All Citations through 2005

(3184 citations)

 Baird, S.F. and C. Girard. 1853. Fishes. Pages 148-152 in Captain L. Sitgreave's Report of an expedition down the Zuni and Colorado Rivers. U.S. Senate Executive Document 59, 32nd Congress, 2nd. Session.
 

 Baird, S.F. and C. Girard. 1853. Descriptions of some new fishes from the River Zuni. Proceedings of the Academy of Natural Sciences of Philadelphia 6:368-369.
 

 Baird, S.F. and C. Girard. 1853. Descriptions of new species of fishes collected by Mr. John H. Clark, on the U.S. and Mexican Boundary Survey, under Lieutenant Colonel Jas D. Graham. Proceedings of the Academy of Natural Sciences of Philadelphia 6:387-390.
 

 Baird, S.F. and C. Girard. 1854. Descriptions of new species of fishes collected in Texas, New Mexico, and Sonora by Mr. John H. Clark, on the U.S. and Mexican Boundary Survey, and in Texas by Captain Stewart Van Vliet, U.S.A, Second Part. Proceedings of the Academy of Natural Sciences of Philadelphia 7:24-29.
 

 Girard, C. 1856. Researches upon the cyprinoid fishes inhabiting the fresh waters of the United States of America; west of the Mississippi Valley, from specimens in the museum of the Smithsonian Institution. Proceedings of the Academy of Natural Sciences of Philadelphia 8:165-213.
 

 Girard, C. 1858. Report upon the fishes collected by the various Pacific Railroad explorations and surveys. Report of the Pacific Railroad Survey 10:1-400.
 

 Girard, C. 1859. Ichthyology of the boundary. Pages 1-85 in Report of the United States and Mexican Boundary Survey, made under the direction of the Secretary of the interior, by W.H. Emory, Major, First Cavalry, and United States Commissioner 3.
 

 Abbott, C.C. 1861. Descriptions of four new species of North American Cyprinidae. Proceedings of the Academy of Natural Sciences of Philadelphia 12(1860):473-474.
 

 Cope, E.D. 1871. Recent reptiles and fishes: report on the reptiles and fishes obtained by the naturalists of the expedition. Pages 432-442 in Preliminary report of the U.S. Geological Survey of Wyoming and portions of contiguous territories in Part IV, Special Reports by F.V. Hayden.
 

 Cope, E.D. and H.C. Yarrow. 1875. Report upon geographical and geological explorations and surveys west of the One Hundredth Meridian. U.S. Government Printing Office, Washington, D.C.
 

 Cope, E.D. and H.C. Yarrow. 1875. Report upon the collections of fishes made in portions of Nevada, Utah, California, New Mexico, and Arizona during the years 1871, 1872, 1873, and 1874. Zoology, pages 635-703.
 

 Jordan, D.S. and C.H. Gilbert. 1883. Synopsis of the fishes of North America. Bulletin of the U.S. National Museum 16:i + lvi, 1-1018.
 

 Jordan, D.S. 1885. Catalogue of the fishes known to inhabit the waters of North America, north of the Tropic of Cancer, with note on species discovered in 1883 and 1884. U.S. Fish and Game Commission.
 

 Kirsch, P.H. 1889. Notes on a collection of fishes obtained in the Gila River at Fort Thomas, Arizona, by Lieutenant W.L. Carpenter, U.S. Army. Proceedings of the U.S. National Museum 11:555-558.
 

 Jordan, D.S. 1891. Report of exploration in Colorado and Utah during the summer of 1889, with an account of the fishes found in each of the river basins examined. Bulletin of the U.S. Fish Commission 9:1-40.
 

 Evermann, B.W. and C. Rutter. 1895. Fishes of the Colorado basin. Bulletin of the U.S. Fish Commission 14:473-486.
 

 Jordan, D.S. and B.W. Evermann. 1896. Fishes of North and Middle America. Bulletin of the U.S. National Museum 47(1):1240.
 

 Gilbert, C.H. and N.B. Scofield. 1898. Notes on a collection of fishes from the Colorado basin in Arizona. Proceedings of the U.S. National Museum 20:487-499.
 

 Chamberlin, F.M. 1904. Notes of fishes collected in Arizona, 1904. U.S. National Museum, Washington, D.C. 70 pages.
 

 Meek, S.E. 1904. Freshwater fishes of Mexico north of the Isthmus of Tehuantepec. Columbian Museum Field Zoological Series 5:i + lxiii, 1-252.
 

 Dellenbaugh, F.S. 1908. Canyon voyage: the narrative of the second Powel expedition down the Green and Colorado Rivers from Wyoming and the explorations on land, in the years 1871 and 1872. The Knickerbocker Press, New York. 277 pages.
 

 Ellis, M.M. 1914. Fishes of Colorado. University of Colorado 11:1-136.
 

 Kolb, E. and E. Kolb. 1914. Experiences in the Grand Canyon. National Geographic Magazine 26(2):99-184.
 

 Snyder, J.O. 1915. Notes on a collection of fishes made by Dr. Edgar A Mearns from rivers tributary to the Gulf of California. Proceedings of the U.S. National Museum 49:573-585.
 

 Evermann, B.W. 1916. Fishes of the Salton Sea. Copeia 1916:61-63.
 

 Thompson, W.F. 1920. Investigation of the Salton Sea. California Fish and Game 6:83-84.
 

 Coleman, G.A. 1929. Biological survey of Salton Sea. California Fish and Game 15:218-227.
 

 Jordan, D.S., B.W. Evermann and H.W. Clark. 1930. Checklist of fishes and fish-like vertebrates of North and Middle America north of the northern boundary of Venezuela and Columbia. U.S. Fish and Game Commission, Part II, Appendix 10:1-670
 

 Woolley, R.R. 1930. Green River and its utilization. U.S. Geological Survey, U.S. Government Printing Office Water Supply Paper, Washington, D.C. 618 pages.
 

 Evermann, B.W. and H.W. Clark. 1931. Distributional list of the species of freshwater fishes known to occur in California. California Department of Fish and Game Fish Bulletin 35:1-67.
 

 Hayes, S.P. 1935. Taxonomical, morphological, and distributional study of the Utah cyprinidae. Master's thesis, Brigham Young University, Provo, Utah. 155 pages.
 

 Tanner, V.M. 1936. Study of the fishes of Utah. Utah Academy of Sciences, Arts and Letters 13:155-184.
 

 Hubbs, C.L. 1940. Speciation of fishes. American Naturalist 74:198-211.
 

 Hubbs, C.L. 1941. Relation of hydrological conditions to speciation in fishes. Pages 182-195 in A symposium on hydrobiology. University of Wisconsin Press, Madison, WI.
 

 Shapovalov, L. 1941. Fresh-water fish fauna of California. Proceedings of the 6th Pacific Scientific Congress 3:441-446.
 

 Moffett, J.W. 1942. Fishery survey of the Colorado River below Boulder Dam. California Fish and Game 28:76-86.
 

 Moffett, J.W. 1943. Preliminary report on the fishery of Lake Mead. Transactions of the 8th North American Wildlife Conference 8:179-186.
 

 Dill, W.A. 1944. Fishery of the lower Colorado River. California Fish and Game 30(3):109-211.
 

 Miller, R.R. 1944. Preliminary checklist of fishes of Grand Canyon National Park. Master's thesis, see letter from Dr. R.R. Miller dated 29th March 1983.
 

 Miller, R.R. 1944. Letter dated 28 August 1944 pertaining to a list of fishes occurring in Grand Canyon National Park. No source.
 

 Miller, R.R. 1945. New cyprinid fish from southern Arizona, and Sonora, Mexico, with the description of a new subgenus of Gila and a review of related species. Copeia 1945:104-110.
 

 Miller, R.R. 1946. Gila sypha a remarkable new species of Cyprinid fish from the Colorado River in Grand Canyon, Arizona. Journal of the Washington Academy of Science 36:409-415.
 

 Miller, R.R. 1946. Need for ichthyological surveys of the major rivers of western North America. Science 104:517-519.
 

 Simon, J.R. 1946. Wyoming fishes. Wyoming Game and Fish Commission Bulletin Number 4, Cheyenne. 129 pages.
 

 Douglas, L.R. 1947. Davis Dam completes storage regulation of the Colorado River below Boulder. Civil Engineering 17:14-17.
 

 Hubbs, C.L. and L.C. Hubbs. 1947. Natural hybrids between two species of catostomid fishes. Papers of the Michigan Academy of Science, Arts and Letters 31:147-167.
 

 American Fisheries Society. 1948. List of common and scientific names of the better known fishes of the United States and Canada. American Fisheries Society Special Publication 1:1-48.
 

 Hubbs, C.L. and R.R. Miller. 1948. Zoological evidence: correlation between fish distribution and hydrographic history in the desert basins of western United States. Contributions of the Scripps Institute of Oceanography, Manuscript Number 36.
 

 Hubbs, C.L. and R.R. Miller. 1948. Two new, relict genera of cyprinid fishes from Nevada. University of Michigan, Museum of Zoology Occasional Papers 507:1-30.
 

 Miller, R.R. 1949. Keys for the identification of the fishes of Arizona. University of Michigan, Museum Zoology 1949:1-8.
 

 Carhart, A.H. 1950. Fishing in the West. MacMillan Company, New York.
 

 Shapovalov, L. and W.A. Dill. 1950. Checklist of the fresh-water and anadromous fishes of California. California Fish and Game 36:382-391.
 

 Jonez, A., R.D. Beland, G. Duncan, J. Hemphill and R.A. Wagner. 1951. Fisheries report of the lower Colorado River. Arizona Game and Fish Commission, Phoenix. 40 pages.
 

 Wallis, O.L. 1951. Status of the fish fauna of the Lake Mead Recreational Area, Arizona-Nevada. Transactions of the American Fisheries Society 80:84-92.
 

 Bailey, C. and R. Alberti. 1952. Lower Yampa River and tributaries study. Federal Aid Proj. F-3-R-1. Colorado Game and Fish Department, Denver. Pages 160-165.
 

 Douglas, P.A. 1952. Notes on the spawning of humpback sucker, Xyrauchen texanus. California Fish and Game 38:149-155.
 

 LaRivers, I. 1952. Key to Nevada fishes. Bulletin of the Southern California Academy of Sciences 51:86-102.
 

 LaRivers, I. and T.J. Trelease. 1952. An annotated checklist of the fishes of Nevada. California Fish and Game 38:113-123.
 

 Miller, R.R. 1952. Bait fishes of the lower Colorado River from Lake Mead, Nevada to Yuma, Arizona with key for their identification. California Fish and Game 38(1):7-32.
 

 Rostland, E. 1952. Freshwater fish and fishing in native North America. University of California Geographic Publications 9:i-x, 1-313.
 

 Beckman, W.C. 1953. Guide to the Fishes of Colorado. Colorado Game and Fish Department, Denver. 110 pages.
 

 Beland, R.D. 1953. Effect of channelization on the lower Colorado River. California Fish and Game 39:137-139.
 

 Hubbs, C.L. and R.R. Miller. 1953. Hybridization in nature between the genera Catostomus and Xyrauchen. Papers of the Michigan Academy of Science, Arts and Letters 38:207-233.
 

 Sigler, W.F. 1953. Collection and interpretation of fish life history data. Utah State Agriculture College, Logan. 46 pages.
 

 Beland, R.D. 1954. Report on the fishery of the lower Colorado River, the Lake Havasu fishery. Inland Fisheries Administrative report Number 54-17. California Department of Fish and Game, Sacramento. 43 pages.
 

 Hemphill, J.E. 1954. Toxaphene as a fish toxin. Progressive Fish Culturist 16:41-42.
 

 Hubbs, C.L. 1954. Establishment of a forage fish, the red shiner (Notropsis lutrensis), in the lower Colorado River system. California Game and Fish 40(3):287-294.
 

 Jonez, A. and R.C. Sumner. 1954. Lakes Mead and Mohave investigations, a comparative study of an established reservoir as related to a newly created impoundment. Federal Aid Project F-1-R. Nevada Fish and Game Commission, Carson City. 186 pages.
 

 Lemons, D.B. 1954. Field survey of western Colorado streams and lakes. Colorado Department of Fish and Game, Denver, Colorado. 29 pages.
 

 Wagner, R.A. 1954. Basic survey of the Verde River and its on-stream impoundments. Federal Aid to Fisheries Restoration, Project Completion report F-2-R-1, 9-12. Arizona Game and Fish Department, Phoenix.
 

 Winn, H.E. and R.R. Miller 1954. Native postlarval fishes of the lower Colorado River basin, with a key to their identification. California Fish and Game 40(3)273-285.
 

 Miller, R.R. 1955. Fish remains from archeological sites in the lower Colorado River basin, Arizona. Papers of the Michigan Academy of Science, Arts and Letters 40(12):125-136.
 

 Moeller, K.L., L.M. Malinowski, L.M. and J.F. Hoffecker. 1955. Analysis of potential impacts of Flaming Gorge Dam hydropower operations on archaeological sites. Argonne National Laboratory, Illinois. 99 pages.
 

 Wagner, R.A. 1955. Basic survey of Lake Mohave completion report, project F-2-R-1. Arizona Game and Fish Department, Wildlife Restoration Division, Phoenix. 16 pages.
 

 Wallace, W. 1955. Mohave fishing equipment and methods. Anthropological Quarterly 3:87-94.
 

 Wallis, O.L. 1955. Listing of collection of humpback chubs from Spencer Creek. In R.R. Miller, ed. University of Michigan Collection Records of Humpback Chubs and Unpublished Field Notes Pertaining to the Collection of Humpback Chubs.
 

 Koster, W.J. 1957. Guide to the Fishes of New Mexico. University of New Mexico Press, Albuquerque. vii + 116 pages.
 

 Moore, G.A. 1957. Fishes. Part II. Pages 21-165 in W.F. Blair, A.P. Blair, P. Brodkorb, F.R. Cagle and G.F. Moore, eds. Vertebrates of the United States. Second edition. McGraw Hill Book Company, New York.
 

 Stewart, K.M. 1957. Mohave fishing. Masterkey 31:198-203.
 

 Miller, R.R. 1958. Origin and affinities of the freshwater fish fauna of western North America. Pages 187-222 in C.L. Hubbs, ed. Zoogeography. Publication 51, American Association for the Advancement of Science, Washington, D.C.
 

 Shapovalov, L., W.A. Dill and A.J. Cordone. 1959. Revised check list of the fresh-water and anadromous fishes of California. California Fish and Game 45(3):159-180.
 

 Smith, G.R. 1959. Annotated checklist of fishes of Glen Canyon. In A.M. Woodbury, ed. Ecological Studies of the Flora and Fauna in Glen Canyon. University of Utah Press, Salt Lake City.
 

 Smith, G.R., G.G. Musser and D.B. McDonald. 1959. Appendix A, aquatic survey tabulation. In A.M. Woodbury, ed. Ecological Studies of the Flora and Fauna in Glen Canyon. University of Utah Press, Salt Lake City.
 

 Woodbury, A.M. 1959. Ecological studies of the flora and fauna in Glen Canyon. University of Utah Press, Salt Lake City. 276 pages.
 

 Bosley, C.E. 1960. Pre-impoundment study of the Flaming Gorge Reservoir Wyoming Game and Fish Commission, Cheyenne. Fishery Technical report. Federal Aid Project F-25-R-l. Wyoming Game and Fish Commission, Cheyenne. 81 pages.
 

 Dotson, P. 1960. Notes on diseases, parasites, food, and condition of Green River fishes, 1959. Pages 169-175 in A.M. Woodbury, ed. Ecological Studies of the Flora and Fauna of Flaming Gorge Reservoir Basin, Utah and Wyoming. University of Utah Anthropological Paper 48, Salt Lake City.
 

 Flowers, S., H.H. Hall, G.T. Groves, D.M. Rees, B.C. Ho, G.F. Edmunds, G.G. Muser, J. Musser, J. Sessions, A.R. Gaufin, A.R. Gaufin, G.R. Smith, P. Dotson, J.M. Legler, C.M. White, W.H. Behle, S.D. Durrant and N.K. Dean. 1960. Ecological studies of the flora and fauna of Flaming Gorge Reservoir basin, Utah and Wyoming. University of Utah, Anthropological Papers No. 48, Upper Colorado River Basin Series No 3, University of Utah Press, Salt Lake City. 243 pages.
 

 Follett, W.A. 1960. Freshwater fishes - their origins and affinities. Pages 212-232. The biogeography of Baja California and adjacent seas. Systematic Zoology.
 

 Gaufin, A.R., G.R. Smith and P. Dotson. 1960. Aquatic survey of the Green River and tributaries within the Flaming Gorge Reservoir basin, appendix A. Pages 139-162 in A.M. Woodbury, ed. Ecological Studies of the Flora and Fauna of Flaming Gorge Reservoir Basin, Utah and Wyoming. University of Utah Press, Salt Lake City.
 

 Koster, W.J. 1960. Ptychocheilus lucius (Cyprinidae) in the San Juan River, New Mexico. Southwestern Naturalist 5(3):174-175.
 

 Lowe, C.H., Jr. 1960. Fishes. Pages 171-172 in J.L Cross, E.H. Shaw and K. Scheifele. eds. Arizona, its People and Resources, University of Arizona Press, Tucson.
 

 McDonald, D.B. and P.A. Dotson. 1960. Fishery investigations of the Grand Canyon and Flaming Gorge impoundment areas. Utah Department of Fish and Game, Information Bulletin 60-3:1-70.
 

 McDonald, D.B. and P.A. Dotson. 1960. Federal aid in fish restoration investigations of specific problems in Utah's fishery. Job No. 5 preimpoundment investigations of the Green River and Colorado River developments. Utah Department of Fish and Game. 6 pages.
 

 McDonald, D.B. and P.A. Dotson. 1960. Pre-impoundment investigations of the Green River and Colorado River developments. Utah Department of Game and Fish, Job No. 5, Department Bulletin No 60-3. 70 pages.
 

 Miller, R.R. and C.L. Hubbs. 1960. Spiny-rayed cyprinid fishes (Plagopterini) of the Colorado River system in western North America. University of Michigan, Museum of Zoology Miscellaneous Publications 115:1-39.
 

 Smith, G.R. 1960. Annotated list of fish of the Flaming Gorge Reservoir basin, 1959. Pages 163-168 in A.M. Woodbury, ed. Ecological Studies of the Flora and Fauna of Flaming Gorge Reservoir Basin, Utah and Wyoming. University of Utah Press, Salt Lake City.
 

 Branson, B.A. 1961. Obervations on the distribution of nuptual tubercles in some catostomid fishes. Transactions of the Kansas Academy of Sciences 64:360-372.
 

 Gehlbach, F.R. and R.R. Miller. 1961. Fishes from archaeological sites in Northern New Mexico. Southwestern Naturalist 6:2-18.
 

 Miller, R.R. 1961. Speciation rates in some freshwater fishes of western North America. Pages 537-560 in W.F. Blair, ed. Vertebrate Speciation. University of Texas Press, Austin.
 

 Miller, R.R. 1961. Man and the changing fish fauna of the American southwest. Papers of the Michigan Academy of Science, Arts and Letters 46:365-404.
 

 Upper Colorado River Commission. 1961. Thirteenth annual report of the Upper Colorado River Commission. Upper Colorado River Commission, Salt Lake City, Utah. Pages 40-43.
 

 Uyeno, T. 1961. Osteology and phylogeny of the American cyprinid fishes allied to the genus Gila. Doctoral dissertation, University of Michigan, Ann Arbor. 102 pages.
 

 Walker, B.W., R.R. Whitney and G.W. Barlow. 1961. Fishes of the Salton Sea. Pages 77-91 in B.W. Walker, ed. The ecology of the Salton Sea, California, in relation to the sport fishery. California Department of Fish and Game, Fish Bulletin 113.
 

 Anonymous. 1962. Mission accomplished. Good fishing ahead. Wyoming Wildlife 26(11):12-17.
 

 Azevedo, R. 1962. Fishery management report: Green River Survey, 18 May 1962. 4 pages.
 

 Azevedo, R. 1962. Log of numbers of fish collected before and after eradication, Green River 7 December 1962. 4 pages.
 

 Azevedo, R. 1962. Fishery management report: Dinosaur National Monument - Green River fish collections, 9 November 1962. 8 pages.
 

 Hagan, H.K. 1962. Preliminary survey of the vertebrate and invertebrate faunas of Dinosaur National Monument. Colorado State University, Fort Collins. 17 pages.
 

 LaRivers, I. 1962. Fish and fisheries of Nevada. Pages 387-394 in Nevada State Fish and Game Commission. State Printing Office, Carson City.
 

 Upper Colorado River Commission. 1962. Fourteenth annual report of the Upper Colorado River Commission. Upper Colorado River Commission, Salt Lake City, Utah.
 

 Andriano, D. 1963. Resume of the detoxification phase of the Green River rehabilitation project based on information presented at the 1963 session of the technical committee of the Colorado River management committee. 2 pages.
 

 Binns, N.A., F. Eisermann, F.W. Jackson, A.F. Regenthal and R. Stone. 1963. Planning, operation and analysis of the Green River fish control project. Utah State Department of Fish and Game and Wyoming Game and Fish Department. 83 pages.
 

 Franklin, D.R. 1963. Fishery management report, 11-13 Oct 1963 Green River, Colorado and Utah. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 4 pages.
 

 Hagan, H.K. and J.E. Banks. 1963. An ecological and limnological study of the Green River in Dinosaur National Monument. National Park Service and Colorado State University, Fort Collins. 31 pages.
 

 Hagen, H.K. 1963. Progress report on ecological and limnological studies of the Green River in Dinosaur National Monument. Colorado State University, Fort Collins. 5 pages.
 

 Miller, R.R. 1963. Is our native underwater life worth saving? National Parks Conservation Magazine 37(188):4-9.
 

 Myers, G.S. 1963. Fresh-water fishes. Pacific Discovery 16(4):36-39.
 

 Sigler, W.F. and R.R. Miller. 1963. Fishes of Utah. Utah Division of Wildlife, Salt Lake City. 203 pages.
 

 Sport Fishing Institute. 1963. Dominating influence of impoundment. Sport Fishing Institute Bulletin 139:1-2.
 

 Stroud, R.H. 1963. Green River humpbacks. Sport Fishing Institute Bulletin 141:7.
 

 Upper Colorado River Commission. 1963. Fifteenth annual report of the upper Colorado River Commission. Upper Colorado River Commission, Salt Lake City, Utah.
 

 Woodbury, A.M. 1963. Studies of biota in Dinosaur National Monument, Utah and Colorado. University of Utah, Division of Biological Science Miscellaneous Papers 1:1-77.
 

 Banks, J.L. 1964. Fish species distribution in Dinosaur National Monument during 1961-1962. Master's thesis, Colorado State University, Fort Collins. 96 pages.
 

 Frost, H.H., J.R. Murphy, J.H. Wing and S.S. Taba. 1964. Limnological studies of the Colorado River in the vicinity of Moab, Utah. Second Progress report. Brigham Young University Department of Zoology and Chemistry, Provo.
 

 Miller, R.R. 1964. Fishes of Dinosaur. Naturalist 15(2):24-29.
 

 Miller, R.R. 1964. Extinct, rare, and endangered American freshwater fishes. Proceedings of the 26th International Congress of Zoology 8:4-16.
 

 Miller, R.R. and C.H. Lowe. 1964. Fishes of Arizona. Part 2. Pages 133-151 In C.H. Lowe, ed. The Vertebrates of Arizona. The University of Arizona Press, Tucson.
 

 Morgan, D.L., ed. 1964. West of William H. Ashley. The Old West Publishing Company, Denver, Colorado. 341 pages.
 

 Stone, J.L. 1964. Limnological study of Glen Canyon tailwater area of Colorado River. Arizona Game and Fish Department, Phoenix. 10 pages.
 

 Upper Colorado River Commission. 1964. Upper Colorado River Commission sixteenth annual report. Upper Colorado River Commission, Salt Lake City, Utah.
 

 Utah State Department of Fish and Game.  1964. Reservoir fisheries investigation: Glen Canyon Unit, upper Colorado River Storage Project. Annual Progress report 1. Utah State Department of Fish and Game, Salt Lake City. 30 pages.
 

 Coon, K.L. 1965. Some biological observations on the channel catfish, Ictalurus punctatus (Rafinesque), in a polluted western river. Master's thesis, Utah State University, Logan.
 

 Miller, R.R. 1965. Quanternary freshwater fishes of North America. Pages 569-581 in H.E. Wright and D.G. Frey, eds. The Quaternary of the United States. Princeton University Press, Princeton, New Jersey.
 

 Minckley, W.L. 1965. Native fishes as natural resources. Committee on Desert and Arid Zones Research, Southwestern and Rocky Mountain Division, American Association for the Advancement of Sciences. J.L. Gardner, ed. Native plants and animals as resources in arid lands of the southwestern United States. Contribution number 8. Desert Research Institute, Nevada Southern University, Las Vegas.
 

 Stone, R. and K. Miller. 1965. Lake Powell post-impoundment investigations. Progress report 3 (Glen Canyon Unit, Colorado River Storage Project). Utah Division of Wildlife, Salt Lake City. 56 pages.
 

 Stone, R., L. Fields and K. Miller. 1965. Lake Powell post-impoundment investigations. Progress report 2 (Glen Canyon Unit, Colorado River Storage Project). Utah Division of Wildlife, Salt Lake City. 39 pages.
 

 Taba, S.S., J.R. Murphy and H.H. Frost. 1965. Notes on the fishes of the Colorado River near Moab, Utah. Proceedings of the Utah Academy of Science, Arts and Letters 42(11):280-283.
 

 Upper Colorado River Commission. 1965. Upper Colorado River Commission seventeenth annual report. Upper Colorado River Commission, Salt Lake City, Utah.
 

 Uyeno, T. and R.R. Miller. 1965. Middle Pliocene cyprinid fishes from the Bidahochi Formation, Arizona. Copeia 1965:28-41.
 

 Binns, N.A. 1966. Effects of rotenone treatment on the fauna of the Green River, Wyoming. Oregon State University. 153 pages.
 

 Branson, B.A. 1966. Some rare and vanishing fishes Bioscience 16:611-613.
 

 Branson, B.A. and C.J. McCoy, Jr. 1966. Observations on breeding tubercles in Xyrauchen texanus (Abbott). Southwestern Naturalist 11(2):301.
 

 Branson, B.A., M.E. Sisk and C.J. McCoy, Jr. 1966. Ptychocheilus lucius from the Salt River, Arizona. Southwestern Naturalist 11:300.
 

 Koehn, R.K. 1966. Serum haptoglobins in some North American catostomid fishes. Comparative Biochemistry and Physiology 17(1):349-352 .
 

 Navarre, R.J. 1966. Fishery management program: Black and Salt Rivers, Fort Apache and San Carlos Apache Indian Reservations, Arizona from January 21, 1966 - February 3, 1966. Progress report. 6 pages.
 

 Sigler, W.F., W.T. Helm, J.W. Angelovic, D.W. Linn and S.S. Martine. 1966. Effects of uranium mill wastes on stream biota. Utah Agricultural Experiment Station 12(462):1-76.
 

 Smith, G.R. 1966. Distribution and evolution of the North American catostomid fishes of the subgenus Pantosteus, genus Catostomus. University of Michigan, Museum of Zoology, Ann Arbor. 132 pages.
 

 Stone, J.L. 1966. Tailwater fisheries investigations, creel census and limnological study of the Colorado River below Glen Canyon Dam, 1 July 1965-30 June 1966. Arizona Game and Fish Department, Phoenix. 26 pages.
 

 U.S. Department of the Interior. 1966. Rare and endangered fish and wildlife of the United States. U.S. Bureau of Sport Fisheries and Wildlife Resources, Publication 34. July 1966.
 

 Upper Colorado River Commission. 1966. Eighteenth annual report of the upper Colorado River Commission.  Upper Colorado River Commission, Salt Lake City, Utah.
 

 Binns, N.A. 1967. Effects of rotenone treatment on the fauna of the Green River, Wyoming. Wyoming Game and Fish Commission, Fishery Research Bulletin (1):1–114.
 

 Kinnear, B.S. and R.E. Vincent. 1967. Fishes and fish habitats in Black Canyon of the Gunnison National Monument.  Colorado State University, Fort Collins. 45 pages.
 

 Kramer, R.H. 1967. Green River fishes and invertebrates. Utah Cooperative Fishery Research Unit, Logan.
 

 Pearson, W.D. 1967. Distribution of macroinvertebrates in the Green River below Flaming Gorge Dam, 1965-1973. Utah State University, Fishery Biology, Logan. 105 pages.
 

 Stone, J.L. and A.B. Queenan. 1967. Tailwater fisheries investigations, creel census and limnological study of the Colorado River below Glen Canyon Dam, 1 July 1966-30 June 1967. Arizona Game and Fish Department, Phoenix. 33 pages.
 

 U.S. Fish and Wildlife Service. 1967. Notice of listing of endangered species:humpback chub. Federal Register 32(48).
 

 U.S. Fish and Wildlife Service. 1967. No title. Federal Register 32:4001.
 

 Vanicek, C.D. 1967. Ecological studies of native Green River fishes below Flaming Gorge Dam, 1964-1966. Doctoral dissertation, Utah State University, Logan. 125 pages.
 

 Behnke, R.J.  1968. Indigenous trouts and the fishes of Colorado. Colorado Fisheries Research Review 5:41.
 

 Cole, G.A. 1968. Desert limnology. Pages 423-485 in G.W. Brown, Jr. ed. Desert Biology, Volume I, Academic Press, Inc.
 

 Colorado Cooperative Fishery Unit. 1968. Annotated list of fishes native to the Colorado River Basin. Colorado State University, Colorado Cooperative Fishery Unit, Fort Collins. 12 pages.
 

 Deacon, J.E. 1968. Unpublished field notes pertaining to humpback chub capture. 28 pages.
 

 Deacon, J.E. 1968. Endangered nongame fishes of the west: causes, prospects, and importance. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Commissioners 48:534-549.
 

 Holden, P.B. 1968. Systematic studies of the genus Gila (Cyprinidae) of the Colorado River basin. Master's thesis, Utah State University, Logan. 68 pages.
 

 James, A.E. 1968. Lernaea (Copepod) infection of three native fishes from the Salt River basin, Arizona. Master’s thesis, Arizona State University, Tempe.
 

 Minckley, W.L. and J.E. Deacon. 1968. Southwest fishes and the enigma of endangered species. Science 159:1424-1432.
 

 Minckley, W.L. and N.T. Alger. 1968. Fish remains from an archaeological site along the Verde River, Yavapai County, Arizona. Plateau 40:91-97.
 

 Pearson, W.D., R.H. Kramer and D.R. Franklin. 1968. Macroinvertebrates in the Green River Below Flaming Gorge Dam, 1964-65 and 1967. Utah Academy of Sciences, Arts and Letters 45(1):148-167.
 

 U.S. Department of the Interior. 1968. Report on biological studies of selected reaches and tributaries of the Colorado River. PB-228 209. U.S. Department of the Interior, Federal Water Pollution Control Administration, Technical Advisory and Investigations Branch, Cincinnati, Ohio. 166 pages.
 

 Leopold, L.B. 1969. Colorado River Region and John Wesley Powell. U.S. Government Printing Office, Washington. 145 + pages.
 

 Patten, B.G. and D.T. Rodman. 1969. Reproductive behavior of northern squawfish (P. oregonensis). Transactions of the American Fisheries Society 98:108-111.
 

 Rinne, J.N. 1969. Cyprinid fishes of the genus Gila from the lower Colorado River basin. Master's thesis, Arizona State University, Tempe. 77 pages.
 

 Stone, J.L. and N.L. Rothbun. 1969. Tailwater fisheries investigations, creel census and limnological study of the Colorado River below Glen Canyon Dam 1 July 1967-30 June 1968. Arizona Game and Fish Department, Phoenix. 35 pages.
 

 Upper Colorado River Commission. 1969. Twenty-first annual report of the Upper Colorado River Commission. Upper Colorado River Commission, Salt Lake City, Utah.
 

 Utah State Department of Fish and Game.  1969. Glen Canyon Reservoir post-impoundment investigation. Annual Progress report 6. Utah State Division of Fish and Game, Salt Lake City. 16 pages.
 

 Vanicek, C.D. and R.H. Kramer. 1969. Life history of the Colorado squawfish, Ptychocheilus lucius, and the Gila chub Gila robusta, in the Green River in Dinosaur National Monument, 1964-1966. Transactions of the American Fisheries Society 98(2):193-208.
 

 Baxter, C.T. and J.R. Simon. 1970. Fishes of Wyoming. Wyoming Game and Fish Department Bulletin 4:1-168.
 

 Holden, P.B. and C.B. Stalnaker. 1970. Systematic studies of the cyprinid genus, Gila, in the upper Colorado River basin. Copeia 3:409-420.
 

 Lennon, R.E. and B.L. Berger. 1970. Resume on field applications of antimycin A to control fish. U.S. Fish and Wildlife Service, Investigations in Fish Control 5(40):1-19.
 

 May, B.E. 1970. Biota and chemistry of Piceance Creek. Master's thesis, Colorado State University, Fort Collins.
 

 Rathbun, N.L. 1970. Tailwater fisheries investigations, creel census and limnological studies of the Colorado River below Glen Canyon Dam, 1 July 1969 - 30 June 1970. Arizona Game and Fish Department, Phoenix. 46 pages.
 

 Rinne, J.N. and W.L. Minckley. 1970. Native fishes, part III: chubs. Wildlife Views 17(5)12-19.
 

 Shentyakova, L.F., et al. 1970. Effect of an alternating electric current on fishes and aquatic invertebrates. Journal of Ichthyology 10(3):363-372.
 

 Vanicek, C.D., R.H. Kramer and D.R. Franklin. 1970. Distribution of Green River fishes in Utah and Colorado following closure of Flaming Gorge Dam. Southwestern Naturalist 14(3):297-315.
 

 Dufek, R., R.W. Wiley, B. Nielson and J.D. Varley. 1971. Green River and Flaming Gorge Reservoir post-impoundment investigations. Progress report no. 8. Joint report of the Utah State Division of Wildlife Resources, Salt Lake City, and Wyoming Game and Fish Commission, Cheyenne. 31 pages.
 

 Everhart, W.H. and W.R. Seaman. 1971. Fishes of Colorado. Colorado Game, Fish and Parks Division, Denver. 75 pages.
 

 Lockard, D.V., N.M. Wood and R.C. Allan.  1971. Statewide fisheries management: vulnerability of game fish to spearfishing, Lake Mead. Nevada Fish and Game Commission. 18 pages.
 

 Minckley, W.L. 1971. Keys to native and introduced fishes of Arizona. Journal of the Arizona Academy of Science 6:183-188.
 

 Ponder, G. 1971. Senator Wash Reservoir survey - December 22-23, 1970. R.F. Management. California Department of Fish and Game, Blythe.
 

 Stone, J.L. and J.R. Bruce. 1971. Tailwater fisheries investigations, creel census and biological study of the Colorado River below Glen Canyon Dam 1 July 1970-30 June 1971. Arizona Game and Fish Department, Phoenix. 31 pages.
 

 Varley, J.D., A.F. Regenthal, B. Nielson, R.W. Wiley, F.W. Jackson and D. Dufek. 1971. Green River and Flaming Gorge Reservoir post-impoundment investigations. Progress report no 7. Colorado River Storage Project, Flaming Gorge Unit. 49 pages.
 

 Buckner, C.D. 1972. An intestinal cestode of the Colorado River squawfish, Ptychocheilus lucius girard. Master’s thesis, Arizona State University, Tempe.
 

 Klima, E.F. 1972. Voltage and pulse rates for inducing electrotaxis in twelve coastal pelagic and bottom fishes. Journal of the Fisheries Research Board of Canada 29(11):1605-1614.
 

 Leach, H.R. and L.D. Fisk. 1972. At the crossroads. California Department of Fish and Game, Sacramento. 99 pages.
 

 Miller, R.R. 1972. Threatened freshwater fishes of the United States. Transactions of the American Fisheries Society 101:239-252.
 

 Miller, R.R. and G.R. Smith. 1972. Fishes collected on the Grand Canyon survey, Lee's Ferry to Diamond Creek, August, 1968. 2 pages.
 

 Behnke, R.J. 1973. Status of Gila cypha. Colorado State University, Fort Collins. 5 pages.
 

 Behnke, R.J. 1973. Status of Gila elegans. Colorado State University, Fort Collins. 8 pages.
 

 Behnke, R.J. 1973. Colorado squawfish, Ptychocheilus lucius. U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Behnke, R.J. 1973. Humpback sucker, Xyrauchen texanus. U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Branson, B.A. 1973. Fishes of our arid lands. National Parks Conservation Magazine 47(11):22-24.
 

 California Department of Fish and Game. 1973. Senator Wash Reservoir historic data: bottom sampling. California Department of Fish and Game. 1 page.
 

 California Department of Fish and Game. 1973. Senator Wash Reservoir historic data: water quality survey. California Department of Fish and Game. 1 page.
 

 California Department of Fish and Game. 1973. Senator Wash Reservoir historic data: gill net survey. California Department of Fish and Game. 3 pages.
 

 Gibert, S. 1973. Water policy and development of the Colorado River. 14 pages.
 

 Holden, P.B. 1973. Distribution, abundance and life history of the fishes of the upper Colorado River basin. Doctoral dissertation, Utah State University, Logan. 59 pages.
 

 Minckley, W.L. 1973. Fishes of Arizona. Arizona Game and Fish Department, Phoenix. 293 pages.
 

 Phenicie, C.K. and J.R. Lyons. 1973. Tactical planning in fish and wildlife management and research. Resource publication 123. U.S. Bureau of Sport Fisheries and Wildlife (U.S. Fish and Wildlife Service), Washington, D.C. 19 pages.
 

 Singer, M.A. 1973. Ecology of sport fish in two dredged backwaters of the lower Colorado River. University of Arizona, Biological Science, Tucson. 57 pages.
 

 Stalnaker, C.B. and P.B. Holden. 1973. Changes in native fish distribution in the Green River system, Utah-Colorado. Proceedings of the Utah Academy of Science, Arts and Letters 50(1):25-32.
 

 U.S. Fish and Wildlife Service. 1973. Threatened wildlife of the United States. Bureau of Sport Fisheries and Wildlife, Washington, D.C. 289 pages.
 

 United States Ninety-Third Congress.  1973. Endangered Species Act of 1973. Public law 93-205. Senate and House of Representatives of the United States of America Congress, 93rd. Congress, Public Law 93-205. December 28, 1973.
 

 California Department of Fish and Game. 1974. At the crossroads 1974: a report on California's endangered and rare fish and wildlife. California Department of Fish and Game, Sacramento. 112 pages.
 

 California Department of Fish and Game. 1974. Inventory of the fish and wildlife resources, recreational consumptive use, and habitat in and adjacent to the upper 49 miles and ponded areas of the Coachella canal. California Department of Fish and Game.
 

 Danyulite, G.P. and Y.M. Maksimov. 1974. Characteristics of the optomotor reaction of fishes acted upon by a pulsed electric field. Journal of Ichthyology 14(4):604-607.
 

 Deacon, J.E. and W.L. Minckley. 1974. Desert fishes. Desert Biology 2(3):385-456.
 

 Dolan, R., A. Howard, et al. 1974. Man's impact on the Colorado River in the Grand Canyon. American Scientist 62(4):392-401.
 

 Holden, P., W. White, G. Somerville, D. Duff, R. Gervais and S. Gloss. 1974. Threatened fish of Utah. Proceedings of the Utah Academy of Sciences, Arts and Letters 51(2):46-65.
 

 Holden, P.B., W. White, G. Somerville, D. Duff, R. Gervais and S. Gloss. 1974. Threatened fishes of Utah. Proceedings of the Utah Academy of Science, Arts and Letters 51(2):46-64.
 

 Kidd, G.T. 1974. Preliminary report on endangered and threatened endemic warmwater species of fish in western Colorado rivers. Federal aid project F-30-R-11. Colorado Division of Wildlife, Denver. 16 pages.
 

 Parish, R.B. 1974. Statewide fisheries investigations: status of rare native fish in New Mexico. New Mexico Department of Game and Fish. 19 pages.
 

 Pister, E.P. 1974. Desert fishes and their habitats. Transactions of the American Fisheries Society 103(3):531–540.
 

 Toney, D.P. 1974. Observations on the propagation and rearing of two endangered fish species in a hatchery environment. Proceedings of the Western Association of State Game and Fish Committees 54:252-259.
 

 U.S. Department of the Interior. 1974. Report on water for energy in the upper Colorado River basin. U.S. Department of the Interior, Water for Energy Management Team, Washington, D.C. 71 pages.
 

 Clemmer, G.H. 1975. Unpublished field notes pertaining to humpback chub capture. 31 pages.
 

 Connell, J.H. 1975. Some mechanisms producing structure in natural communities: a model and evidence from field experiments. Pages 460-490 in M.L. Cody and J.M. Diamond, eds. Ecology and Evolution of Communities. Belknap Press, Cambridge, Massachusetts.
 

 Conway, M. 1975. New Mexico's endangered fishes. New Mexico Wildlife. Pages 18-24.
 

 Cross, J.N. 1975. Ecological distribution of the fishes of the Virgin River (Utah, Arizona, Nevada). Master's thesis, University of Nevada, Las Vegas. 187 pages.
 

 Gustafson, E. 1975. Early development, adult sexual dimorphism, and fecundity of the razorback sucker, Xyrauchen texanus (Abbott). Final report. Lower Colorado River Basin Research Laboratory, Arizona State University, Tempe. 43 pages.
 

 Gustafson, E.S. 1975. Capture, disposition, and status of adult razorback suckers from Lake Mohave, Arizona. Arizona State University, Tempe.
 

 Holden, P.B. and C.B. Stalnaker. 1975. Distribution of fishes in the Dolores and Yampa River systems of the upper Colorado basin. Southwestern Naturalist 19(4):403-412.
 

 Holden, P.B. and C.B. Stalnaker. 1975. Distribution and abundance of mainstream fishes of the Middle and upper Colorado River basins, 1967-1973. Transactions of the American Fisheries Society 104:217-231.
 

 Holden, P.B. and J.R. Irvine. 1975. Ecological survey and analysis of the aquatic and riparian fauna and flora of Escalante Canyon, Utah. Contract no. CS 12004 B034. No source.
 

 McAda, C.W. and K. Seethaler. 1975. Investigations of the movements and ecological requirements of the Colorado squawfish and humpback sucker in the Yampa and Upper Green Rivers June 1, 1974 -October 31, 1975. Progress report. Utah State University, Utah Cooperative Fishery Research Unit, Logan. 38 pages.
 

 Miller, R.R. 1975. University of Michigan collection records of humpback chubs and unpublished field notes pertaining to humpback chub capture. 37 pages.
 

 Miller, R.R. 1975. Report on fishes of the Colorado River drainage between Lee's Ferry and Surprise Canyon, Arizona. Unpublished Colorado River Research Report, Grand Canyon National Park, Arizona. 4 pages
 

 Minckley, C.O. 1975. Unpublished field notes pertaining to humpback chub capture. 2 pages.
 

 Minckley, C.O. and D.W. Blinn. 1975. Summer distribution and reproductive status of fish of the Colorado River in Grand Canyon National Park and vicinity, 1975. Technical report Number 14, Grand Canyon National Park. Colorado River Research Program, Contribution Number 42, Publication Number 267732.
 

 Minckley, W.L. 1975. An inventory of the aquatic biology of the Colorado River: III. Palo Verde Division in January-April 1975. Arizona State University, Tempe. 13 pages.
 

 Minckley, W.L. 1975. An inventory of the aquatic biology of the Colorado River: I. Parker I and II Division in June-July 1974. Arizona State University, Tempe. 29 pages.
 

 Minckley, W.L. 1975. An inventory of the aquatic biology of the Colorado River: IV. Havasu Division. Interim report on the lower Moovalya Lake and associated aquatic environments. Arizona State University, Tempe. 29 pages.
 

 Minckley, W.L. 1975. An inventory of the aquatic biology of the Colorado River: II. Limnotrophe Division and other aquatic habitats of the Yuma Valley in August-September 1974. Arizona State University, Tempe. 46 pages.
 

 Minckley, W.L. 1975. An inventory of the aquatic biology of the Colorado River: III. Palo Verde Division in January-April 1975. An addendum report on the smallmouth bass. Arizona State University, Tempe. 7 pages.
 

 Ponder, G. 1975. Inventory of fish species and the aquatic environment of sixteen backwaters of the Imperial Division of the Colorado River. Inland Fishery Administration report number 75-3. California Department of Fish and Game, Blythe. 87 pages.
 

 Rinne, J.N. 1975. Hydrology of the Salt River and its reservoirs, central Arizona. Arizona Academy of Science 10:25-86.
 

 Sealing, C., G.B. Kidd, B. Burdick, R. Sutton, K. McMaster and M. Japhet. 1975. Regional fishery inventory: northwest region lake and stream studies. Project number F-030-R-11/ Job 04/Final. Colorado Division of Wildlife. 31 pages.
 

 Smith, G.R. 1975. Fishes of the Pliocene Glenns Ferry Formation, southwest Idaho. University of Michigan, Papers on Paleontology 14:1-68.
 

 State of New Mexico. 1975. Rule 1975-01-24. State of New Mexico.
 

 Tash, J. 1975. Fisheries potential of dredged backwaters along the lower Colorado River. Final report. Arizona Cooperative Fishery Research Unit, University of Arizona, Tucson. 89 pages.
 

 Wick, E.J. 1975. Gila cypha, the humpback chub: can it be saved or is it doomed to extinction? A report on the possible find of a remnant population of Gila cypha, a rare and endangered species of the order Cyriniformes, family Cyprinidae. Colorado State University, Fort Collins. 12 pages.
 

 Wildlife Habitat Management Staff Group. 1975. Endangered and unique fish and wildlife of the southwestern national forests. Page 143. U.S. Department of Agriculture Forest Service, Southwestern Region.
 

 Clemmer, G.H. 1976. Unpublished field notes pertaining to humpback chub capture. 18 pages.
 

 Cole, G.A. and D.M. Kubly. 1976. Limnologic studies on the Colorado River from Lees Ferry to Diamond Creek. Colorado River Research Program final report. Technical report no. 8. Grand Canyon National Park. 88 pages.
 

 Croft, J. and R. Heckmann. 1976. Trichodina, a ciliated protozoan ectoparasitic to Utah fishes. Proceedings of the Utah Academy of Sciences, Arts and Letters 53(1):107-129.
 

 Cross, J.N. 1976. Status of the native fish fauna of the Moapa River (Clark County, Nevada). Transactions of the American Fisheries Society 105(4):503- 508.
 

 Deacon, J.E. and J.R. Baker. 1976. Aquatic investigation on the Colorado River from Separation Canyon to the Grand Cliffs, Grand Canyon National Park. Colorado River Research Series, contribution no. 15. Technical report no. 15. Grand Canyon National Park. 26 pages.
 

 Deacon, J.E. and M.S. Deacon. 1976. Research on endangered fishes in the National Parks with special emphasis on the Devils Hole pupfish. Pages 9-19 in R.M. Linn, ed. Proceedings of the First Conference on Scientific Research in the National Parks, U.S. National Park Service Transactions and Proceedings Series 5. Washington, D.C.
 

 Hepworth, D.K., A.W. Gustaveson and R. Biggins. 1976. Lake Powell post-impoundment investigations. Annual performance report 1975. Utah Division of Wildlife Research Publication 76-21, Salt Lake City. 36 pages.
 

 Johnson, J.E. 1976. Status of endangered and threatened fish species in Colorado. U.S. Bureau of Land Management, Technical Note 280. 29 pages.
 

 Marshall, C.W. 1976. Inventory of fish species and aquatic environment of 15 backwaters of the Topock Gorge Division of the Colorado River. Inland Fisheries Administration report 76-4. California Department of Fish and Game. 98 pages.
 

 Minckley, C.O. and D.W. Blinn. 1976. Summer distribution and reproductive status of fish of the Colorado River and its tributaries in Grand Canyon National park and vicinity, 1975. Final report National Park Service. Northern Arizona University, Department of Biology, Flagstaff, Colorado River Research Series Contribution (Grand Canyon National Park, Grand Canyon, Arizona). 42:1-17.
 

 Minckley, W.L. 1976. Appendix 8, Fishes. In E.W. Haury, ed. The Hohokam Desert Farmers and Craftsmen: Excavations at Snaketown 1964-1965. University of Arizona Press, Tucson.
 

 Moyle, P.B. 1976. Inland Fishes of California. University of California Press, Berkeley. 405 pages.
 

 Olsen, S.L. 1976. Appendix 7, Microvertebrates. In E.W. Haury, ed. The Hohokam Desert Farmers and Craftsmen: Excavations at Snaketown 1964-1965. University of Arizona Press, Tucson.
 

 Platts, W.S. 1976. Validity of methodologies to document stream environments for evaluating fishery conditions. Pages 267-284 in Instream flow needs, Volume 2. J.F. Orsborn and C.H. Allman, eds. American Fisheries Society, Bethesda, Maryland.
 

 Rinne, J.N. 1976. Cyprinid fishes of the genus Gila from the lower Colorado River basin. Wassman Journal of Biology 34:65-107.
 

 Saiki, M.K. 1976. An ecological evaluation of game fishes at Deer Island Lake, lower Colorado River. Doctoral dissertation, University of Arizona, Tucson. 240 pages.
 

 Seethaler, K.H. 1976. Resume of current knowledge on Colorado squawfish. Utah State University, Logan. 9 pages.
 

 Stalnaker, C.B. and J.L. Arnetter, eds. 1976. Methodologies for determining instream flows for fish and other aquatic life. Utah State University, Logan, Utah. 199 pages.
 

 Sublette, J.E. 1976. Survey of the fishes of the San Juan River basin, with particular reference to the endangered species. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 9 pages.
 

 Suttkus, R.D. 1976. Survey of fishes, mammals and herpetofauna of the Colorado River and adjacent riparian areas of the Grand Canyon National Park. Progress report. Colorado River Research Series Contribution (Grand Canyon National Park, Grand Canyon, Arizona). 9 pages.
 

 Suttkus, R.D., G.H. Clemmer, C. Jones and C. Shoop. 1976. Survey of fishes, mammals and herpetofauna of the Colorado River in Grand Canyon. Colorado River Research Program final report. Technical report no. 5. Grand Canyon National Park. 48 pages.
 

 Sutton, R.J. 1976. Humpback chub. Colorado Outdoors 25(4):20-21.
 

 Tennant, D.L. 1976. Instream flow regimens for fish, wildlife, recreation and related environmental resources. Pages 359-373. In Instream Flow Needs, Volume II. Proceedings of the Symposium and Specialty Conference on Instream Flow Needs, American Fisheries Society, Boise, Idaho.
 

 U.S. Fish and Wildlife Service. 1976. Report on the Savery-Pot Hook Project.  U.S. Fish and Wildlife Service, Denver, Colorado. 39 pages.
 

 Wydoski, R.S., K. Gilbert, K. Seethaler and C.W. McAda.  1976. Annotated bibliography for aquatic resource management of the upper Colorado River ecosystem. Utah Cooperative Fishery Research Unit. 206 pages.
 

 Baker, J.T., J.E. Deacon, T.A. Burke, S.S. Egdorf, L.J. Paulson and R.W. Tew. 1977. Limnological aspects of Lake Mead, Nevada-Arizona. REC-ERC-77-9. No source.
 

 Bovee, K.D. and T. Cochnauer. 1977. Development and evaluation of weighted criteria probability-of-use curves for instream flow assessments: fisheries. Instream Flow Information Paper No. 3. U.S. Fish and Wildlife Service, Office of Biological Services, Western Energy and Land Use Team 82(26):39.
 

 Brienholt, C. 1977. Parasites of the flannelmouth and chislemouth sucker from two locations in Utah. Encyclia 54(2):90.
 

 Carothers, S.W. 1977. River resource monitoring project, Grand Canyon National Park. National Park Service and Museum of Northern Arizona. 51 pages.
 

 Colorado River Wildlife Council. 1977. Endemic fishes of the Colorado River system: a status report. Endemic Species Commission, Colorado River Wildlife Council. 16 pages.
 

 Hepworth, D.K., A.W. Gustaveson and R. Biggins. 1977. Lake Powell post-impoundment investigations. Annual performance report January-December 1977. State Division of Wildlife Resources, Salt Lake City, Utah. 60 pages.
 

 Holden, P.B. 1977. Study of the habitat use and movement of the rare fishes in the Green River from Jensen to Green River, Utah, August and September, 1977. Final report.  BIO/WEST, Inc., Logan, Utah. 58 pages.
 

 Holden, P.B. 1977. Habitat requirements of juvenile Colorado River squawfish. U.S. Fish and Wildlife Service, Office of Biological Survey, Fort Collins, Colorado.
 

 Johnson, J.E. 1977. Realistic management of endangered species. Progress to date. Proceedings of the Annual Conference of the Western Association of Game and Fish Commissions 57:298-301.
 

 Joseph, T.W. 1977. An indexed, annotated bibliography of the endangered and threatened fishes of the upper Colorado River System. U.S. Fish and Wildlife Service, Fort Collins, Colorado. 169 pages.
 

 Joseph, T.W., J.A. Sinning, R.J. Behnke and P.B. Holden. 1977. An evaluation of the status, life history and habitat requirements of endangered and threatened fishes of the upper Colorado River system. report 24, Part 2. U.S. Fish and Wildlife Service, Office of Biological Services, Fort Collins, Colorado. 184 pages.
 

 Kidd, G.T. 1977. An investigation of endangered and threatened fish species in the upper Colorado River as related to U.S. Bureau of Reclamation projects. Final report. Northwest Fisheries Research, Clifton, Colorado. 38 pages.
 

 Langlois, D. 1977. Status of the razorback sucker and bonytail chub in western Colorado. Colorado Division of Wildlife Department of Natural Resources, Denver. 12 pages.
 

 Langlois, D. 1977. Colorado's endangered fish. Colorado Outdoors 26(3):18-21.
 

 Maksimov, Y.M. 1977. Peculiarities in the manifestation of certain defensive reactions of pelagic fishes from the Gulf of Mexico in the area fished by an electrified bottom trawl. Journal of Ichthyology 17(2):305-312.
 

 McAda, C.W. 1977. Aspects of life history of three catostomids native to the upper Colorado River basin. Master's thesis, Utah State University, Logan. 104 pages.
 

 McAda, C.W., C. Philips, C.R.J. Berry and R.S. Wydoski. 1977. Survey of threatened and endangered fish in southeastern Utah streams. Utah Cooperative Fishery Research Unit, Logan.
 

 Minckley, C.O. 1977. Unpublished field notes pertaining to humpback chub capture. 4 pages.
 

 Minckley, C.O. 1977. Monitoring the population trends of the genus Gila in selected localities. Final Report to National Park Service, Grand Canyon National Park, Grand Canyon, Arizona, by Museum of Northern Arizona, Contract No. CX821 070012. In S.W. Carothers, ed. River Resource Monitoring Project, Grand Canyon National Park.
 

 Minckley, C.O. 1977. Preliminary survey of the fish of the Little Colorado River from Blue Spring to the vicinity of Big Canyon, Coconino County, Arizona. report to the Office of Endangered Species, Region 2. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 10 pages.
 

 Prewitt, C.G. 1977. Catostomid fishes of the Yampa and White Rivers, Colorado. Colorado State University, Fort Collins. 100 pages.
 

 Reiger, G. and G.L. Schelling. 1977. Native fish in troubled waters. Audubon 79:18-41.
 

 Sackschewsky, M.R. 1977. Threatened and endangered species evaluation for 75 licensed commercial nuclear power generating plants. Pacific Northwest Laboratory, Richland, Washington. 313 pages.
 

 Schmidt, B., J. Lund, D. Dufek, M. Snigg and B. Wengert. 1977. Flaming Gorge Reservoir and Green River post-impoundment investigations. Annual performance report January 1977-December 1977. Publication number 78-4. Dingell-Johnson Project Number F-28-R-6. Utah State Division of Wildlife Resources. 56 pages.
 

 Suttkus, R.D. and G.H. Clemmer. 1977. Humpback chub, Gila cypha, in the Grand Canyon area of the Grand Canyon area of the Colorado River. Tulane University Museum of Natural History Occasional Papers, Belle Chasse, Louisianna 1:1-30.
 

 U.S. Fish and Wildlife Service. 1977. Indexed, annotated bibliography of the endangered and threatened fishes of the upper Colorado River system. U.S. Fish and Wildlife Service Biological Services Program, Denver, Colorado. 169 pages.
 

 Wydoski, R.S., D.A. Smith, et al. 1977. Annual Conference Western Association of Game and Fish Commissioners and Western Division 1977. American Fisheries Society, Tucson, Arizona.
 

 Allan, R.C. and D.L. Roden. 1978. Fish of Lake Mead and Lake Mohave. Base fisheries data Boulder Canyon to Davis Dam. Bilological bulletin no. 7. Nevada Department of Wildlife, Reno. 105 pages.
 

 Andrews, E.D. 1978. Present and potential sediment yields in the Yampa River Basin, Colorado and Wyoming. U.S. Geological Survey, Water Resources Investigations. 33 pages.
 

 Armantrout, N.B. 1978. Endangered fish of the Colorado. Our Public Lands 28(2):8-10.
 

 Bovee, K.D. and R.T. Milhous. 1978. Hydraulic simulation in instream flow studies: theory and techniques. Instream Flow Information Paper No. 5. U.S. Fish and Wildlife Service, Fort Collins, Colorado. 124 pages.
 

 California Department of Fish and Game. 1978. At the crossroads 1978: a report on California's endangered and rare fish and wildlife. California Department of Fish and Game, Sacramento. 114 pages.
 

 Courtois, L.A. 1978. Endangered, threatened and rare fish: Colorado squawfish. California Department of Fish and Game. 3 pages.
 

 Courtois, L.A., T.J. Mills and V.M. Boccone. 1978. Colorado squawfish. Pages 38-39 in Endangered, Threatened, and Rare Fish: Fishes. California Department Fish and Game, Sacramento.
 

 Courtois, L.A., T.J. Mills and V.M. Boccone. 1978. Humpback sucker. Pages 42-43 in Endangered, Threatened, and Rare Fish: Fishes. California Department Fish and Game, Sacramento.
 

 Cross, J.N. 1978. Status and ecology of the Virgin River roundtail chub, Gila robusta seminuda (Osteichthyes: Cyprinidae). Southwestern Naturalist 23:519-528.
 

 Deacon, J.E. 1978. Endangered and threatened fishes of the West. Great Basin Naturalist Memoirs 3:41-64.
 

 Desert Fishes Council. 1978. Proceedings of the Desert Fishes Council Tenth Annual Symposium. Desert Fishes Council, Bishop, California. 73 pages + appendices.
 

 Engel, J.M.  1978. Management of endangered cool water fishes. Pages 159-1690 in R.L. Kendall, ed. American Fisheries Society Special Publication, Number 11. Selected Cool Water Fishes of North America. Proceedings of a Symposium, St. Paul, Minnesota.
 

 Euler, R.C. 1978. Archeological and paleobiological studies at Stanton's cave, Grand Canyon National Park, Arizona. A report of progress. Pages 142-162 in National Geographic Society Research Report.
 

 Finnley, D., ed.  1978. Rulemaking actions, April 1978. Protection sought for bonytail chub, razorback sucker. Endangered Species Technical Bulletin 3(5):6.
 

 Holden, P.B. 1978. Study of the habitat use and movement of the rare fishes in the Green River, Utah. BIO/WEST, Inc., Logan, Utah.
 

 Holden, P.B. 1978. Study of the habitat use and movement of the rare fishes in the Green River, Utah. Transactions of the American Fisheries Society Bonneville Chapter 1978:64-89.
 

 Holden, P.B. and D.A. Selby. 1978. Study to determine the spawning requirements of Colorado squawfish. Publication # PR-17-1. BIO/WEST, Inc., Logan, Utah. 29 pages.
 

 Holden, P.B. and L.W. Crist. 1978. Documentation of modification of endemic fish species and macroinvertebrates in the Green River below Flaming Gorge Dam. BIO/WEST, Inc., Logan, Utah. 11 pages.
 

 Hyra, R. 1978. Methods of assessing instream flows for recreation. U.S. Fish and Wildlife Service, Office of Biological Services, Instream Flow Services Group. 16 + pages.
 

 Joseph, T.W. 1978. Capture locations of rare fish in the upper Colorado River system. U.S. Fish and Wildlife Service, Office of Biological Services. 44 pages.
 

 Langlois, D., J. Livesay, J. St. Amant, R.C. Allan, R. David and R. Gervais. 1978. Colorado squawfish recovery plan. Utah Division of Wildlife Resources, Salt Lake City.
 

 Langlois, D., J. Torres, C. Prewitt, E. Wick, C. Carlson and D. Snyder. 1978. Colorado squawfish and humpback chub population and habitat monitoring program, Colorado Division Wildlife, Denver. Performance report. Endangered Wildlife Investigations. 57 pages.
 

 McAda, C.W. 1978. Catalog of water development in the upper Colorado River basin.  U.S. Fish and Wildlife Service, Salt Lake City, Utah. 226 pages + maps.
 

 McAda, C.W., C. Philips, C.R. Berry and R.S. Wydowski. 1978. Survey of endangered, threatened and unique fish in southeastern Utah streams within the coal planning area. Utah State Universiy, Utah Cooperative Fishery Research Unit, Logan. 245 pages.
 

 Minckley, C.O. 1978. Unpublished field notes pertaining to humpback chub capture. 13 pages.
 

 Minckley, C.O. 1978. Recovery of the humpback chub (Gila cypha) and observations on that species. Museum of Northern Arizona, Flagstaff. 3 pages.
 

 Nathanson, M.N. 1978. Updating the Hoover Dam documents. U.S. Bureau of Reclamation, Denver, Colorado. 6 pages.
 

 Patton, D.R. 1978. Vertebrate checklist for Arizona and New Mexico. Wildlife Habitat Technical Bulletin 5:1-25.
 

 Prewitt, C.G., E.J. Wick and D.E. Snyder. 1978. Population and habitat monitoring program for the endangered humpback chub (Gila cypha) and Colorado squawfish (Ptychocheilus lucius). Progress report for 1977. Colorado State University (submitted to Colorado Division of Wildlife), Fort Collins. 53 pages.
 

 Prewitt, C.G., E.J. Wick, D.E. Snyder and D. Langlois. 1978. Colorado squawfish and humpback chub population and habitat monitoring. Progress report of Federal Aid to Endangered Wildlife. Colorado Division of Wildlife Resources, Denver. 59 pages.
 

 Prewitt, C.G., W.H. Wick, D.E. Snyder and C.A. Carlson. 1978. Baseline survey of aquatic macroinvertebrates and fishes of the White and Yampa survey of aquatic macroinvertebrates and fishes of the White and Yampa Rivers, Colorado. Semi-annual report. Colorado State University, Department of Fishery and Wildlife Biology, Fort Collins. 29 pages.
 

 Roden, D.L. 1978. Base fisheries data Phase I Boulder Canyon to Davis Dam. Nevada Fish and Game. 276 pages.
 

 Seethaler, K. 1978. Life history and ecology of the Colorado squawfish (Ptychocheilus lucius) in the upper Colorado River basin. Master's thesis, Utah State University, Logan. 156 pages.
 

 Stalnaker, C.B. 1978. Methodologies for preserving instream flows, the incremental method. Upper Mississippi River Basin Commission.
 

 Torres, J. and D. Langlois. 1978. Essential habitat for threatened or endangered wildlife in Colorado: part I. Colorado Division of Wildlife, Denver. 44 pages.
 

 Torres, J. and D. Langlois. 1978. Razorback (humpback) sucker, Xyrauchen texanus (Abbott). Pages 24-25 in Essential Habitat for Threatened or Endangered Wildlife in Colorado: Part I. Colorado Division of Wildlife, Fort Collins.
 

 Torres, J., S. Bissell, G. Craig, W. Graul and D. Langlois. 1978. Wildlife in danger: the status of Colorado's threatened or endangered birds, fish and mammals. Colorado Division of Wildlife, Denver.
 

 U.S. Bureau of Reclamation. 1978. Colorado River Basin salinity control project, stage one development, Grand Valley Unit definite plan report. U.S. Bureau of Reclamation.
 

 U.S. Fish and Wildlife Service. 1978. Colorado squawfish restoration plan approved by U.S. Fish and Wildlife Service. Endangered Species Technical Bulletin 3(4):3.
 

 U.S. Fish and Wildlife Service. 1978. Proposed endangered status for the bonytail chub and threatened status for the razorback sucker. Federal Register 43:17375-17377.
 

 Upper Colorado River Commission. 1978. Thirtieth annual report of the Upper Colorado River Commission. Upper Colorado River Commission, Salt Lake City, Utah.
 

 VTN Consolidated, Inc. 1978. Fish, wildlife and habitat assessment, San Juan River, New Mexico and Utah, Gallup-Navajo Indian Water Supply Project. U.S. Bureau of Reclamation, Salt Lake City, Utah. 241 pages.
 

 Whaley, R.A., O.E. Maughan, et al. 1978. Lethality of electroshock to two freshwater fishes. Progressive Fish Culturist 40(4):161-163.
 

 Wiley, R.W. 1978. Trends in fish population, 1963 through 1976. Wyoming Game and Fish Department, Cheyenne 1:17-29.
 

 Wilke, P.J. 1978. Late prehistoric human ecology at Lake Cahuilla, Coachella Valley, California. Contributions of the California University Archaeological Research Facility, University of California, Department of Anthropology, Berkeley. 168 pages.
 

 Wiltzius, W.J. 1978. Some factors historically affecting the distribution and abundance of fishes in the Gunnison River. Final report for fishery investigations of the lower Gunnison River drainage. Colorado Division of Wildlife, Fort Collins. 215 pages.
 

 Wyoming Game and Fish Department. 1978. Fishery research report: Flaming Gorge Reservoir. Wyoming Game and Fish Department, Cheyenne. 47 pages.
 

 Abbey, D. and C. Olinger. 1979. Survey of energy projects and resources in the upper Colorado and upper Missouri River basins. Informal report LA-8126-MS. Los Alamos Scientific Laboratory, Los Alamos, New Mexico. 23 pages.
 

 Anonymous. 1979. Humpback chub recognized. Canyon Echo 15(5).
 

 Anonymous. 1979. Peregrine falcon, humpback chub recovery plans approved. Endangered Species Technical Bulletin 4(9):5.
 

 Berry, C.R., Jr. 1979. Humpbacks and bonytails: Utah's rare fish. Edge, Natural Resources and People 2(1):22-25.
 

 Berry, C.R., Jr. 1979. Humpbacks and bonytails: Utah's rare fish. Utah Cooperative Fishery Research Unit, Logan.
 

 Carlson, C.A., C.G. Prewitt, D.E. Snyder, E.J. Wick, E.L. Ames and W.D. Fronk. 1979. Fishes and macroinvertebrates of the White and Yampa Rivers, Colorado. Final report, February 1979. Colorado State University Department of Fisheries and Wildlife Biology, Department of Zoology and Entomology, Fort Collins and U.S. Bureau of Land Management Project 31-1474-1744. 276 pages.
 

 Clemmer, G.H. 1979. Unpublished field notes pertaining to humpback chub captures. 8 pages.
 

 Cowardin, L.M., V. Carter, F.C. Golet and E.T. LaRoe. 1979. Classification of wetlands and deepwater habitats of the United States. U.S. Fish and Wildlife Service, Washington, D.C. 131 pages.
 

 Day, D. 1979. Endangered animals in Utah and adjacent areas. Great Basin Naturalist Memoirs 3:35-40.
 

 Deacon, J.E., G. Kobetich, J.D. Williams, S. Contreras and members of the endangered species committee of the American Fisheries Society. 1979. Fishes of North America--endangered, threatened, or of special concern 1979. Fisheries (Bethesda) 4(2):29-44.
 

 Desert Fishes Council. 1979. Proceedings of the Desert Fishes Council Volume XI Annual Symposium. Desert Fishes Council, Bishop, California. 152 pages.
 

 Gatz, J. 1979. Community organization in fishes as indicated by morphological features. Ecology 60(4):713-718.
 

 Holden, P.B. 1979. Ecology of riverine fishes in regulated stream systems with emphasis on the Colorado River. Pages 57-74 in The Ecology of Regulated Streams. W.A. Stanford, Plenum Publishing Company.
 

 Holden, P.B. and D.A. Selby. 1979. Aquatic biology survey of the Green River (Utah) to assess potential impacts of a proposed water withdrawal structure. BIO/WEST, Inc., Logan, Utah. 40 pages.
 

 Horak, G.C. 1979. Proceedings of the symposium on mitigating developmental impacts on fish and wildlife. Enviro Control, Inc., Fort Collins, Colorado.
 

 Kennedy, D.M. 1979. Ecological investigations of backwaters along the lower Colorado River. Doctoral dissertation, University of Arizona, Tucson. 219 pages.
 

 Lamb, B.L. and D.A. Sweetman. 1979. Guidelines for preparing expert testimony in water management decisions related to instream flow issues. U.S. Fish and Wildlife Service, Cooperative Instream Flow Service Group, Fort Collins, Colorado. 79(37):32.
 

 Langlois, D. 1979. Endangered wildlife investigations: Colorado squawfish propagation study. Colorado Division of Wildlife, Fort Collins. 4 pages.
 

 Langlois, D., T. Lytle, C. Haynes, R. Knox, J. Torres, E. Wick and D. Snyder. 1979. Colorado squawfish and humpback chub population and habitat monitoring. Project Number SE-3-2. Endangered Wildlife investigation, Work Plan No:1, Job Number 1. Colorado Division of Wildlife Nongame Progress Management, Denver. 57 pages.
 

 Lanigan, S.H. and C.R. Berry, Jr. 1979. Abundance and distribution of endemic fish in the White River, Utah.  American Fisheries Society Bonneville Chapter 1979 Annual Meeting.
 

 Lanigan, S.H. and C.R. Berry, Jr. 1979. Distribution and abundance of endemic fishes in the White River in Utah. Utah Cooperative Fish and Wildlife Research Unit, Logan. 93 pages.
 

 Lanigan, S.H., C.R.J. Berry and D. Robinson. 1979. Distribution and abundance of fishes in the White River in Utah. Interim report. U.S. Bureau of Land Management, Salt Lake City, Utah.
 

 May, B.E. and S.P. Gloss. 1979. Depth distribution of Lake Powell fishes: Lake Powell post-impoundment investigations. Utah Division of Wildlife Resources, Salt Lake City.
 

 Minckley, C.O. 1979. Unpublished field notes pertaining to humpback chub capture. 5 pages.
 

 Minckley, C.O. 1979. Stream use by exotic and native fishes, Grand Canyon National Park, with observations on their food habits and reproductive cycles in 1976-1977. Proceedings of the Desert Fishes Council 11.
 

 Minckley, C.O. 1979. Additional studies on the Little Colorado River population of the humpback chub. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 5 pages.
 

 Minckley, C.O. 1979. Report on the removal of humpback chubs from the Little Colorado River during October, 1979. Report to the Office of Endangered Species, Region 2. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 5 pages.
 

 Minckley, C.O. and S.W. Carothers. 1979. Recent collections of the Colorado River squawfish and razorback sucker from the San Juan and Colorado Rivers in New Mexico and Arizona. Southwestern Naturalist 24(4):686-687.
 

 Minckley, W.L. 1979. Aquatic habitats and fishes of the lower Colorado River, Southwestern United States. Final report. U.S. Bureau of Reclamation, Boulder City, Nevada and Arizona State University, Tempe.
 

 Mustard, E.W. and C.D. Rector. 1979. Wetlands, irrigation and salinity control: lower Gunnison River basin, Colorado. Mitigation Symposium, Fort Collins, Colorado.
 

 National Park Service. 1979. Green and Yampa wild and scenic rivers. National Park Service, Salt Lake City, Utah.
 

 National Park Service. 1979. Colorado River Management Plan, Grand Canyon National Park, Arizona. National Park Service.
 

 Nicola, S.J. 1979. Endangered, threatened, and rare fish: fisheries problems associated with the development of the lower Colorado River. Project Number Cal E-F-001-R. California Department of Fish and Game.
 

 Nicola, S.J. 1979. Fisheries problems associated with the development of the lower Colorado River. Inland Fisheries Endangered Species Program Special Publication 74(4):1-18.
 

 Ohmart, R.D. 1979. Past and present biotic communities of the lower Colorado River mainstem and selected tributaries. Volume I. Final report under contract 7-07-30-V0009, modification 2. U.S. Bureau of Reclamation, Lower Colorado River Region, Boulder City, Nevada. 238 pages.
 

 Seethaler, K.H., C.W. McAda and R. Wydoski. 1979. Endangered and threatened fish in the Yampa and Green Rivers of Dinosaur National Monument. Pages 605-612 in R.M. Linn, ed. Proceedings of the First Annual Conference on Scientific Research in the National Parks. U.S. National Park Service Transactions and Proceedings, Series 5.
 

 Sinning, J.A. and J.W. Andrew. 1979. Habitat enhancement for Colorado squawfish in the Yampa river in conjunction with railroad construction. Pages 553-555 in G.A. Swanson, ed. The Mitigation Symposium: A National Workshop in Mitigating Losses of Fish and Wildlife Habitats. U.S. Forest Service, Washington, D.C.
 

 Smith, G.L. 1979. Proceedings of the workshop in instream flow habitat criteria and modeling. Colorado State University Colorado Water Resources Research Institute. 244 pages.
 

 Smith, G.R., R.R. Miller and W.D. Sable. 1979. Species relationships among fishes of the genus Gila in the upper Colorado River drainage. Pages 613-623 in Proceedings of the First Annual Conference on Scientific Research in the National Parks. U.S. National Park Service Transactions and Proceedings Series 5.
 

 Snyder, D.E. 1979. Myomere and vertebra counts of the North American cyprinids and catostomids. Pages 53-69 in R.D. Hoyt, ed. Proceedings of the third symposium on larval fishes (February 20-21, 1979). Western Kentucky University, Department of Biology, Bowling Green, Kentucky.
 

 St. Amant, J., R.C. Allan, R. David, R. Gervais, B. Jensen and J. Johnson. 1979. Humpback chub recovery plan. Colorado River Fishes Recovery Team, Arizona Game and Fish Department, California Game and Fish Department, Colorado Division of Wildlife and Nevada Department of Fish and Game. 74 pages.
 

 Stone, R.C. and F. Eiserman. 1979. Background of Flaming Gorge Reservoir fisheries investigations. Utah State Division of Wildlife Resources. 13 pages.
 

 Suttkus, R.D. and G.H. Clemmer. 1979. Fishes of the Colorado River in Grand Canyon National Park. Pages 599-604 in Proceedings of the First Annual Conference on Scientific Research in the National Parks U.S. National Park Service Transactions and Proceedings Series 5.
 

 U.S. Fish and Wildlife Service. 1979. Biological opinion for Dallas Creek Project, Colorado. Final. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 U.S. Fish and Wildlife Service. 1979. Aquatic study--Colorado River from Lee's Ferry to the southern International Boundary, and selected tributaries, Arizona, California, Nevada. Special report on distribution and abundance of fishes of the lower Colorado River. Final report, U.S. Water and  U.S. Fish and Wildlife Service, Phoenix. 157 pages.
 

 U.S. Fish and Wildlife Service. 1979. Wanted for the future/these native fishes of the Colorado River. U.S. Fish and Wildlife Service. 6 pages.
 

 Wick, E.J. and D. Snyder. 1979. Colorado Division Of Wildlife's Colorado squawfish and humpback chub trend zone monitoring program. Proceedings of the Desert Fishes Council 11.
 

 Wick, E.J., D.E. Snyder and C.M. Haynes. 1979. Colorado Division of Wildlife's Colorado squawfish and humpback chub trend zone monitoring program. Proceedings of the Desert Fishes Council 11:100.
 

 Wick, E.J., D.E. Snyder, D. Langlois and T. Lytle. 1979. Colorado squawfish and humpback chub population and habitat monitoring. Progress report SE-3-2. Colorado Division of Wildlife, Denver.
 

 Wilke, P.J. 1979. Prehistoric weir fishing of recessional shorelines of Lake Cahuilla, Salton Basin, southeastern California. Proceedings of the Desert Fishes Council 11:101-103.
 

 Andrews, E.D. 1980. Effective and bankfull discharges of streams in the Yampa River basin, Colorado and Wyoming. Journal of Hydrology 46:311-330.
 

 Annear, T.A. 1980. Characterization of Yampa and Green River ecosystems. Master's thesis, Utah State University, Logan.
 

 Anonymous. 1980. Endangered fish delay dam's construction in Utah. New York Times, Sunday, December 7, 1980. 2 pages.
 

 Archer, D.L., H.M. Tyus and R.A. Valdez. 1980. Field methodologies of the Fish and Wildlife Service, Colorado River Fisheries Project. Transactions of the American Fisheries Society of the Bonneville Chapter 1980:13-36.
 

 Balayev, L.A. and N.N. Fursa. 1980. Behavior of ecologically different fish in electric fields, I. Threshold of first reaction in fish. Journal of Ichthyology 20(4):147-152.
 

 Beamesderfer, R.C. and T.C. Bjornn. 1980. Habitat selection, spawning behavior and early life history of northern squawfish with inferences to Colorado squawfish. U.S. Fish and Wildlife Service, Colorado River Fishery Project. 22 pages.
 

 Behnke, R.J. 1980. Impacts of habitat alterations on the endangered and threatened fishes of the upper Colorado River basin. Pages 204-216 in W.O.J. Spofford, A.L. Parker and A.V. Kneese, eds. Energy Development and the Water, Fish, and Wildlife in the Southwest: Problems of the Upper Colorado River Basin. Resources for the Future, Washington, D.C.
 

 Behnke, R.J. and D.E. Benson. 1980. Endangered and threatened fishes of the upper Colorado River basin. Colorado State University Cooperative Extension Service Bulletin 503A, Fort Collins. 34 pages.
 

 Berry, C.R., Jr., R. Pimental and T. Black. 1980. Tolerance and preferences of Colorado endangered fishes to selected habitat parameters. Annual report. Utah Cooperative Fishery Research Unit, Logan.
 

 Bishop, B.A. and D.B. Porcella. 1980. Physical and ecological aspects of the upper Colorado River basin. No source.
 

 Brienholt, J.C. and R.A. Heckmann. 1980. Parasites from two species of suckers (Catostomidae) from southern Utah. Great Basin Naturalist 40(2):149-156.
 

 California Department of Fish and Game. 1980. At the crossroads 1980: a report on California's endangered and rare fish and wildlife. California Department of Fish and Game, Sacramento. 147 pages.
 

 Clemmer, G.H. 1980. Unpublished field notes pertaining to humpback chub captures. 7 pages.
 

 Eastman, J.T.  1980. Caudal skeletons of catostomid fishes. American Midland Naturalist 103(1):133-148.
 

 Finnley, D., ed.  1980. Rulemaking actions, April 1980. Bonytail chub endangered. Endangered Species Technical Bulletin 5(5):6.
 

 Gear, R.D. 1980. Memorandum: Request for participation and partial funding of a razorback sucker and endangered bonytail chub study in Lake Mohave. U.S. Bureau of Reclamation, Water and Power Resources Service, Boulder City, Nevada. 15 pages.
 

 Gustaveson, A.W., T.D. Pettengill, M.J. Ottenbacher and J.E. Johnson. 1980. Lake Powell post-impoundment investigations. 1975-1979 Five-year completion and 1979 (segment 8) annual performance report. Publication number 80-11. Utah State Division of Wildilfe Resources. 75 pages.
 

 Harrington, W. 1980. Endangered species protection and water resource development. Los Alamos Scientific Laboratory, Los Alamos, New Mexico. 60 pages.
 

 Haynes, C.M. 1980. Saving Colorado's big-river fish. Colorado Outdoors 29(1):26-29.
 

 Haynes, C.M. 1980. Endangered humpback chub range extension documented. Endangered Species Technical Bulletin 5(10):3.
 

 Heggen, A.W. 1980. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Performance report - SE-2(CO-OP), October 1, 1979 - June 30, 1980. Utah Division of Wildlife Resources, Salt Lake City. 1 page.
 

 Holden, P.B. 1980. Relationship between flows in the Yampa River and success of rare fish populations in the Green River system. BIO/WEST, Inc., Logan, Utah. 39 pages.
 

 Holden, P.B. 1980. Gila elegans Baird and Girard, bonytail chub. Page 167 in D.S. Lee, C.R. Gilbert, C.H. Hocutt, R.E. Jenkins, D.E. McAllister, and J.R. Stauffer, Jr., eds. Atlas of North American Freshwater Fishes. North Carolina State Museum, North Carolina Biological Survey Publication Number 1980-12. Raleigh, NC.
 

 Holden, P.B. 1980. Will outlet modification of Flaming Gorge Dam help the Colorado squawfish? Proceedings of the Desert Fishes Council 10:37.
 

 Holden, P.B. and W.L. Minckley. 1980. Gila cypha, humpback chub. Page 165 in D.S. Lee, C.R. Gilbert, C.H. Hocutt, R.E. Jenkins, D.E. McAllister, and J.R. Stauffer, Jr., eds. Atlas of North American Freshwater Fishes. North Carolina State Museum, North Carolina Biological Survey Publication Number 1980-12. Raleigh, NC.
 

 Jensen, B.L. 1980. Memorandum: Status report on wild Colorado squawfish, bonytail chub, and razorback suckers. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Jensen, B.L. 1980. Annual report, 1980. U.S. Fish and Wildlife Service, Dexter, New Mexico. 5 pages.
 

 Johnson, W.W. and M.T. Finley. 1980. Handbook of Acute Toxicity of Chemicals to Fish and Aquatic Invertebrates. U.S. Fish and Wildlife Service, Resource Publication 137.
 

 Keenan, C.L. and T. Miller. 1980. Population responses of Hyallella azteca in the Colorado River to periphyton standing crop and predation by the razorback sucker (Xyrauchen texanus). Bulletin of the Ecological Society of America 61(2):152.
 

 Lake Powell Chronicle. 1980. Endangered species captured in Lake Powell 7/16/80 Page, Arizona. Lake Powell Chronicle.
 

 Langlois, D., T. Lytle, et al. 1980. Colorado squawfish propagation study. Colorado Division of Wildlife. 5 pages.
 

 Lee, D.S., C.R. Gilbert, C.H. Hocutt, R.E. Jenkins, D.E. McAllister and J.R. Stauffer, Jr. 1980. Atlas of North American Freshwater Fishes Page 165 in Publication 1980-12 of the North Carolina Biological Survey. North Carolina State Museum of Natural History.
 

 Loudermilk, W.E. 1980. Relocation of the 1974 cohort HBS received from Willow Beach National Fish Hatchery to West Pond. L.B. Associate Fishery Biologist. July 30, 1980. California Department of Fish and Game.
 

 MacPhee, C. and M.H. Beleau. 1980. Acute toxicity of selected chemicals to the Colorado squawfish: an endangered species. 15 pages.
 

 McAda, C.W. 1980. IRP strategy for upper Colorado River basin. 44 pages.
 

 McAda, C.W. and R.S. Wydoski. 1980. Razorback sucker, Xyrauchen texanus, in the upper Colorado River basin, 1974-1976. U.S. Fish and Wildlife Service, Technical Paper 99:1-15.
 

 McAda, C.W., C.R. Berry, Jr. and C.E. Phillips. 1980. Distribution of fishes in the San Rafael River system of the upper Colorado River basin. Southwestern Naturalist 25(1):41-50.
 

 McCall, T. 1980. Fishery investigation of Lake Mead, Arizona-Nevada, from Separation Rapids to Boulder Canyon, 1978-79. Final report, contract number 8-07-30-X0025. U.S. Department of Interior, Water and Power Resources Services, Lower Colorado River Region, Boulder City, Nevada. 197 pages.
 

 Miller, W.H., J. J. Valentine, D. L. Archer, H. M. Tyus, R. A. Valdez and L. R. Kaeding. 1980. Colorado River Fisheries Investigations, 1979 progress report. Draft. U.S. Fish and Wildlife Service and U.S. Bureau of Reclamation. 71 pages.
 

 Minckley, C.O. 1980. Unpublished field notes pertaining to humpback chub capture. 7 pages.
 

 Minckley, C.O. 1980. River resource monitoring project, a species studies, Grand Canyon National Park: Part 2. Report National Park Service Contract CX-82-1070012. Museum of Northern Arizona, Flagstaff. 23 pages.
 

 Minckley, C.O. 1980. Recovery of the humpback chub Gila cypha and observations on that species 1977-1978. Proceedings of the Desert Fishes Council 12:130.
 

 Minckley, W.L. and P.B. Holden. 1980. Catostomus latipinnis Baird & Girard. Page 381 in D.S. Lee, C.R. Gilbert, C.H. Hocutt, R.E. Jenkins, D.E. McAllister, and J.R. Stauffer, Jr., eds. Atlas of North American Freshwater Fishes. North Carolina State Museum, North Carolina Biological Survey Publication Number 1980-12. Raleigh, NC.
 

 Molles, M. 1980. Impacts of habitat alterations and introduced species on the native fishes of the upper Colorado River basin. Pages 163-181 in W.O.J. Spofford, A.L. Parker and A.V. Kneese, eds. Energy Development and the Water, Fish, and Wildlife in the Southwest: Problems of the Upper Colorado River Basin. Resources for the Future, Washington, D.C.
 

 Paulson, L.J., J.R. Baker and J.E. Deacon. 1980. Limnological status of Lake Mead and Lake Mohave under present and future powerplant operations of Hoover Dam. Technical report no. 1. Contract 14-06-300-2218. University of Nevada, Las Vegas. 229 pages.
 

 Persons, W.R. and R.V. Bulkley. 1980. Striped bass and Colorado squawfish interactions above Lake Powell. Encyclia 57:175-176.
 

 Rinne, W.E. 1980. Lower Colorado River area coordinator report. Proceedings of the Desert Fishes Council 12:19-20.
 

 Robins, C.R., R.M. Bailey, C.E. Bond, J.R. Brooker, E.A. Lachner, R.N. Lea and W.B. Scott. 1980. List of common and scientific names of fishes from the United States and Canada. Fourth edition. American Fisheries Society Special Publication Number 12. 174 pages.
 

 Robinson, K. 1980. Humpback chub. Grand Canyon National Park Guide 4(13): 2 pages.
 

 Saiki, M.K., D.M. Kennedy and J.C. Tash. 1980. Effects of water development on the lower Colorado River. California-Nevada Wildlife Transactions 1980:100-111.
 

 Schmidt, B.R., S. Brayton, J.E. Johnson, J. Lund, D. Dufek, W. Wengert and M. Snigg. 1980. Flaming Gorge Reservoir fisheries investigations, 1980 annual report. Publication No. 82-4. Dingell-Johnson Project F-28-R-9. Utah Division of Wildlife Resources, Salt Lake City. 51 pages.
 

 Seethaler, K. 1980. Life history and ecology of the Colorado squawfish (Ptychocheilus lucius) in the upper Colorado River basin. Proceedings of the Desert Fishes Council 10:45-46.
 

 Selby, D. 1980. Is radio-tagging a viable technique for Colorado squawfish? Proceedings of the Desert Fishes Council 10:47.
 

 Spofford, Jr., W.O., A.L. Parker and A.V. Kneese, eds. 1980. Energy development in the southwest problems of water, fish and wildlife in the upper Colorado River basin. Johns Hopkins University Press. 541 pages.
 

 Stephens, R.F. 1980. Memorandum: Regarding the biological assessment of the impacts of the proposed Hoover powerplant modification to the bonytail chub and razorback sucker. U.S. Fish and Wildlife Service, Phoenix, Arizona. 14 pages.
 

 T.M. Twedt and P.B. Holden. 1980. Development of habitat suitability curves and estimation of available habitat for Colorado squawfish in the San Juan River, New Mexico and Utah. Report PR-46-1-1. BIO/WEST, Inc., Logan, Utah.
 

 Tyus, H.M., C.W. McAda and B.D. Burdick. 1980. Colorado River Fishes Investigation. Annual report, 1979. Vernal, Utah. 46 pages.
 

 U.S. Environmental Protection Agency. 1980. Ambient water quality criteria for polychlorinated biphenyls. U.S. Environmental Protection Agency, Office of Water, Regulations and Standards, Washington, D.C. 204 pages.
 

 U.S. Fish and Wildlife Service. 1980. Bonytail chub: determination as an endangered species. Federal Register 45(80):27710-27713.
 

 U.S. Fish and Wildlife Service. 1980. Notice of withdrawl of an expired proposal for listing the razorback sucker. Federal Register 45:35410.
 

 U.S. Fish and Wildlife Service. 1980. Aquatic study special report on distribution and abundance of fishes of the lower Colorado River. U.S. Bureau of Reclamation, Boulder City, Nevada.
 

 Valdez, R.A. 1980. Status of the distribution and taxonomy of Gila cypha in the upper Colorado River. Proceedings of the Desert Fishes Council 12:53-61.
 

 Valdez, R.A. and P. Mangan. 1980. Colorado River Fishery Project. Annual report, 1979. Grand Junction, Colorado. 23 pages.
 

 White, M.R., F.D. Valdez and M.D. White. 1980. Instream flow negotiation: review of practices. U.S. Fish and Wildlife Service, Office of Biological Services 80-53:68.
 

 Wydoski, R.S. 1980. Potential impacts of alterations in streamflow and water quality on fish and macroinvertebrates in the upper Colorado River basin. Chapter 8 in W.O.J. Spofford, A.L. Parker and A.V. Kneese, eds. Energy Development and the Water, Fish, and Wildlife in the Southwest: Problems of the Upper Colorado River Basin. Resources for the Future, Washington, D.C.
 

 Wydoski, R.S. and W.T. Helm. 1980. Effects of alterations to low gradient reaches of Utah streams. FWS/OBS-80/14. -------------------------------------------------------------------------------- Page 7 --------------------------------------------------------------------------------  U.S. Fish and Wildlife Service. 160 pages.
 

 Wydoski, R.S., K. Gilbert, K. Seethaler, C.W. McAda and J.A. Wydoski. 1980. Annotated bibliography for aquatic resource management of the upper Colorado River ecosystem. U.S. Fish and Wildlife Service, Research Publication 135:1-186.
 

 Baker, J.A. and S.T. Ross. 1981. Spatial and temporal resource utilization by southeastern cyprinids. Copeia 1981(1):178-189.
 

 Balayev, L.A. 1981. Behavior of ecologically different fish in electric fields, II. Threshold of anode reaction and tetanus. Journal of Ichthyology 21(1):134-143.
 

 Barta, G. 1981. Colorado squawfish propagation study. Colorado Division of Wildlife. 11 pages.
 

 Boudreaux, J. 1981. Techniques for computing endangered species mitigation for water development projects in the upper Colorado River basin. U.S. Fish and Wildlife Service. 17 pages.
 

 Carothers, S.W. and C.O. Minckley. 1981. Survey of the fishes, aquatic invertebrates, and aquatic plants of the Colorado River and selected tributaries from Lee's Ferry to Separation Rapid. Final report. U.S. Bureau of Reclamation, Lower Colorado River Region, Boulder City, Nevada and Museum of Northern Arizona, Flagstaff. 401 pages.
 

 Carothers, S.W., J.W. Jordan, C.O. Minckley and H.D. Usher. 1981. Infestation of the copepod parasite Lernaea cyprinacea in native fishes of the Grand Canyon. Pages 452-460 in Proceedings of the Secod Conference on Scientific Research in the National Parks. National Park Service Transactions and Proceedings Series 8.
 

 Clemmer, G.H. 1981. Unpublished field notes pertaining to humpback chub captures. 15 pages.
 

 Constanz, G.D. 1981. Life history patterns of desert fishes. Pages 237-290 in R.J. Naiman and D.L. Soltz, eds. Fishes in North American Deserts, Wiley-Interscience, John Wiley and Sons, New York, New York.
 

 Courtois, L.A. 1981. Lightweight, adjustable, and portable surgical table for fisheries work in the field. Progressive Fish Culturist 43(1):55-56.
 

 Cowan, M.S., R.W. Cheney and J.C. Addiego. 1981. Executive summary of the Colorado River simulation system. U.S. Bureau of Reclamation, Denver, Colorado. 12 pages.
 

 Elling, K. 1981. Gone fishing, Arizona style. Scottsdale Progress/Saturday Magazine. January 24, 1981. Scottsdale, AZ. 2 pages.
 

 Hamman, R.L. 1981. Transporting endangered fish species in plastic bags. Progressive Fish Culturist 32(4):212-213.
 

 Hamman, R.L. 1981. Hybridization of three species of chub in a hatchery. Progressive Fish Culturist 43(3):140-141.
 

 Hamman, R.L. 1981. Spawning and culture of Colorado squawfish in raceways. Progressive Fish Culturist 43(4):173-177.
 

 Hansen, G. 1981. Memorandum: Formal Section 7 consultation on the proposed Hoover power-plant modification. 1 page.
 

 Haynes, C.M. 1981. Endangered wildlife investigations: Colorado squawfish propagation study. Colorado Division of Wildlife. 11 pages.
 

 Holden, P.B. and L.W. Crist. 1981. Documentation of changes in the macroinvertebrate and fish populations in the Green River due to inlet modification of Flaming Gorge Dam. Final report, Contract No. 0074051357, Water and Power Resources Service. BIO/WEST, Inc., Logan, Utah. 128 pages.
 

 Inslee, T.D. 1981. Spawning of razorback suckers, Xyrauchen texanus.  Dexter National Fish Hatchery, Dexter, New Mexico. 20 pages.
 

 Jensen, B.L. 1981. Annual report, fiscal year 1981. U.S. Fish and Wildlife Service, Dexter, New Mexico. 15 pages.
 

 Jordan, W.J. 1981. Food habits of Grand Canyon fishes. Final report. U.S. Bureau of Reclamation Contract No 7-07-30-X. In S.W. Carothers and C.O. Minckley, eds. A Survey of the Fishes, Aquatic Invertebrates, and Aquatic Plants of the Colorado River and Selected Tributaries from Lee's Ferry to Separation Rapid.
 

 Kaeding, L.R. and M.A. Zimmerman. 1981. Life history, habitat relationships, and population status of the humpback chub (Gila cypha) in the Little Colorado and Colorado Rivers Arizona. Interim report 1980. U.S. Fish and Wildlife Service, Colorado River Fishery Project. 34 pages.
 

 Lanigan, S.H. and C.R. Berry, Jr. 1981. Distribution of fishes in the White River, Utah. Southwestern Naturalist 26(4):389-393.
 

 Loar, J.M. and M.J. Sale. 1981. Analysis of environmental issues related to small-scale hydroelectric development, V. Instream flow needs for fishery resources. Oak Ridge National Laboratory, Environmental Sciences Division 1829:135.
 

 Loudermilk, W.E. 1981. Aspects of razorback sucker (Xyrauchen texanus, Abbott) life history which help explain their decline. Proceedings of the Desert Fishes Council 133:67-72.
 

 Melnikov, V.N. and E.T. Prel. 1981. Some peculiarities of the effect of an electric field on fish. Journal of Ichthyology 21(1):144-151.
 

 Miller, F.H. 1981. Scientific publications of Carl Leavitt Hubbs: bibliography and index, 1915-1981 Hubbs-Sea World Research Institute, San Diego, California. 258 pages.
 

 Miller, W.H., J. J. Valentine, D. L. Archer, H. M. Tyus, R. A. Valdez and L. R. Kaeding. 1981. Colorado River Fisheries Investigations. Preliminary draft report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Salt Lake City, Utah.
 

 Miller, W.H., R.A. Valdez and P.G. Mangan. 1981. Fisheries investigations of the upper Colorado River, Rifle to Debeque, Colorado. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 4 pages.
 

 Minckley, C.O., S.W. Carothers, J.W. Jordan and H.D. Usher. 1981. Observations on the humpback chub, Gila cypha, within the Colorado and Little Colorado Rivers, Grand Canyon National Park, Arizona. Pages 176-183 in Proceedings of the Second Annual Conference on Scientific Research in the National Parks. U.S. National Park Service Transactions and Proceedings Series 8.
 

 Mpoame, M. and E.J. Landers. 1981. Ophiotaenia critica (Cestoda: Proteocephalidae), a parasite of the Colorado River squawfish. Great Basin Naturalist 41(4):445-448.
 

 Naiman, R.J. 1981. An ecosystem overview: desert fishes and their habitats. Pages 493-531 in R.J. Naiman and D.L. Stoltz, eds. Fishes in North American Deserts. John Wiley and Sons, New York, New York.
 

 Naiman, R.J. and D.L. Soltz. 1981. Fishes in North American Deserts. John Wiley and Sons, New York, New York. 552 pages.
 

 Nehring, R.B. 1981. Report on electroshocking survey of the lower Gunnison River from the North Fork confluence to the Austin Bridge, Sept. 4th and 9th, 1981. Colorado Division of Wildlife, Denver. 6 pages.
 

 Paulson, L.J., J.E. Deacon and J.R. Baker. 1981. Biology of bonytail chubs and razorback suckers in Lake Mohave. University of Nevada ,Lake Mead Limnological Research Center and Department of Biological Sciences, Las Vegas. 16 pages.
 

 Pister, E.P. 1981. Conservation of desert fishes. Pages 411-445 in R.J. Naiman and D.L. Stoltz, eds. Fishes in North American Deserts. John Wiley and Sons, New York, New York.
 

 Schoenherr, A.A. 1981. Role of competition and the replacement of native fishes by introduced species. Pages 173-203 in R.J. Naiman and D.L. Soltz, eds. Fishes in North American Deserts, Wiley-Interscience, John Wiley and Sons, New York, New York.
 

 Senecal, C., ed.  1981. Colorado squawfish stolen from hatchery. Endangered Species Technical Bulletin 6(2):1.
 

 Simons, D.B., R.M. Li, P. Lagasse and R.T. Milhouse, eds. 1981. Proceedings of the workshop on downstream river channel changes resulting from diversions or reservoir construction. Report, no. FWS/OBS-81/48. U.S. Fish and Wildlife Service, Office of Biological Services. 346 pages.
 

 Smith, G.R. 1981. Effects of habitat size on species richness and adult body size of desert fishes. Pages 125-169 in R.J. Naiman and D.L. Stoltz, eds. Fishes in North American Deserts. John Wiley and Sons, New York, New York.
 

 Smith, M.L. 1981. Late Cenozoic fishes in the warm deserts of North America: an interpretation of desert adaptation. Pages 11-38 in R.J. Naiman and D.L. Stoltz, eds. Fishes in North American Deserts. John Wiley and Sons, New York, New York.
 

 Snyder, D.E. 1981. Contributions to a guide to the cypriniform fish larvae of the upper Colorado River system. U.S. Bureau of Land Management, Biological Sciences Service. No. 3. 81 pages.
 

 Tyus, H.M. 1981. Radiotracking rare fishes, Green River, Utah. Underwater Telemetry Newsletter 11(1):11.
 

 Tyus, H.M., C.W. McAda and B.D. Burdick. 1981. Radiotelemetry of Colorado squawfish and razorback sucker, Green River system of Utah, 1980. Transactions of the American Fisheries Society of the Bonneville Chapter 1981:19-24.
 

 Tyus, H.M., E.J. Wick and D.L. Skates. 1981. Spawning migration of Colorado squawfish (Ptychocheilus lucius) in the Yampa and Green Rivers, Colorado and Utah, 1981. U.S. Fish and Wildlife Service, Vernal, Utah. 4 pages.
 

 U.S. Bureau of Reclamation. 1981. Colorado River system consumptive uses and losses report 1976-1980. U.S. Bureau of Reclamation. 41 pages.
 

 U.S. Fish and Wildlife Service. 1981. Aquatic study--Colorado River from Lee's Ferry to the southern International Boundary, and selected tributaries, Arizona, California, Nevada. Special report on distribution and abundance of fishes of the lower Colorado River. Final report. Water and Power U.S. Bureau of Reclamation, Lower Colorado River Region, Boulder City, Nevada. U.S. Fish and Wildlife Service. 278 pages.
 

 Usher, H.D. 1981. Age and growth of Grand Canyon fishes. Final report. U.S. Bureau of Reclamation Contract No 7-07-30-X. In S.W. Carothers and C.O. Minckley, eds. A Survey of the Fishes, Aquatic Invertebrates, and Aquatic Plants of the Colorado River and Selected Tributaries from Lee's Ferry to Separation Rapid.
 

 Valdez, R.A., H.M. Tyus and L.R. Kaeding. 1981. Carlin tags on Colorado River endangered fishes. Proceedings of the American Fisheries Society Bonneville Chapter 1981:78-82.
 

 Valdez, R.A., P.G. Mangan, R.P. Smith and B.C. Nilson. 1981. Upper Colorado River fisheries investigations. Draft final report. U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Valentine, J.J. 1981. Hatchery and laboratory phase of the Colorado River endangered fishes study. 7 pages.
 

 Walburg, C.H., J.F. Novotuy, K.E. Jacobs, W.D. Swink, T.M. Campbell, J. Nestler and G.E. Saul. 1981. Effects of reservoir releases on tailwater ecology: a literature review. U.S. Fish and Wildlife Service, Bowling Green, Kentucky. 189 pages.
 

 Wick, E.J., T.A. Lytle and C.M. Haynes. 1981. Colorado squawfish and humpback chub population and habitat monitoring. Progress report of Federal Aid to Endangered Wildlife. Colorado Division of Wildlife Resources, Denver. 32 pages.
 

 American Fisheries Society.  1982. Proceedings of the 17th Annual Meeting, Colorado - Wyoming Chapter. American Fisheries Society 17th Annual Meeting.
 

 Arizona Game and Fish Commission. 1982. Threatened native wildlife in Arizona. Arizona Game and Fish Department, Phoenix. 12 pages.
 

 Beamesderfer, R.C. and J.L. Congleton. 1982. Spawning behavior, habitat selection, and early history of northern squawfish with inferences to Colorado squawfish. Pages 47-127 Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Behnke, R.J. 1982. Realities and illusions of endangered species preservation. Pages 93-94 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. American Fisheries Society, Bethesda, Maryland.
 

 Behnke, R.J., C.A. Carlson, D.L. Miller, D.E. Snyder, E.J. Wick and L.D. Zuckerman. 1982. Survey and analysis of existing information on fishes in northwest Colorado. Volume 6 in D.W. Crumpacker, ed. Wildlife conservation and energy development in northwest Colorado. Ecological Services Section, Colorado Division of Wildlife, Denver. (14 volume series prepared by Northwest Colorado Wildlife Consortium).
 

 Beleau, M.H. and J.A. Bartosz. 1982. Acute toxicity of selected chemicals: data base. Pages 243-254 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Black, T. 1982. Preferred temperature of Colorado squawfish (Ptychocheilus lucius) and its relation with age and growth rate. Master's thesis, Utah State University, Logan.
 

 Bovee, K.D. 1982. Guide to stream habitat analysis using the instream flow incremental methodology. Instream Flow Information Paper No. 12. U.S. Fish and Wildlife Service, Office of Biological Services, Western Energy and Land Use Team 82(26):248.
 

 Bulkley, R.V., C.R. Berry, Jr., R. Pimentel and T. Black. 1982. Tolerance and preferences of Colorado River endangered fishes to selected habitat parameters. Pages 185-241 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Carlson, C.A. and E.M. Carlson. 1982. Review of selected literature on the upper Colorado River system and its fishes. Pages 1-8 in W.H. Miller, H.M. Tyus, and C.A. Carlson, eds. Fishes of the upper Colorado River System. Present and Future. Western Division, American Fisheries Society, Bethesda, Maryland. 131 pages.
 

 Carothers, S.W. and R. Dolan. 1982. Dam changes of the Colorado River. Natural History 91:75-83.
 

 Clemmer, G.H. 1982. Unpublished field notes pertaining to humpback chub captures. 4 pages.
 

 Colorado River Wildlife Council. 1982. Endemic amphibians and reptiles of the Colorado River system: a status report. Colorado River Wildlife Council. 44 pages.
 

 Daniels, S. 1982. Endangered fish sought for breeding. Arizona Republic, Phoenix. 5 pages.
 

 Flagg, R. 1982. Disease survey of the Colorado River fishes. Pages 177-184 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Gustaveson, A.W., T.D. Pettengill, J.R. Wahl and J.E. Johnson. 1982. Lake Powell fisheries investigations. Publication no. 82-6. Project F-28-R-10. Utah State Division of Wildilfe Resources.
 

 Hamman, R.L. 1982. Culture of endangered Colorado River fishes, Section I: induced spawning and culture of the humpback and bonytail chub hybrids. Pages 129-136 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Hamman, R.L. 1982. Culture of endangered Colorado River fishes, Section II: spawning and culture of Colorado squawfish in raceways. Pages 137-144 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Hamman, R.L. 1982. Culture of endangered Colorado River fishes, Section IV: spawning and culture of humpback chub. Pages 159-167 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Hamman, R.L. 1982. Culture of endangered Colorado River fishes, Section V: induced spawning and culture of bonytail chub. Pages 169-175 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Hamman, R.L. 1982. Induced spawning and culture of bonytail chub. Progressive Fish Culturist 44(4):201-203.
 

 Hamman, R.L. 1982. Spawning and culture of humpback chub. Progressive Fish Culturist 44:213-216.
 

 Hamman, R.L. 1982. Induced spawning of hatchery-reared of humpback chub. Progressive Fish-Culturist 44:213-216.
 

 Harper, K.C. and H.M. Tyus. 1982. White River study. Transactions of the American Fisheries Society of the Bonneville Chapter 1982:41-50.
 

 Harris, R.E., H.N. Sersland and F.P. Sharpe. 1982. Providing water for endangered fishes in the upper Colorado River system. Pages 90-92 in W.H. Miller, H.M. Tyus and C.A. Carlson, editors. Fishes of the Upper Colorado River System: Present and future. American Fisheries Society, Western Division, Bethesda, Maryland.
 

 Haynes, C., R. Muth, G. Skiba and L. Wykoff. 1982. Identification of habitat requirements and limiting factors for Colorado squawfish and humpback chubs. Project SE-3-4, Work Plan 1, Job 1. Colorado Division of Wildlife, Denver.
 

 Haynes, C.M. and R.T. Muth. 1982. Identification of habitat requirements and limiting factors for Colorado squawfish and humpback chubs (January 1, 1981 to June 30, 1982). Endangered Wildlife Investigations. 43 pages.
 

 Holden, P.B. and E. Wick. 1982. Life history and prospects for recovery of Colorado squawfish. Pages 98-108 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. Western Division, American Fisheries Society, Bethesda, Maryland.
 

 Inslee, T.D. 1982. Culture of endangered Colorado River fishes, Section III: spawning of razorback suckers. Pages 145–157 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, Salt Lake City, Utah.
 

 Inslee, T.D. 1982. Spawning and hatching of the razorback sucker (Xyrauchen texanus). Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 62:431-432.
 

 Jacobi, G.Z. and M.D. Jacobi. 1982. Fish stomach content analysis. Final report, U.S. Bureau of Reclamation Contract 9-07-40-L-1016. Pages 285-324 in W.H. Miller, J.J. Valentine, D.L. Archer, H.M. Tyus, R.A. Valdez and L.R. Kaeding, eds. Colorado River Fishery Studies, Part 3, Contracted Studies.
 

 Jacobsen, R.D. 1982. New impacts by man in the upper Colorado River basin. Pages 71-85 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. American Fisheries Society, Bethesda, Maryland.
 

 Jensen, B.L. 1982. Operation of Dexter National Fish Hatchery, an endangered fish facility. U.S. Fish and Wildlife Service, Dexter, New Mexico. 15 pages.
 

 Jensen, B.L. 1982. Annual report, fiscal year 1982. U.S. Fish and Wildlife Service, Dexter, New Mexico. 4 pages.
 

 Johnson, J.E. and J.N. Rinne. 1982. Endangered Species Act and southwest fishes.  Fisheries 7(3):2-7.
 

 Kaeding, L.R. and M.A. Zimmerman. 1982. Life history and population ecology of the humpback chub in the Little Colorado and Colorado Rivers of the Grand Canyon, Arizona. Pages 281-320 in Colorado River Fishery Project, Part 2 Field Investigations. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Kaeding, L.R. and M.A. Zimmerman. 1982. Life history and ecology of the humpback chub in the Little Colorado and Colorado rivers of the Grand Canyon, Arizona. Final Report, U.S. Bureau of Reclamation contract 9-07-40-L-1016. Pages 281-320 in W.H. Miller, J.J. Valentine, D.L. Archer, H.M. Tyus, R.A. Valdez and L.R. Kaeding, eds. Colorado River Fishery Studies, Part 3, Contracted Studies.
 

 Marsh, P.C. 1982. Influence of temperature on hatchability of ova of native Colorado River fishes. Final report, Contract Number 14-16-002-82-204. U.S. Fish and Wildlife Service, Office of Endangered Species, Albuquerque, New Mexico and Arizona State University, Tempe. 55 pages.
 

 Marsh, P.C. and M.S. Pisano. 1982. Influence of temperature on development and hatching success of native Colorado River fishes. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 62:434.
 

 Marsh, P.C. and W.L. Minckley. 1982. Fishes of the Phoenix metropolitan area in central Arizona. North American Journal of Fisheries Management 4:395-402.
 

 Miller, K.D. 1982. Colorado River Fishes Recovery Team. Pages 95-97 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. American Fisheries Society, Bethesda, Maryland.
 

 Miller, W.H. 1982. Closing remarks. Pages 130-131 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. American Fisheries Society, Bethesda, Maryland.
 

 Miller, W.H., D.L. Archer, H.M. Tyus and R.M. McNatt. 1982. Yampa River fishes study. Final report FWS-NPS, cooperative agreement 14-16-0006-81-931(1A). U.S. Fish and Wildlife Service, Salt Lake City, Utah. 78 pages.
 

 Miller, W.H., H.M. Tyus and C.A. Carlson, eds. 1982. Fishes of the Upper Colorado River System: Present and Future. Proceedings of a Symposium Presented at the Annual Meeting of the American Fisheries Society in Albuquerque, New Mexico, September 18, 1981. American Fisheries Society, Western Division, Bethesda, Maryland. 131 pages.
 

 Miller, W.H., H.M. Tyus and K.C. Harper. 1982. White River fishes study. Final report. Bureau of Land Management Contract CO910MU933. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 58 pages.
 

 Miller, W.H., J.J. Valentine, D.C. Archer, H.M. Tyus, R.A. Valdez and L.R. Kaeding. 1982. Colorado River Fishery Project, Part 3 Contracted Studies. Final report, U.S. Bureau of Reclamation Contract 9-07-40-L- 1016, and U.S. Bureau of Land Management Memorandum of Understanding CO-9l0-MU9-933. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah. 324 pages.
 

 Miller, W.H., J.J. Valentine, D.C. Archer, H.M. Tyus, R.A. Valdez and L.R. Kaeding. 1982. Colorado River Fishery Project, Part 2 Field Investigations. Final report, U.S. Bureau of Reclamation Contract 9-07-40-L-10 16, and U.S. Bureau of Land Management Memorandum of Understanding CO-910-MU9-933. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah. 36 pages.
 

 Miller, W.H., J.J. Valentine, D.C. Archer, H.M. Tyus, R.A. Valdez and L.R. Kaeding.  1982. Colorado River Fishery Project, Part 1 Summary report. Final report, U.S. Bureau of Reclamation Contract 9-07-40-L-10 16, and U.S. Bureau of Land Management Memorandum of Understanding CO-910-MU-933. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah. 42 pages.
 

 Minckley, W.L. 1982. Trophic interrelations among introduced fishes in the lower Colorado River, southwestern United States. California Fish and Game 68:78-89.
 

 Minckley, W.L. and E.S. Gustafson. 1982. Early development of the razorback sucker, Xyrauchen texanus (Abbott). Great Basin Naturalist 42(4):553-561.
 

 Mueller, G., W. Rinne, T. Burke and M. Delamore. 1982. Habitat selection of spawning razorback suckers observed in Arizona Bay, Lake Mohave, Arizona-Nevada. U.S. Bureau of Reclamation, Lower Colorado River Region, Boulder City, Nevada.
 

 National Research Council. 1982. Impacts of emerging agricultural trends on fish and wildlife habitat. U.S. Department of the Interior. 244 pages.
 

 No author. 1982. Colorado River squawfish: species range map. State and Private Forestry.
 

 Persons, W.R. and R.V. Bulkley. 1982. Feeding activity and spawning time of striped bass in the Colorado River inlet, Lake Powell, Utah. American Journal of Fisheries Management 4:403-408.
 

 Persons, W.R., R.V. Bulkley and W.R. Noonan. 1982. Movements and feeding of adult striped bass, Colorado River Inlet, Lake Powell, 1980-1981. Pages 255-274 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Persons, W.R., R.V. Bulkley and W.R. Noonan. 1982. Movements of Colorado squawfish in the Colorado River inlet of Lake Powell. Pages 275-283 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Prewitt, C.G., K.A. Voos and T. Waddle. 1982. lFG study of physical-chemical habitat conditions on the Green and Colorado Rivers in Colorado and Utah. Pages 1-45 in Colorado River Fishery Project, Part 3 Contracted Studies. Final report. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Radant, R.D. 1982. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Performance report SE-2(CO-OP), July 1, 1981 - September 30, 1982. Utah Division of Wildlife Resources, Salt Lake City.
 

 Radant, R.D. 1982. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Performance report SE-2(CO-OP), July 1, 1981 - July 1, 1982. Utah Division of Wildlife Resources, Salt Lake City. 3 pages.
 

 Radant, R.D., J.S. Cranney and R.G. Ruesink. 1982. Colorado squawfish investigations on the White River, Utah. Progress report. Utah Division of Wildlife Resources, Salt Lake City.
 

 Schmidt, B.R. and S. Braton. 1982. Flaming Gorge Reservoir fisheries investigations, 1981 annual report. Publication No. 82-12, Dingell-Johnson Project F-28-R-10. Utah Department of Natural Resources and Energy, Salt Lake City. 53 pages.
 

 Shields, R.H. 1982. Fishes of the upper Colorado River basin: political and resource consideration. Pages 9-11 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. American Fisheries Society, Bethesda, Maryland.
 

 Skogerboe, G.V. 1982. Physical environment of the Colorado River basin. Water Supply and Management 6(12):11-27.
 

 Smith, G.R. 1982. Catalog of water and energy development projects in the upper Colorado River basin. U.S. Fish and Wildlife Service, Denver, Colorado. 131 pages.
 

 Spear, M. 1982. Memorandum: Formal section 7 consultation on the proposed Hoover powerplant modification project. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 4 pages.
 

 Stepanova, N.A. 1982. Comparative evaluation of the repellant and attractive effects of electrical and acoustic fields for the Baltic Herring, Clupea harengus membras. Journal of Ichthyology 22(3):134-140.
 

 Theurer, F.D., K.A. Voos and C.G. Prewitt. 1982. Application of IFG's instream water temperature model in the upper Colorado River. American Water Resources Association. Proceedings of the International Symposium on Hydrometeorology, Denver, Colorado,1982.
 

 Tyus, H.M. 1982. Fish radiotelemetry: theory and application for high conductivity rivers. U.S. Fish and Wildlife Service, Washington, D.C.
 

 Tyus, H.M., B.D. Burdick, R.A. Valdez, C.M. Haynes, T.A. Lytle and C.R. Berry. 1982. Fishes of the upper Colorado River basin: distribution, abundance, and status. Pages 12-70 in W.H. Miller, H.M. Tyus, and C.A. Carlson, eds. Fishes of the upper Colorado River system: present and future. Western Division, American Fisheries Society, Bethesda, Maryland. 131 pages.
 

 Tyus, H.M., C.W. McAda and B.D. Burdick. 1982. Green River fishes investigations. Final report, U.S. Bureau of Reclamation contract 9-07-40-L-1016. Pages 1-100 in W.H. Miller, J.J. Valentine, D.L. Archer, H.M. Tyus, R.A. Valdez and L.R. Kaeding, eds. Colorado River Fishery Studies, Part 2 Field Investigations, Contracted Studies.
 

 Tyus, H.M., C.W. McAda and B.D. Burdick. 1982. Green River field investigations: 1979-1981. Pages 1-99 in Colorado River Fishery Project, Part 2 Field Investigations. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 U.S. Army Corps of Engineers. 1982. Taylor Draw Reservoir project environmental impact statement. Final report. U.S. Army Corp of Engineers, Sacramento District. 150 pages.
 

 U.S. Bureau of Land Management. 1982. Environmental impact statement White River dam project. Final. U.S. Bureau of Land Management, Vernal District Office, Utah. 379 pages.
 

 U.S. Fish and Wildlife Service. 1982. Colorado River Fishery Project report, contract no. 9-07-40-L-1016. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Salt Lake City.
 

 Ulmer, L. 1982. Results of trammel netting at Senator Wash Reservoir. State of California, Department of Fish and Game, Blythe, California.
 

 Valdez, R.A. and B.A. Nilson. 1982. Radiotelemetry as a means of assessing movement and habitat selection of humpback chub. Proceedings of the American Fisheries Society Bonneville Chapter. Pages 29-40.
 

 Valdez, R.A. and G.H. Clemmer. 1982. Life history and prospects for recovery of the humpback chub and bonytail chub. Pages 109-119 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Colorado River System: Present and future. Western Division, American Fisheries Society, Bethesda, Maryland.
 

 Valdez, R.A., P. Mangan, M. McInery and R.P. Smith. 1982. Tributary report: fishery investigations of the Gunnison and Dolores Rivers. Pages 321-362 in Colorado River Fishery Project, Part 2 Field Investigations. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Valdez, R.A., P. Mangan, R. Smith and B. Nilson. 1982. Upper Colorado River Investigation (Rifle, Colorardo to Lake Powell, Utah). Pages 101-279 in Colorado River Fishery Project, Part 2 Field Investigations. U.S. Fish and Wildlife Service, U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Veenhuis, J.E. and D.E. Hillier. 1982. Impact of reservoir-development alternatives on streamflow quantity in the Yampa River Basin, Colorado and Wyoming. U.S. Geological Survey, Lakewood, Colorado. 72 pages.
 

 Wick, E.J., C.W. McAda and R.V. Bulkley. 1982. Life history and prospects for recovery of the razorback sucker. Pages 120-126 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. American Fisheries Society, Bethesda, Maryland.
 

 Wydoski, R.S. 1982. Concerns about the status and protection of endemic fishes, especially threatened and endangered species: synthesis of a panel discussion. Pages 127-129 in W.H. Miller, H.M. Tyus and C.A. Carlson, eds. Fishes of the Upper Colorado River System: Present and Future. American Fisheries Society, Bethesda, Maryland.
 

 Adams, V.D. and V.A. Lamarra, eds. 1983. Aquatic Resources Management of the Colorado River Ecosystem. Proceedings of the 1981 Symposium on the Aquatic Resources Management of the Colorado River Ecosystem, November 16-18, Las Vegas, Nevada. Ann Arbor Science Publishers, Ann Arbor, Michigan. 697 pages.
 

 American Fisheries Society. 1983. Proceedings of the 18th Annual Meeting, Colorado - Wyoming Chapter. American Fisheries Society 18th Annual Meeting, Laramie, Wyoming.
 

 Bulkley, R.V. and R. Pimental. 1983. Temperature preference and avoidance of razorback suckers and management implications. Encyclia 60:150.
 

 Bulkley, R.V. and R. Pimental. 1983. Temperature preference and avoidance by adult razorback suckers. Transactions of the American Fisheries Society 112(5):601-607.
 

 Carter, J.G. and V.A. Lamarra. 1983. Environmental management: a data based ecosystem approach from the oil shale industry. Journal of Environmental Management 17(1):17-34.
 

 Colorado River Wildlife Council. 1983. Minutes Colorado River Fish & Wildlife Council, Showboat Hotel, Las Vegas, Nevada, Albuquerque, New Mexico. Colorado River Wildlife Council.
 

 Fuiman, L.A. 1983. Growth gradients in fish larvae (Catostomus commersoni, Catostomus latipinnis, Covesius plumbeus, Osmerus mordax, Percina caprodes). Journal of Fish Biology 23:117-123.
 

 Haynes, C.M. 1983. Identification of habitat requirements and limiting factors for Colorado squawfish and humpback chubs. Job progress report. (Project # CO N-2-R (SE-3)/Wk.p1. 02/Job 01). Colorado Division of Wildlife, Fort Collins.
 

 Haynes, C.M. and R.T. Muth. 1983. Overview of early life history research of upper Colorado River fishes, Utah and Colorado. American Fisheries Society 7th Annual Larval Fish Conference, Colorado State University, Fort Collins.
 

 Haynes, C.M., G.T. Skiba, C.A. Carlson and R.T. Muth. 1983. Identification of habitat requirements and limiting factors for Colorado squawfish and humpback chubs. Colorado Division of Wildlife, Denver. 10 pages.
 

 Hickman, T.J. 1983. Effects of habitat alteration by energy resource developments in the upper Colorado River basin on endangered fishes. Aquatic resources management of the Colorado River ecosystem. Pages 537-550 in V.D. Adams and V.A. Lamarra, eds. Aquatic Resources Management of the Colorado River Ecosystem. Ann Arbor Science Publishing, Ann Arbor, Michigan.
 

 Holden, P.B. 1983. Status and preferred habitat of the rare fishes of the Green River, Utah. Proceedings of the Desert Fishes Council 9:314.
 

 Inslee, T.D. 1983. Spawning and hatching of Colorado squawfish (Ptychocheilus lucius). U.S. Fish and Wildlife Service, Dexter National Fish Hatchery, New Mexico. 17 pages.
 

 Jensen, B.L. 1983. Culture techniques for selected Colorado River imperiled fishes. U.S. Fish and Wildlife Service, Dexter National Fish Hatchery, Dexter, New Mexico. 12 pages.
 

 Jensen, B.L. 1983. Annual report, fiscal year 1983. U.S. Fish and Wildlife Service, Dexter, New Mexico. 9 pages.
 

 Kaeding, L.R. and M.A. Zimmerman. 1983. Life history and ecology of the humpback chub in the Little Colorado and Colorado rivers of the Grand Canyon. Transactions of the American Fisheries Society 112:577-594.
 

 McAda, C.W. 1983. Colorado squawfish, Ptychocheilus lucius (Cyprinidae), with a channel catfish, Ictalurus punctatus (Ictaluridae), lodged in its throat. Southwestern Naturalist 28(1):119-120.
 

 McAda, C.W. and R.S. Wydoski. 1983. Maturity and fecundity of the bluehead sucker, Catostomus discobolus (Catostomidae), in the Upper Colorado River basin 1975-76. Southwestern Naturalist 28(1):120-123.
 

 Medel-Ulmer, L. 1983. Movement and reproduction of the razorback sucker (Xyrauchen texanus) inhabiting Senator Wash Reservoir, Imperial County, California. Proceedings of the Desert Fishes Council 12:106.
 

 Miller, W.H., H.M. Tyus and C.W. McAda. 1983. Movement, migration and habitat preferences of radiotelemetered Colorado squawfish, Green, White and Yampa Rivers, Colorado and Utah. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 39 pages.
 

 Miller, W.H., H.M. Tyus and L.R. Kaeding. 1983. Colorado River Fishes Monitoring Project, first annual report. U.S. Fish and Wildlife Service and U.S. Bureau of Reclamation, Salt Lake City, Utah. 23 pages.
 

 Miller, W.H., L.R. Kaeding and H.M. Tyus. 1983. Windy-gap fishes study. First annual report. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 39 pages.
 

 Minckley, W.L. 1983. Status of the razorback sucker, Xyrauchen texanus (Abbott), in the Lower Colorado River basin. Southwestern Naturalist 28(2):165-187.
 

 Montana Department of Fish, Wildlife and Parks. 1983. Kootenai River fisheries investigations. Final completion report. Montana Department of Fish, Wildlife and Parks and U.S. Army Corps of Engineers.
 

 Mpoame, M. and J.N. Rinne. 1983. Parasites of some fishes native to Arizona and New Mexico. Southwestern Naturalist 28:399-405.
 

 Ono, R.D., J.D. Williams and H. Wagner. 1983. Vanishing fishes of North America. Stone Wall Press, Inc., Washington, D.C. Pages 92-94.
 

 Pimental, R. and R.V. Bulkley. 1983. Concentrations of total dissolved solids preferred or avoided by endangered Colorado River fishes (Ptychocheilus lucius, Gila cypha, G. elegans). Transactions of the American Fisheries Society 112(5):595-600.
 

 Pimentel, R. and R.V. Bulkley. 1983. Response of Colorado squawfish to channel catfish as prey in an aquarium. Utah State University, Utah Cooperative Fishery Research Unit, Logan. 14 pages.
 

 Radant, R.D. 1983. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Progress report SE-2(CO-OP), October 1, 1981 - December 31, 1983. Utah Division of Wildlife Resources, Salt Lake City. 4 pages.
 

 Radant, R.D., J.S. Cranney, R.G. Ruesink and K. Rose. 1983. Colorado squawfish investigations on the White River, Utah. Final report. Utah Division of Wildlife Resources, Salt Lake City. 39 pages.
 

 Rosenfeld, M.J. 1983. Use of chromosomes in fisheries biology population species discrimination in chubs (genus Gila). Proceedings of the Bonneville Chapter, American Fisheries Society 1983:9-17.
 

 Schmitt, C.J., M.A. Ribick, J.L. Ludke and T.V. May. 1983. National pesticide monitoring program: organochlorine residues in freshwater fish 1976-79. Resource publication 152. U.S. Fish and Wildlife Service. 62 pages.
 

 Smith, G.R. 1983. Notes and keys for identification of upper Colorado River basin Gila. Draft. U.S. Fish and Wildlife Service. 5 pages.
 

 Tyus, H.M. 1983. Evidence for homing in Colorado squawfish, Ptychocheilus lucius. Proceedings of the Desert Fishes Council 15:303-309.
 

 U.S. Bureau of Land Management and U.S. Fish and Wildlife Service. 1983. Federal oil shale management program, Colorado, Utah, and Wyoming. U.S. Bureau of Land Management, Denver, Colorado.
 

 U.S. Bureau of Land Management. 1983. Environmental impact statement Clear Creek shale oil project Grand Junction, Colorado. Final. U.S. Bureau of Land Management.
 

 U.S. Environmental Protection Agency. 1983. Hazardous waste land treatment. U.S. Environmental Protection Agency, Office of Research and Development, Municipal Environmental Research Laboratory. 671 pages.
 

 U.S. Fish and Wildlife Service. 1983. Brief on Colorado River endangered fishes, water development. U.S. Fish and Wildlife Service, Section 7 Consultation. 7+ pages.
 

 U.S. State and Private Forestry.  1983. Bonytail chub: species range map. U.S. State and Private Forestry, Santa Fe, New Mexico.
 

 U.S. State and Private Forestry.  1983. Humpback chub: species range map. U.S. State and Private Forestry, Santa Fe, New Mexico.
 

 Valdez, R.A. and E.J. Wick. 1983. Natural versus manmade backwaters as native fish habitat. Pages 519-536 in V.D. Adams and V.A. Lamarra, eds. Aquatic Resources Management of the Colorado River Ecosystem. Ann Arbor Science Publishing, Ann Arbor, Michigan.
 

 Valentine, J.J. 1983. Colorado River endangered fish hatchery feasibility study. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 47 pages.
 

 Wick, E.J., D.L. Stoneburner and J.A. Hawkins. 1983. Observations on the ecology of Colorado squawfish (Ptychocheilus lucius) in the Yampa River, Colorado, 1982. Colorado State University Water Resources and Field Support Lab, Denver and Colorado Division. of Wildlife, Fort Collins. 55 pages.
 

 Wick, E.J., D.L. Stoneburner and J.A. Hawkins. 1983. Observation on the ecology of Colorado squawfish (Ptychocheilus lucius) in the Yampa River, Colorado, 1982. National Park Service Water Resources Field Support Laboratory, Fort Collins, Colorado. 55 pages.
 

 American Fisheries Society. 1984. Proceedings of the 19th Annual Meeting, Colorado - Wyoming Chapter. American Fisheries Society 19th Annual Meeting, Fort Collins, Colorado.
 

 Annear, T.C. and A.L. Conder. 1984. Relative bias of several fisheries instream flow methods. North American Journal of Fisheries Management 4(4B):531-539.
 

 Anonymous. 1984. Upper Colorado River basin study, stream channel stability at Phabsim Sites. 26 pages.
 

 Archer, D.L. and H.M. Tyus. 1984. Colorado squawfish spawning study, Yampa River. Final report. U.S. Fish and Wildlife Service and National Park Service, Salt Lake City, Utah. 34 pages.
 

 Archer, D.L., H.M. Tyus, L.R. Kaeding, C.W. McAda and B.D. Burdick. 1984. Colorado River Fishes Monitoring Project, second annual project.  U.S. Fish and Wildlife Service, Salt Lake City, Utah. 31 pages.
 

 Berry, C.R., Jr. 1984. Hematology of four rare Colorado River fishes. Copeia 3:790-793.
 

 Berry, C.R., Jr. 1984. Homing instinct of Colorado squawfish as determined by olfactory response. Utah State University, Utah Cooperative Fishery Research Unit, Logan.
 

 Boyle, J., K. Covay and D.P. Bauer. 1984. Quantity and quality of streamflow in the White River Basin, Colorado and Utah. U.S. Geological Survey, Lakewood, Colorado. 84 pages.
 

 Bozek, M.A. 1984. Factors affecting the reproductive success of razorback suckers and bonytail chubs in Lake Mohave, Arizona-Nevada during 1982-1983. Master's thesis, University of Nevada, Las Vegas. 147 pages.
 

 Bozek, M.A., L.J. Paulson and J.E. Deacon. 1984. Factors affecting reproductive success of bonytail chubs and razorback suckers in Lake Mohave. Final report. Contract 14-16-0002-81-251. U.S. Fish and Wildlife Service, Albuquerque, New Mexico, and University of Nevada, Las Vegas. 136 pages.
 

 Brooks, J. 1984. Memorandum: Razorback sucker stocking. Arizona Game and Fish Department, Phoenix.
 

 Brooks, J.E. 1984. Memorandum: Regarding management goals necessary to maintain the native ichthyofauna of Arizona. Arizona Game and Fish Department, Phoenix. 6 pages.
 

 Brooks, J.E. and C.O. Minckley. 1984. Observations on Gila cypha in the Little Colorado River, Grand Canyon. Proceedings of the American Fisheries Society Arizona-Nevada Chapter.
 

 Cinnamon, S.K. 1984. Gila cypha and the water quality of the Little Colorado River. 
 

 Colorado River Wildlife Council. 1984. Minutes Colorado River Fish & Wildlife Council, Imperial Palace Hotel, Las Vegas, Nevada. Colorado River Wildlife Council.
 

 Deacon, J.E. and J.E. Williams. 1984. Annotated list of the fishes of Nevada. Proceedings of the Biological Society of Washington 97(1):103-118.
 

 Elliot, J.G., J.E. Kircher and P. Von Guerard. 1984. Sediment transport in the lower Yampa River, northwestern Colorado. U.S. Geological Survey, Open-File Services Section, Denver, Colorado. 44 pages.
 

 Emery, L. 1984. Physiological effects of electrofishing. California-Nevada Wildlife Transactions.
 

 Haynes, C.M. and R.T. Muth. 1984. Identification of habitat requirements and limiting factors for Colorado squawfish and humpback chubs. Research report N-2-R-2, (SE-3). Colorado Division of Wildlife, Denver. 24 pages.
 

 Haynes, C.M., T.A. Lytle, E.J. Wick and R.T. Muth. 1984. Larval Colorado squawfish (Ptychocheilus lucius girard) in the upper Colorado River basin, Colorado 1979-1981. Southwestern Naturalist 29(1):21-33.
 

 Helbig, V. 1984. Yampa River spawning habitat investigations. 23 pages.
 

 Jensen, B.L. 1984. Annual report, fiscal year 1984. U.S. Fish and Wildlife Service, Dexter, New Mexico. 10 pages.
 

 Malek, M. and G. McCallister. 1984. Incidence of the leech Helobdella stagnalis on the Colorado River in west central Colorado. Great Basin Naturalist 44(2):361-362.
 

 McAda, C.W. and H.M. Tyus. 1984. Resource overlap of age-0 Colorado squawfish with other fish species in the Green River, 1980. Transactions of the American Fisheries Society of the Bonneville Chapter 1984:44-54.
 

 McGinnis, S.M. 1984. Freshwater fishes of California. University of California Press, Berkeley. 316 pages.
 

 Meffe, G.K. 1984. Effects of abiotic disturbance on coexistence of predator-prey fish species. Ecology 65:1525–1534.
 

 Miller, R.R. and G.R. Smith. 1984. Fish remains from Stanton's Cave, Grand Canyon of the Colorado, Arizona, with notes on the taxonomy of Gila cypha. Pages 61-65 in R.C. Euler, ed. The Archeology, Geology, and Paleobiology of Stanton's Cave. Grand Canyon National Park. Arizona. Grand Canyon Natural History Association Monograph 6. Grand Canyon.
 

 Miller, W.H., L.R. Kaeding, H.M. Tyus and C.W. McAda. 1984. Windy-gap fishes study. Second annual report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Salt Lake City, Utah. 37 pages.
 

 Mobil. 1984. Summary of technical and procedural concerns. Mobil 51 pages.
 

 No author. 1984. Rare and endangered Colorado River fishes: sensitive areas. U.S. Fish and Wildlife Service Biological Subcommittee, Upper Colorado River Basin Coordinating Committee, Denver, Colorado. 23 pages.
 

 O'Brien, J.S. 1984. Hydraulic and sediment transport investigation Yampa River Dinosaur National Monument 1983. Final report. Colorado State University (submitted to National Park Service Water Resources Lab WRFSL #83- 8), Fort Collins. 86 pages.
 

 O'Brien, J.S. 1984. Yampa River cobble reach morphology investigation 1983. Final report. Colorado State University, Fort Collins. 79 pages.
 

 O'Brien, J.S. and W.J. Miller. 1984. Yampa and Green Rivers water temperature simulation, Dinosaur National Monument. Colorado State University (submitted to National Park Service and U.S. Fish and Wildlife Service), Fort Collins. 28 pages.
 

 Paulson, L.J. and J.R. Baker. 1984. Limnology of reservoirs on the Colorado River. Technical report no. 11. University of Nevada, Las Vegas. 276 pages.
 

 Potter, J.C. 1984. Remarks before the Colorado Water Congress, Denver, Colorado, February 23, 1984. Colorado Water Congress, Denver.
 

 Radant, R.D. 1984. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Progress report SE-2(CO-OP), October 1, 1982 - September 30, 1984. Utah Division of Wildlife Resource, Salt Lake City. 4 pages.
 

 Robinson, J.M. 1984. Utilization of the instream flow incremental methodology. Instream Flow Chronicle 1(1):1-4.
 

 Roline, R.A., and D.M. Lieberman. 1984. Progress report on the lower Lake Havasu limnology and water quality study. Draft. U.S. Bureau of Reclamation, Denver, Colorado.
 

 Smith, G.R. 1984. Significance of hybridization in Chasmistes and Gila. Proceedings of the American Fisheries Society Bonneville Chapter. Pages 1-8.
 

 Snyder, D.E. 1984. Provisional key to the protolarvae and mesolarvae of Catostomus catostomus, C. commersoni, C. discobolus, C. latipinnis, C. platyrhynchus and Xyrauchen texanus. Research report. Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Snyder, D.E. and G.J. Holt. 1984. Terminology workshop report. American Fisheries Society Early Life History Section Newsletter 5(2):14-15.
 

 Theurer, F.D., K.A. Voos and W.J. Miller. 1984. Instream water temperature model. Instream flow information paper 16 FWS/OBS-84/15. U.S. Department of Agriculture, U.S. Fish and Wildlife Service, Cooperative Instream Flow Service, Group, Fort Collins, Colorado.
 

 Tyus, H.M. 1984. Loss of stream passage as a factor in the decline of the endangered Colorado squawfish. Thorne Ecological Institute Technical Publication 14:138-144.
 

 Tyus, H.M. and C.W. McAda. 1984. Migration, movements and habitat preferences of Colorado squawfish, Ptychocheilus lucius, in the Green, White and Yampa Rivers, Colorado and Utah. Southwestern Naturalist 29(3):289-299.
 

 Tyus, H.M., B.D. Burdick and C.W. McAda. 1984. Use of radiotelemetry for obtaining habitat preference data on Colorado squawfish. North American Journal of Fisheries Management 4(2):177-180.
 

 U.S. Environmental Protection Agency. 1984. Ambient water quality criteria for arsenic: 1984. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 72 pages.
 

 U.S. Fish and Wildlife Service. 1984. Endangered Colorado River habitat utilization curves. Draft. 48 pages.
 

 U.S. Fish and Wildlife Service. 1984. Proposed determination of experimental population status for certain introduced populations of Colorado squawfish and woundfin. Federal Register 49:14149-14152.
 

 U.S. Fish and Wildlife Service. 1984. Upper Colorado River basin technical advisory study important reach analysis. U.S. Fish and Wildlife Service, Colorado River Fishery Project. 25 + pages.
 

 U.S. Fish and Wildlife Service. 1984. Recovery plan for the endangered bonytail chub Gila elegans. U.S. Fish and Wildlife Service, Denver, Colorado. 52 pages.
 

 U.S. Fish and Wildlife Service. 1984. Upper Colorado River basin catalog of fish studies. U.S. Fish and Wildlife Service, Denver, Colorado. 70 pages.
 

 U.S. Fish and Wildlife Service. 1984. Documentation of the instream flow incremental method micro habitat analysis, Task 6. U.S. Fish and Wildlife Service.
 

 Ulmer, L. 1984. Memorandum: Razorback sucker rearing enclosure constructed in West Pond; Imperial County, CA. State of California, Department of Fish and Game, Blythe, California.
 

 Valdez, R.A. 1984. Occurrence of threatened and endangered fishes of the Colorado River in the vicinity of the proposed Jacobson Hydrology No. 1 Project. Final report, version 2. Ecosystem Research Institute, Logan, Utah.
 

 Anonymous. 1985. Comments on Colorado River flows for endangered fishes under the Colorado River Compact. Upper Colorado River Basin Compact and the Treaty with Mexico. 9 pages.
 

 Archer, D.L., L.R. Kaeding, B.D. Burdick and C.W. McAda. 1985. Study of endangered Colorado River fishes of the upper Colorado River. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 134 pages.
 

 Berry, C., R. Bulkley, D. Osmundson and V. Rosen. 1985. Survival of stocked Colorado squawfish with reference to largemouth bass predation. Annual report. Utah Cooperative Fishery Research Unit, Logan. 42 pages.
 

 Berry, C.R., Jr. and R. Pimental. 1985. Swimming performances of three rare Colorado River fishes. Transactions of the American Fisheries Society 114(3):397-402.
 

 Berry, C.R., Jr. and V. Rosen. 1985. Effects of cold shock on Colorado squawfish larvae. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:168.
 

 Black, T. and R.V. Bulkley. 1985. Preferred temperature of yearling Colorado squawfish. Southwestern Naturalist 30(1):95-100.
 

 Black, T. and R.V. Bulkley. 1985. Growth rate of yearling Colorado squawfish at different water temperatures. Southwestern Naturalist 30:253-257.
 

 Brooks, J. 1985. Memorandum: Holding of endangered species at Page Springs State Fish Hatchery. Arizona Game and Fish Department, Phoenix.
 

 Brooks, J. 1985. Memorandum: Razorback sucker Xyrauchen texanus culture at Bubbling Ponds. Arizona Game and Fish Department, Phoenix.
 

 Brooks, J.E. 1985. Native fish investigations 1984-1985. Arizona Game and Fish Department, Nongame Branch. 7 pages.
 

 Brooks, J.E. and L. Riley. 1985. Microhabitat utilization by sub-adult Gila cypha in the Little Colorado River, Grand Canyon. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:233.
 

 Brooks, J.E., P.C. Marsh and W.L. Minckley. 1985. Re-introduction and monitoring of razorback sucker in the Lower Colorado River basin. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:203.
 

 Burdick, B.D. 1985. Reproductive ecology of the humpback chub and the roundtail chub in the upper Colorado River. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 1 page.
 

 Burdick, B.D. and L.R. Kaeding. 1985. Reproductive ecology of the humpback chub and the roundtail chub in the upper Colorado River.  Proceedings of the Western Association of Fish and Wildlife Agencies, and the Western Division of the American Fisheries Society. 163 pages.
 

 Carter, J.C., R.A. Valdez, R.J. Ryel and V.A. Lamarra. 1985. Fisheries habitat dynamics in the upper Colorado River. Journal of Freshwater Ecology 3(2):249-264.
 

 Chart, T.E., E. Bergersen and P. Martinez. 1985. Impact of Taylor Draw Dam and Kenney Reservoir on the fishes of the White River. Colorado Cooperative Fish and Wildlife Research Unit, Fort Collins.
 

 Cross, J.N. 1985. Distribution of fish in the Virgin River, a tributary of the lower Colorado River. Environmental Biology of Fishes 12(1):13-21.
 

 Desert Fishes Council. 1985. Proceedings of the Desert Fishes Council Volumes XIII-XV (A) Annual Symposia. Desert Fishes Council, Bishop, California. 163 pages
 

 Desert Fishes Council. 1985. Proceedings of the Desert Fishes Council Volumes XIII-XV (B) Annual Symposia. Desert Fishes Council, Bishop, California. 368 pages
 

 Getches, D.H. 1985. As wildlife goes, so goes the west. Western Association of Fish and Wildlife Agencies Annual Meeting, Snowmass, Colorado.
 

 Hall, G.E. 1985. Reservoir fishery research needs and priorities. Fisheries 10(2):3-5.
 

 Hamman, R.L. 1985. Induced spawning of hatchery-reared razorback sucker. Progressive Fish Culturist 47(3):187-189.
 

 Hamman, R.L. 1985. Induced spawning of hatchery-reared bonytail. Progressive Fish Culturist 47:239-241.
 

 Haynes, C.M. and J.R. Bennett. 1985. Relationship between the preservation of wilderness values and endangered species: a case-study from the upper Colorado River basin. Proceedings of the National Wilderness Research Conference (U.S):188-196.
 

 Haynes, C.M. and R.T. Muth. 1985. Early life history of Colorado squawfish, Ptychocheilus lucius, in the upper Green-Yampa River system, Colorado and Utah. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:167.
 

 Haynes, C.M. and R.T. Muth. 1985. Reproduction of Colorado squawfish, Ptychocheilus lucius, in the Yampa River, Colorado (1980-83). Proceedings of the Desert Fishes Council 13-15:297-298.
 

 Haynes, C.M. and R.T. Muth. 1985. Lordosis in Gila, Yampa River, Colorado. Proceedings of the Desert Fishes Council 17:83-84.
 

 Haynes, C.M., R.T. Muth and T.P. Nesler. 1985. Identification of habitat requirements and limiting factors for Colorado squawfish and humpback chubs. Final report. Federal Aid Project. SE-E-4. Colorado Division of Wildlife, Fort Collins. 100 pages.
 

 Haynes, C.M., R.T. Muth and T.P. Nesler. 1985. Identification of habitat requirements and limiting factors for Colorado squawfish and humpback chub. Final report. Colorado Division of Wildlife, Fort Collins. 62 pages.
 

 Hoar, A.R. and M.J. Erwin. 1985. Relationships between the expansion of agriculture and the reduction of natural riparian habitat in the Missouri River floodplain of northeast Montana, from 1938 to 1982. North American Symposium on Riparian Ecosystems and Their Management (see title), Reconciling Conflicting Uses, Tucson, Arizona.
 

 Hollomon, D. 1985. Preservation of instream flows in the western states. Congressional Research Service, The Library of Congress. 4 pages.
 

 Jana, B.B., G. Sarkar and G. Kundu. 1985. Pattern of physicochemical changes in the water during hatching of Indian carp eggs in a Chinese hatchery system. Aquaculture 47(1):89-96.
 

 Jensen, B.L. 1985. Annual report, fiscal year 1985. U.S. Fish and Wildlife Service, Dexter, New Mexico. 11 pages.
 

 Johnson, J.E. 1985. Reintroducing the natives: razorback sucker. Proceedings of the Desert Fishes Council 13-15:73-79.
 

 Jones, A.T. 1985. Cross section of Grand Canyon archeology: excavations at five sites along the Colorado River. Western Archeological and Conservation Center, Publications in Anthropology No. 28. 7 pages.
 

 Jones, R.L. and H.M. Tyus. 1985. Recruitment of Colorado squawfish in the Green River basin, Colorado and Utah. Proceedings of the Western Division of the American Fisheries Society 1985:159.
 

 Jones, R.L. and H.M. Tyus. 1985. Recruitment of Colorado squawfish in the Green River basin, Colorado and Utah, 1979-1984. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Kaeding, L.R., D.B. Osmundson and C.R. Berry, Jr. 1985. Temperature as a resource limiting Colorado squawfish in the upper Colorado River basin. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:147-162
 

 Kurey, W.J. 1985. Analysis of Colorado squawfish tissues of metal, organochlorine, and petroleum hydrocarbon residues. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Kurey, W.J. 1985. Organochlorine contaminants in fish of the Grand Valley (Grand Junction Area of Colorado). U.S. Fish and Wildlife Service, Grand Junction, Colorado. 11 + pages.
 

 Lamarra, V.A., M.C. Lamarra and J.G. Carter. 1985. Ecological investigations of a suspected spawning site of Colorado squawfish on the Yampa River, Utah. Great Basin Naturalist 45(1):127-140.
 

 Loudermilk, W.E. and L.C. Ulmer. 1985. Fishery inventory with emphasis on razorback sucker (Xyrauchen texanus) status in the lower Colorado River, state of California. The Resources Agency, Department of Fish and Game. 27 pages.
 

 Marsh, P.C. 1985. Effect of incubation temperature on survival of embryos of native Colorado River fishes. Southwestern Naturalist 30(1):129-140.
 

 Marsh, P.C. and W.L. Minckley. 1985. Aquatic resources of the Yuma Division, lower Colorado River. Final report. U.S. Bureau of Reclamation, Lower Colorado Region, Boulder City, Nevada. 222 pages.
 

 Mathur, D., W.H. Bason, E.J. Purdy, Jr. and C.A. Silver. 1985. Critique of the instream flow incremental methodology. Canadian Journal of Fisheries and Aquatic Sciences 42(4):825-831.
 

 McAda, C.W. and R.S. Wydoski. 1985. Growth and reproduction of the flannelmouth sucker, Catostomus latipinnis, in the upper Colorado Rive basin, 1975-1976. Great Basin Naturalist 45(2):281-286.
 

 McNatt, R.M. and D.L. Skates. 1985. Fishery investigation of the Yampa and Green rivers Dinosaur National Monument, Colorado and Utah, 1981. Proceedings of the Desert Fishes Council 13:91-100.
 

 Meffe, G.K. 1985. Predation and species replacement in American southwestern fishes. a case study. Southwestern Naturalist 30(2):173- 187.
 

 Minckley, C.O. 1985. Summary of observations on the humpback chub (Gila cypha) in the Grand Canyon Region. Proceedings of the Desert Fishes Council 13:80-82.
 

 Minckley, W.L. 1985. Native fishes and natural aquatic habitats in U.S. Fish and Wildlife Service Region II west of the continental divide. Executive summary. Arizona State University, Deparment of Zoology, Tempe. 132 + pages.
 

 Minckley, W.L. 1985. Evaluations and suggestions concerning personnel, facilities, and programs at Dexter National Fish Hatchery. Arizona State University, Tempe. 15 pages.
 

 Minckley, W.L. 1985. Memorandum: Razorback sucker monitoring effort Arizona reservoirs, March 1985. U.S. Fish and Wildlife Service, Dexter National Fish Hatchery and Technology Center, Dexter, New Mexico.
 

 Mueller, G., W. Rinne, T. Burke and M. Delamore. 1985. Habitat selection of spawning razorback suckers observed in Arizona Bay, Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 13-15:157.
 

 Muth, R.T. and S.P. Platania. 1985. Comparative morphology of the interneural bones of metalarval and early-juvenile razorback sucker (Xyrauchen texanus), bluehead sucker (Catostomus discobolus), and flannelmouth sucker (Catostomus latipinnis), from the upper Colorado River basin. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:170.
 

 Muth, R.T., C.M. Haynes and C.A. Carlson. 1985. Taxonomic identification of larval and early-juvenile Gila native to the upper Colorado River basin. Proceedings of the Western Association of Fish and Wildlife Agencies, and the Western Division of the American Fisheries Society, Snowmass, Colorado. 7 pages.
 

 Muth, R.T., C.M. Haynes and C.A. Carlson. 1985. Culture of roundtail chub, Gila robusta robusta (Cyprinidae), through the larval period.  Southwestern Naturalist 30(1):152-154.
 

 No author. 1985. Water management in transition, 1985. The Freshwater Foundation, Navarre, Minnesota. 80 pages.
 

 Osmundson, D.B. and C.R. Berry, Jr. 1985. Largemouth bass predation on stocked Colorado squawfish. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:146.
 

 Pimental, R., R.V. Bulkley and H.M. Tyus. 1985. Choking of Colorado squawfish, Ptychocheilus lucius (Cyprinidae), on channel catfish, Ictalurus punctatus (Ictaluridae), as a cause of mortality. Southwestern Naturalist 30(1):154-158.
 

 Quinn, S.P. and M.R. Ross. 1985. Nonannual spawning in the white sucker, Catostomus commersoni. Copeia 1985(3):613-618.
 

 Radant, R.D. 1985. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Progress report SE-2(CO-OP), October 1, 1984 - December 31, 1985. Utah Division of Wildlife Resources, Salt Lake City. 8 pages.
 

 Resource Consultants, Inc. 1985. Supplement to the final environmental statement Colorado-Big Thompson, Windy Gap Projects Water Marketing Program for Green Mountain Reservoir, Colorado. Draft. BIO/WEST, Inc., Logan, Utah.
 

 Resource Consultants, Inc. 1985. Biological assessment Green Mountain Reservoir water marketing program. U.S. Bureau of Reclamation, Lower Missouri Regions, Denver, Colorado. 47 pages.
 

 Roline, R.A., and D.M. Lieberman. 1985. Limnology and water quality of lower Lake Havasu during preoperation and testing of the Havasu pumping plant. U.S. Bureau of Reclamation, Engineering and Research Center, Environmental Sciences Division, Denver, Colorado. 192 pages.
 

 Rosenthal, T. 1985. FWS/OBS series annotated bibliography: complete listing and subject index. U.S. Fish and Wildlife Service. 132 pages.
 

 Scott, J. 1985. Rare bonytail found in Colorado for first time in twenty years. Colorado Wildlife Views, February 1995:2-4.
 

 Snyder, D.E. 1985. Larval fish ecology: a critical management concern. U.S. Fish and Wildlife Office of Information Transfer, Fort Collins, Colorado. Videotape.
 

 Tyus, H.M. 1985. Homing behavior noted for Colorado squawfish. Copeia 2(1):213-215.
 

 Tyus, H.M. 1985. Life history of the Colorado squawfish in the vicinity of Tusher Rapid, Lower Green River, Utah, with reference to the impact of a proposed hydropower project. U.S. Fish and Wildlife Service, Division of Endangered Species, Region 6, Denver, Colorado. 14 pages.
 

 Tyus, H.M. and W.B. Harned. 1985. Spawning and habitat use of the razorback sucker in the Green River basin, Colorado and Utah, 1979-1984. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:193-202.
 

 Tyus, H.M., E.J. Wick and D.L. Skates. 1985. Spawning migration of Colorado squawfish (Ptychocheilus lucius) in the Yampa and Green Rivers, Colorado and Utah, 1981. Proceedings of the Desert Fishes Council 13:102-108.
 

 U.S. Bureau of Reclamation. 1985. Collection of fish from the Dirty Devil Arm of Lake Powell 1984. U.S. Bureau of Reclamation. 15 pages.
 

 U.S. Department of the Interior. 1985. Quality of water, Colorado River basin. U.S. Department of the Interior, Washington, D.C. 220 pages.
 

 U.S. Environmental Protection Agency. 1985. Develoment document for effluent limitations guidelines and standards for the pesticides: point source category. U.S. Environmental Protection Agency, Office of Water Regulations and Standards, Industrical Technology Division, Washington, D.C. 608 pages.
 

 U.S. Fish and Wildlife Service. 1985. Critical assessment of PHABSIM model and the modeling effort. 60 pages.
 

 U.S. Fish and Wildlife Service. 1985. Endangered and threatened wildlife and plants: determination of experimental population status for certain introduced populations of the Colorado squawfish and woundfin. Federal Register 50(142):30188-30195.
 

 U.S. Fish and Wildlife Service. 1985. Endangered and threatened wildlife and plants: review of vertebrate wildlife; notice of review. Federal Register 50(181):37961.
 

 U.S. Fish and Wildlife Service. 1985. Comparison of captures of Colorado squawfish and razorback suckers from adjacent Colorado River reaches upstream and downstream from the confluence with the Gunnison River. Draft. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 9 pages.
 

 U.S. Fish and Wildlife Service. 1985. Preliminary conceptual approach to recovery of endangered fish species in the upper Colorado River basin. Draft. U.S. Fish and Wildlife Service. 26 pages.
 

 Ulmer, L. and K.R. Anderson. 1985. Management plan for the razorback sucker (Xyrauchen texanus) in California. California Department of Fish and Game, Region 5 Information Bulletin 0013-10-1985. 26 pages.
 

 Valdez, R.A. 1985. Evaluation of habitat utilization curves for endangered Colorado River fishes. 15 pages.
 

 Valdez, R.A. 1985. Review of the hatchery program for threatened and endangered fishes of the Colorado River. Ecosystem Research Institute, Logan, Utah.
 

 Valdez, R.A. 1985. Cataract canyon fish study (fisheries biology and rafting). Final report ERI (C046-07). Ecosystem Research Institute, Logan, Utah. 14 pages.
 

 Valdez, R.A. 1985. Significance of the Palisade to Grand Junction Reach of the Colorado River to the endangered fishes. ERI (C035-06). 14 pages.
 

 Valdez, R.A., J.G. Carter and R.J. Ryel. 1985. Drift of larval fishes in the upper Colorado River. Proceedings of the Western Association of Fish and Wildlife Agencies, and the Western Division of the American Fisheries Society. 60 pages.
 

 Wengert, M.W. 1985. Flaming Gorge Reservoir fisheries management investigations six year completion report (1977-1983). Fish Division Completion report. Wyoming Game and Fish Department. 143 pages.
 

 Wick, E.J. and J.A. Hawkins. 1985. Colorado squawfish and humpback chub population and habitat monitoring. Projects SE-5-5 and SE-5-6. Colorado Division of Wildlife NW Region Aquatic Section, Grand Junction. 4 pages.
 

 Wick, E.J., J.A. Hawkins and C.A. Carlson. 1985. Colorado squawfish and humpback chub population and habitat monitoring, 1983 and 1984. Endangered Wildlife Investigations. Final report SE 3-7. Colorado State University Larval Fish Laboratory and Colorado Department Natural Resources, Fort Collins. 57 pages.
 

 Wick, E.J., J.A. Hawkins and C.A. Carlson. 1985. Colorado squawfish and humpback chub habitat monitoring, 1981-1982. Colorado State University Larval Fish Laboratory and Colorado Division of Wildlife Report. 41 pages.
 

 Wick, E.J., J.A. Hawkins and C.A. Carlson. 1985. Colorado squawfish and humpback chub population and habitat monitoring 1983-1984. Colorado State University Larval Fish Laboratory, Fort Collins, Colorado and Colorado Divisision of Wildlife. 48 pages.
 

 Wilde, G.R., M.A. Bozek and L.J. Paulson. 1985. Factors contributing to the success of the razorback sucker in Lake Mohave, Arizona-Nevada. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 65:186-192.
 

 Williams, J.E., et al. 1985. Endangered aquatic ecosystems on North American deserts with a list of vanishing fishes of the region. Journal of the Arizona-Nevada Academy of Science 20(1):1-62.
 

 Woodling, J. 1985. Colorado's little fish: a guide to the minnows and other lesser known fishes in the state of Colorado. Colorado Division of Wildlife, Denver. 77 pages.
 

 Woodward, D.F., R.G. Riley, M.G. Henry, J.S. Meyer and T.R. Garland. 1985. Leaching of retorted oil shale: assessing the toxicity to Colorado squawfish, fathead minnows, and two food-chain organisms. Transactions of the American Fisheries Society 114(6):887-894.
 

 Wydoski, R.S. 1985. Biological review of endangered or imperiled fish in the upper Colorado River basin. Fishery Resources Program, Washington, D.C. 26 pages.
 

 American Fisheries Society. 1986. Proceedings of the 21st Annual Meeting, Colorado - Wyoming Chapter. American Fisheries Society 21st Annual Meeting, Lincoln Center, Fort Collins, Colorado.
 

 Andrews, E.D. 1986. Downstream effects of Flaming Gorge Reservoir on the Green River, Colorado and Utah. Geological Society of America Bulletin 97:1012-1023.
 

 Archer, D.L., L.R. Kaeding and H.M. Tyus. 1986. Colorado River Fishes Monitoring Project. Final report to the Bureau of Reclamation (Contract No. 2-07-40-L3083). U.S. Fish and Wildlife Service, Lakewood, Colorado. 64 pages.
 

 Berry, C.R., Jr. 1986. Effects of cold shock on Colorado squawfish larvae. Utah Cooperative Fish and Wildlife Research Unit, Logan.
 

 Bestgen, K.R. and D.L. Propst. 1986. Red shiner versus native fishes: replacement or displacement? Proceedings of the Desert Fishes Council 18:209.
 

 Brooks, J.E. 1986. Reintroduction and monitoring of Colorado squawfish (Ptychocheilus lucius) in Arizona, 1985. Arizona Game and Fish Department, Phoenix. 15 pages.
 

 Brooks, J.E. 1986. Letter to Dr. W.L. Minckley regarding comments on the minutes of the 2-3 October 1986 Desert Fishes Recovery Team meeting. U.S. Fish and Wildlife Service, Dexter, New Mexico. 2 pages.
 

 Brooks, J.E. 1986. Letter to Mr. Tom Liles of the Arizona Game and Fish Department regarding an attached list of all stocking made by Dexter National Fish Hatchery into Lake Mohave. U.S. Fish and Wildlife Service, Dexter, New Mexico. 2 pages.
 

 Brooks, J.E. 1986. Annual reintroduction and monitoring report for razorback sucker (Xyrauchen texanus), into the Gila River basin, Arizona, 1985. U.S. Fish and Wildlife Service, Office of Endangered Species, Albuquerque, New Mexico. 23 pages.
 

 California Department of Fish and Game. 1986. Fish planting receipt 10/24/1986. California Department of Fish and Game.
 

 California Department of Fish and Game. 1986. Fish planting receipt 11/25/1986. California Department of Fish and Game.
 

 Carter, J.G., V.A. Lamarra and R.J. Ryel. 1986. Drift of larval fishes in the upper Colorado River. Journal of Freshwater Ecology 3(4):567-577.
 

 Colorado River Water Conservation District. 1986. Summary of issues and preliminary hydrologic assessment of the agreement to subordinate the Shoshone Hydropower water right. 7 pages.
 

 Coppes, Z. 1986. Isozymes of glucosephosphate isomerase (PGI) in fishes of the subclass actinopterygii. Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology 84(4):575-588.
 

 Fischer, R.C. 1986. Letter to Galen Buterbaugh regarding the notice of intent to prepare an environmental assessment on Rare Fish Recovery Program ( 51 Federal Register 27256). Colorado River Water Conservation District, Denver. 2 pages.
 

 Hamman, R.L. 1986. Induced spawning of hatchery-reared Colorado squawfish. Progressive Fish Culturist 48(1):72-744.
 

 Haynes, C.M. and J.R. Bennett. 1986. Relationship between the preservation of wilderness values and endangered species: a case-study from the upper Colorado River basin, U.S.A. U.S. Forest Service General Technical Report. 212 pages.
 

 Haynes, C.M. and K. Hamilton. 1986. An annotated bibliography of the fishes of Colorado. Colorado Division of Wildlife Aquatic Research, Special Report 61:1-66.
 

 Heckmann, R.A., J.E. Deacon and P. Greger. 1986. Parasites of endangered fish species endemic to the Virgin River, Utah, Nevada, and Arizona. American Society of Parasitology Annual Meeting Program Abstracts 45:81.
 

 Heede, B.H. 1986. Designing for dynamic equilibrium in streams. Water Resources Bulletin, American Water Resources Association 22(3):351-357.
 

 Hesse, L.W., C.W. Wolfe and N.K. Cole. 1986. Biological aspects of the unchannelized Missouri River and its habitats. Forty-eight Midwest Fish and Wildlife Conference, Omaha, Nebraska. 47 pages.
 

 Holden, P.B., R.D. Hugie, L. Crist, S.B. Chanson and W.J. Masslich. 1986. Development of a fish and wildlife classification system for backwaters along the lower Colorado River. Final report. BIO/WEST, Inc., Logan, Utah.
 

 Jensen, B.L. 1986. Role of fish culture in endangered fishes recovery. Transactions of the American Fisheries Society of the Bonneville Chapter 1986:31-41.
 

 Jensen, B.L. 1986. Memorandum: Razorback sucker fry stocking - 3/31/1987. U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Jensen, B.L. 1986. Memorandum: Razorback sucker stocking summary, 1986. U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Jensen, B.L. 1986. Memorandum: Yaqui chub and bonytail chub stockings. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Jensen, B.L. 1986. Memorandum: Request for native fishes research needs. U.S. Fish and Wildlife Service, Dexter, New Mexico. 2 pages.
 

 Jensen, B.L. 1986. Annual report, fiscal year 1986. U.S. Fish and Wildlife Service, Dexter, New Mexico. 9 pages.
 

 Johnson, J.E. 1986. Memorandum: Colorado squawfish and bonytail chub for the Arizona State University Research Park. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 1 page.
 

 Johnson, J.E. 1986. Memorandum: Utilization of ponds at Buenos Aires National Wildlife Refuge for rearing native fish species. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 3 pages.
 

 Kaeding, L.R. 1986. Letter from Kaeding to Radant, Utah Division of Wildlife Resources, dated 9-11-86 re: Review of Rosenfeld's Gila reports. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Kaeding, L.R. and D.B. Osmundson. 1986. Slow growth of Colorado squawfish in the upper basin and its effect on recovery. Pages 108-118.
 

 Kaeding, L.R., B.D. Burdick, P.A. Schrader and W.R. Noonan. 1986. Recent capture of a bonytail (Gila elegans) and observations on this nearly extinct cyprinid from the Colorado River. Copeia 1986:1021-1023.
 

 Kaeding, L.R., H.M. Tyus and R.D. Burdick. 1986. Colorado River endangered fishes investigations 1985. Annual report. U.S. Fish and Wildlife Service, Division of Endangered Species, Region 6 , Denver, Colorado.
 

 Kaeding, L.R., H.M. Tyus, B.D. Burdick, R.L. Jones and C.W. McAda. 1986. Sensitive areas analysis and monitoring. Preference curve development/refinement. U.S. Fish and Wildlife Service, Colorado River Endangered Fishes Investigations, Division of Endangered Species, Region 6, Denver, Colorado. Pages 2-1 and 2-55.
 

 Ketcheson, G.L. 1986. Sediment rating equations: an evaluation for streams in the Idaho Batholith. U.S. Department of Agriculture, Forest Service, Intermountain Research Station, Ogden, Utah. 12 pages.
 

 Kohler, C.C. and W.R. Courtenay, Jr. 1986. American Fisheries Society Position on Introduction of Aquatic Species. Fisheries 11(2):29-42.
 

 Langhorst, D.R. and P.C. Marsh. 1986. Early life history of razorback sucker in Lake Mohave. Final report. U.S. Bureau of Reclamation, Lower Colorado Region, Boulder City, Nevada. 36 pages.
 

 Langowski, D. 1986. Memorandum: Stocking of endangered bonytail chub into selected ponds on the Buenos Aires National Wildlife Refuge. U.S. Fish and Wildlife Service, Phoenix, Arizona. 1 page.
 

 Larval Fishes Laboratory. 1986. Development of marking and otolith-aging techniques for Colorado squawfish: report on study. Phase 1. Colorado Division of Wildlife, Fort Collins. 16 pages.
 

 Martinez, P.J. 1986. White River Taylor Draw project pre- and post-impoundment fish community investigations. Colorado Division of Wildlife Aquatic Resources Section, Grand Junction. 121 pages.
 

 Martinez, P.J. 1986. Kenney Reservoir lake management plan. Colorado Division of Wildlife, Grand Junction. 43 pages.
 

 McCarthy, M.S. 1986. Age of imperiled razorback sucker (Pisces, Catostomidae) from Lake Mohave, Arizona-Nevada. Master’s thesis, Arizona State University, Tempe.
 

 Meffe, G.K. 1986. Conservation genetics and the management of endangered fishes. Fisheries 11(1):14-23.
 

 Minckley, W.L. 1986. Letter to Dr. James E. Johnson dated 7, January 1986 regarding the proposed reintroduction of the bonytail chub into the Gila River basin. Arizona State University Department of Zoology, Tempe. 5 pages.
 

 Minckley, W.L. 1986. Memorandum: Regarding the preliminary fisheries survey of aquatic habitats - Buenos Aires National Wildlife Refuge. Arizona State University Department of Zoology, Tempe. 5 pages.
 

 Minckley, W.L., D.A. Hendrickson and C.E. Bond. 1986. Geography of western North America freshwater fishes: description and relationships to intracontinental tectonism. Pages 519-613 in C.H. Hocutt and E.O. Wiley, eds. The Zoogeography of North American Freshwater Fishes. Wiley-Interscience, New York, New York.
 

 Moore, C.W. 1986. Mediation process practical strategies for resolving conflict. Jossey-Bass Publishers. 430 pages.
 

 Muth, R.T. and C.A. Carlson. 1986. Description and identification of larval and early-juvenile Gila native to the upper Colorado River basin. 10th Annual Larval Fish Conference, Miami, Florida. 32 pages.
 

 Nesler, T.P. 1986. Aquatic nongame research 1985-86, squawfish-humpback studies. Project No. 02-01-035, study no. SE-3. (annual progress report). Colorado Division of Wildlife, Denver. 59 pages.
 

 Ohmart, R.D., B.W. Anderson and W.C. Hunter. 1986. Ecology of the lower Colorado River from Davis Dam to the Mexico-United States international boundary: a community profile. Report 85(7.19). U.S. Fish and Wildlife Service, Washington, D.C. 296 pages.
 

 Orth, D.J. and O.E. Maughan. 1986. In defense of the instream flow incremental methodology. Canadian Journal of Fisheries and Aquatic Sciences 43:1092-1094.
 

 Osman, M.A., S.W. Ashoor and P.C. Marsh. 1986. Liquid chromatographic identification of common fish species. Journal of the Association of Official Analytical Chemists 69(2):183-187.
 

 Paddock, W.A. and W.C. Weiss. 1986. Primer on Colorado water law. State of Colorado, Natural Resources Section, Water Rights Unit. 37 pages.
 

 Radant, R.D. 1986. Colorado squawfish and humpback chub, bonytail chub and razorback sucker population and habitat monitoring Progress report SE-2(CO-OP), January 1 - June 31, 1986. Utah Division of Wildlife Resources, Salt Lake City. 3 pages.
 

 Rinne, J.N., J.E. Johnson, B.L. Jensen, A.W. Ruger and R. Sorensen. 1986. Role of hatcheries in the management and recovery of threatened and endangered fishes: fish culture in fisheries management. Pages 271-285 in R.H. Stroud, ed. Fish Culture In Fisheries Management, Proceedings of a Symposium on the Role of Fish Culture in Fisheries Management. American Fisheries Society, Fish Culture Section and Fisheries Management Section, Bethesda, Maryland.
 

 Rosenfeld, M.J. 1986. Preliminary electrophoretic study of the Colorado River chub (Pisces: Cyprinidae, Genus Gila) complex. University of Utah, Salt Lake City. 36 pages.
 

 Rosenfeld, M.J. 1986. Morphometry in chubs of the genus Gila from the Green and Colorado Rivers, Colorado and Utah. Principal component analysis. Utah Museum of Natural History, Salt Lake City. 38 pages.
 

 Spear, M. 1986. Letter and permit to Dr. W.L. Minckley granting permission to take, hold, maintain, and propagate certain endangered fishes. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 2 pages.
 

 Stanford, J.A. and J.V. Ward. 1986. Fish of the Colorado system. Pages 385-403 in B.R. Davies and K.F. Walker, eds. The Ecology of River Systems. Dr. W. Junk, Publishers, Dordrecht, The Netherlands.
 

 Tyus, H.M. 1986. Life strategies in the evolution of the Colorado squawfish (Ptychocheilus lucius). Great Basin Naturalist 46(4):656-661.
 

 Tyus, H.M. 1986. Acquisition of habitat preference data by radiotelemetry. U.S. Fish and Wildlife Service, Fort Collins, Colorado. 29 pages.
 

 Tyus, H.M. 1986. Letter to W.L. Minckley enclosing a copy of the agenda for 1987 fiscal year work plans. U.S. Fish and Wildlife Service, Vernal, Utah.
 

 Tyus, H.M., R.A. Valdez and R.D. Williams. 1986. Status of endangered fishes in the upper Colorado River, 1985. Proceedings of the American Fisheries Society Bonneville Chapter 1986:20-30.
 

 U.S. Army Corps of Engineers. 1986. Redlands Dam fishway feasibility study, Gunnison River, Colorado. Final report to U.S. Fish and Wildlife Service. U.S. Army Corp of Engineers.
 

 U.S. Bureau of Reclamation. 1986. Uprating existing generators, Flaming Gorge Powerplant. U.S. Bureau of Reclamation, Colorado River Storage Project Final Environmental Assessment. 2 pages.
 

 U.S. Bureau of Reclamation. 1986. Environmental impact statement Grand Valley Unit, Stage Two, Colorado River basin salinity control project, Mesa County, Colorado. Final. U.S. Bureau of Reclamation, Salt Lake City, Utah. 217 pages.
 

 U.S. Environmental Protection Agency. 1986. Quality criteria for water, 1986. U.S. Environmental Protection Agency, Office of Water, Regulations and Standards, Washington, D.C. 450 pages.
 

 U.S. Environmental Protection Agency. 1986. Ambient water quality criteria for dissolved oxygen. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 62 pages.
 

 U.S. Fish and Wildlife Service. 1986. Recovery implementation program for endangered fish species in the upper Colorado River basin. U.S. Fish and Wildlife Service, Denver, Colorado. Six Sections - Various Pagination.
 

 Valdez, R.A., R.J. Ryel and R. Williams. 1986. Endangered fishes of Cataract Canyon: the importance of the Colorado River above Lake Powell to the Colorado squawfish, humpback chub, and bonytail. U.S. Bureau of Reclamation and Ecosystems Research Institute, Logan, Utah.
 

 WBLA 1986. Curecanti minimum stream flow water rights study. Draft. WBLA (prepared for the Nature Conservancy). 39 + pages.
 

 Wick, E.J., J.A. Hawkins and C.A. Carlson. 1986. Colorado squawfish population and habitat monitoring, 1985. Final report SE 3-8. Colorado Division of Wildlife, Denver.
 

 Wick, E.J., J.A. Hawkins and C.A. Carlson. 1986. Colorado squawfish and humpback chub population and habitat monitoring. Final Report SE-3-8. Colorado Division of Wildlife, Denver. 21 pages.
 

 American Fisheries Society. 1987. Proceedings of the 22nd Annual Meeting, Colorado - Wyoming Chapter. American Fisheries Society 22nd Annual Meeting, Laramie, Wyoming.
 

 Bestgen, K.R., D.A. Hendrickson, D.M. Kubly and D.L. Propst. 1987. Movements and growth of fishes in the Gila River Drainage, Arizona and New Mexico. Southwestern Naturalist 32:351-356.
 

 Brooks, J.E. 1987. Differing perspectives on razorback sucker management in the upper and Lower Colorado River basins. Proceedings of the Desert Fishes Council 17:179-180.
 

 Brooks, J.E. 1987. Letter to Dr. W.L. Minckley regarding the upcoming 1988 Lake Mohave sampling. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Buth, D.G., R.W. Murphy and L. Ulmer. 1987. Population differentiation and introgressive hybridization of the flannelmouth sucker and of hatchery and native stocks of the razorback sucker. Transactions of the American Fisheries Society 116(1):103-110.
 

 California Department of Fish and Game. 1987. Fish planting receipt 10/1/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 11/17/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 2/9/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 3/30/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 5/7/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 6/12/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 6/17/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 6/23/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 8/13/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 8/18/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 9/10/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 9/18/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 9/4/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 9/8/1987. California Department of Fish and Game.
 

 California Department of Fish and Game. 1987. Fish planting receipt 6/2/1987. California Department of Fish and Game. 4 pages.
 

 California Department of Fish and Game. 1987. Fish planting receipt 3/31/1987. California Department of Fish and Game. 8 pages.
 

 Carothers, S.W. 1987. Wildlife of the Colorado Plateau. Plateau 57(4):13-34.
 

 Chart, T.E. 1987. Initial effect of impoundment on the fish community of the White River, Colorado. Master's thesis, Colorado State University, Fort Collins. 112 pages.
 

 Colorado River Storage Project. 1987. Colorado River storage project and participating projects in fiscal year 1986: 30th annual report. Colorado River Storage Project, Washington, D.C. 38 pages.
 

 Colorado River Wildlife Council. 1987. Minutes Colorado River Fish & Wildlife Council, Flamingo Hilton Hotel, Las Vegas, Nevada. Colorado River Wildlife Council.
 

 Deacon, J.E. and P. Greger. 1987. Food partitioning among fishes of the Virgin River. Proceedings of the Desert Fishes Council 16:43.
 

 Deacon, J.E., P.B. Schumann and E.L. Stuenkel. 1987. Thermal tolerances and preferences of fishes of the Virgin River System (Utah, Arizona, Nevada). Great Basin Naturalist 47(4):538-546.
 

 Desert Fishes Council. 1987. Proceedings of the Desert Fishes Council Volume XIX Annual Symposium. Desert Fishes Council, Bishop, California. 182 pages.
 

 Desert Fishes Council. 1987. Proceedings of the Desert Fishes Council Volumes XVI-XVIII Annual Symposia. Desert Fishes Council, Bishop, California. 254 pages.
 

 Dexter National Fish Hatchery. 1987. Dexter NFH stocking trip record 87. Dexter National Fish Hatchery.
 

 Dexter National Fish Hatchery. 1987. Dexter NFH stocking trip record 87-07. Dexter National Fish Hatchery.
 

 Dexter National Fish Hatchery. 1987. Dexter NFH stocking trip record 87-08. Dexter National Fish Hatchery.
 

 Dexter National Fish Hatchery. 1987. Dexter NFH stocking trip record 87-09. Dexter National Fish Hatchery.
 

 Eisler, R. 1987. Polycyclic aromatic hydrocarbon hazards to fish, wildlife, and invertebrates: a synoptic review. Contaminant Hazard Reviews Series. 81 pages.
 

 Eisler, R. 1987. Mercury hazards to fish, wildlife, and invertebrates: a synoptic review. Contaminant Hazard Reviews Series. 90 pages.
 

 Emery, L. and R. Wydoski. 1987. Marking and tagging of aquatic animals: an indexed bibliography. U.S. Fish and Wildlife Service, Washington, D.C. 57 pages.
 

 Ferriole, S. 1987. Wildlife resource information system: Colorado squawfish mapping criteria for the Colorado, Dolores, Gunnison, Green, White, and Yampa Rivers. Colorado Division of Wildlife, Grand Junction.
 

 Green, B. and M. Butler. 1987. Analysis of channel maintenance and flushing flows in the Colorado River at the Palisade Habitat Site (Appendix B). No source.
 

 Green, S.L. and J.R. Schuetz. 1987. Water-resources activities of the U.S. Geological Survey in Wyoming, Fiscal Years 1986 and 1987. U.S. Geological Survey, Cheyenne, Wyoming. 118 pages.
 

 Hamill, J. 1987. Letter to W.L. Minckley regarding the updating of the Colorado squawfish, humpback chub, bonytail chub recovery plans. U.S. Fish and Wildlife Service, Denver, Colorado. 26 pages.
 

 Hamman, R.L. 1987. Survival of razorback suckers cultured in earthen ponds. Progressive Fish Culturist 49(2):138-140.
 

 Heckman, R.A., P.D. Greger and J.E. Deacon. 1987. New host records for the Asian tapeworm, Bothriocephalus acheilognathi, in endangered fish species from the Virgin River, Utah, Nevada and Arizona, USA. Journal of Parasitology 73(1):226-227.
 

 Hendrickson, D. 1987. Colorado River squawfish. Wildlife Views 30(2):18.
 

 Hendrickson, D.A. 1987. Minutes of the Desert Fishes Recovery Team meeting for December 10-11, 1987. Arizona Game and Fish Department, Phoenix. 7 pages.
 

 Hendrickson, D.A. and J.E. Brooks. 1987. Colorado River squawfish reintroduction studies. Proceedings of the Desert Fishes Council 18:207-208.
 

 Hiebert, S.D. and S.J. Grabowski. 1987. Parker II Aquatic Study Final report of field studies from 1983 to 1985. U.S. Bureau of Reclamation, Engineering and Research Center, Applied Sciences Branch, Environmental Sciences Section, Denver, Colorado. 139 pages.
 

 Jensen, B.L. 1987. Annual narrative report, calendar year 1987. U.S. Fish and Wildlife Service, Dexter, New Mexico. 27 pages.
 

 Jensen, B.L., J.E. Brooks, et al. 1987. Annual report, fiscal year 1987. U.S. Fish and Wildlife Service, Dexter, New Mexico. 30 pages.
 

 Johnson, J.E. 1987. Protected fishes of the United States and Canada. American Fisheries Society (Bethesda). 41 pages.
 

 Johnson, J.E. 1987. Reintroducing the natives: Colorado squawfish and woundfin. Proceedings of the Desert Fishes Council 17:118-124.
 

 Johnson, J.E., R.P. Kramer, E. Larson and B.L. Bonebrake. 1987. Flaming Gorge tailwater fisheries investigations: trout growth, harvest, survival, and microhabitat selection in the Green River, Utah, 1978-82. Final report. Publication 87-13. Department of Natural Resources, Salt Lake City, Utah. 185 pages.
 

 Johnson, K. and M. Oberholtzer. 1987. Investigations into possible occurrence of Colorado squawfish (Ptychocheilus lucius) and other federally threatened or endangered fish species in the lower Green River drainage and the Little Snake River drainage of Wyoming. Administrative report, Project Wyoming Game and Fish Department, Cheyenne. 12 pages.
 

 Kaeding, L.R. and D.B. Osmundson. 1987. Studies of endangered Colorado River fishes: conservation measures for the Green Mountain and Ruedi Reservoir water sales. Annual progress report. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 30 pages.
 

 Kapuscinski, A.R. and L.D. Jacobson. 1987. Genetic guidelines for fisheries management. Department of Fisheries and Wildlife, St. Paul, Minnesota. 66 pages.
 

 Kepner, W.G. 1987. Minutes of the Desert Fishes Recovery Team meeting, April 1-2, 1987. U.S. Fish and Wildlife Service, Phoenix, Arizona. 4 pages.
 

 Koppes, S. 1987. Wanted: endangered Arizona fishes for future generations. Arizona State University Research Park News, Tempe. 1 page.
 

 Lamb, B.L. and H. Doerkson. 1987. Instream water use in the United States: water laws and methods for determining flow requirements. National Water Summary 1987 water supply and use. Pages 109-116.
 

 Langhorst, D.R. 1987. Larval razorback sucker, Xyrauchen texanus, in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 17:164-165.
 

 Maddux, H.R., D.M. Kubly, J.C. deVos, Jr., W.R. Persons, R. Staedike and R.L. Wright. 1987. Effects of varied flow regimes on aquatic resources of Glen and Grand Canyons. Final report, U.S. Bureau of Reclamation Contract 4-AG-40-01810. Arizona Game and Fish Department, Phoenix. 291 pages.
 

 Marsh, P.C. 1987. Native fishes at Buenos Aires National Wildlife Refuge and Arizona State University Research Park, Arizona: opportunities for management, research and public education on endangered species. Proceedings of the Desert Fishes Council 19:67-78.
 

 Marsh, P.C. 1987. Digestive tract contents of adult razorback suckers in Lake Mohave, Arizona-Nevada. Transactions of the American Fisheries Society 116(1):117-119.
 

 Marsh, P.C. 1987. Food of adult razorback sucker in Lake Mohave, Arizona-Nevada. Transactions of the American Fisheries Society 116:117-119.
 

 Marsh, P.C. and S.G. Fisher. 1987. Metabolism of an arid region canal ecosystem. Journal of Arid Environments 12:255-267.
 

 Marsh, P.C. and W.L. Minckley. 1987. Aquatic resources of the Yuma Division, lower Colorado River. Final report, Phase II. U.S. Bureau of Reclamation, Lower Colorado Region, Boulder City, Nevada. 200 pages.
 

 Martinez, P.J. 1987. Pursuing a sport fishery for endangered Colorado squawfish. Proceedings of the Desert Fishes Council 18:246.
 

 Matthews, W.J. and D.C. Heins. 1987. Community and Evolutionary Ecology of North American Stream Fishes. University of Oklahoma Press, Norman. 310 pages.
 

 McAda, C.W. 1987. Status of the razorback sucker (Xyrauchen texanus) in the Colorado River upstream for Lake Powell. Proceedings of the Desert Fishes Council 17:185.
 

 McCarthy, M.S. and W.L. Minckley. 1987. Age estimation for razorback sucker (Pisces: catostomidae) from Lake Mohave, Arizona and Nevada. Journal of the Arizona-Nevada Academy of Science 21:87-97.
 

 Meffe, G.K. and W.L. Minckley. 1987. Persistence and stability of fish and invertebrate assemblages in a repeatedly disturbed Sonoran Desert stream. The American Midland Naturalist 117:177-191.
 

 Minckley, W.L. and G.K. Meffe. 1987. Differential selection for native fishes by flooding in streams of the arid American Southwest. Pages 93-104 in W.J. Matthews and D.C. Heins, eds. Ecology and Evolution of North American Stream Fish Communities, University of Oklahoma Press, Norman.
 

 National Research Council. 1987. River and Dam Management: A Review of the U.S. Bureau of Reclamation's Glen Canyon Environmental Studies. National Academy Press, Washington, D.C. 152 pages.
 

 Nesler, T.P. 1987. Aquatic nongame research squawfish-humpback studies. Colorado Division of Wildlife, Fort Collins. 35 pages.
 

 Nesler, T.P. 1987. Aquatic nongame research endangered fishes investigations: standardized monitoring surveys/larval drift studies. Colorado Division of Wildlife. 40 pages.
 

 O'Brien, J.S. 1987. Analysis of minimum streamflow and sediment transport in the Yampa River, Dinosaur National Monument. Colorado State University (submitted to Nature Conservancy, Boulder, Colorado). 21 pages.
 

 Orth, D.J. 1987. Ecological considerations in the development and application of instream flow habitat. Regulated Rivers Research and Management 1:171-181.
 

 Osmundson, D.B. 1987. Growth and survival of Colorado squawfish (Ptychocheilus lucius) stocked in riverside ponds, with reference to largemouth bass (Micropterus salmoides) predation. Master's thesis, Utah State University, Logan. 179 pages.
 

 Papoulias, D. 1987. Growth and survival of larval razorback sucker (Xyrauchen texanus) in ponds at three fertilization rates. Proceedings of the Desert Fishes Council 17:176-177.
 

 Papoulias, D. and W.L. Minckley. 1987. Survival and growth of razorback sucker (Xyrauchen texanus) in ponds. Proceedings of the Desert Fishes Council 19:35.
 

 Perkinson, M.T. 1987. Preliminary report on the second collecting trip to Buenos Aires National Wildlife Refuge. Arizona State University Center for Environmental Studies, Tempe. 4 pages.
 

 Platania, S.P. and K.R. Bestgen. 1987. Survey of the fishes of the lower San Juan River, New Mexico. University of New Mexico, Albuquerque. 49 pages.
 

 Pucherelli, M.J. 1987. Summary of methods and results for the Green River backwater pilot study using remote sensing and GIS (Geographic Information Systems). 10 pages.
 

 Pucherelli, M.J., J.N. Halls, et al. 1987. Green River channel mapping study 1987. 13 pages.
 

 Pucherelli, M.J., R.C. Clark, et al. 1987. Green River backwater habitat mapping study 1987. Draft. No source.
 

 Sidle, J.G. 1987. Critical habitat designation: is it prudent? Environmental Management 11(4):429-437.
 

 Sigler, W.F. and J.W. Sigler. 1987. Fishes of the Great Basin. University of Nevada Press, Reno. 425 pages.
 

 Spear, M. 1987. Letter to Duane L. Shroufe regarding the proposed stocking of National Wildlife Refuge ponds with bonytail chub, razorback sucker, and Colorado squawfish. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 4 pages.
 

 Spinks, J.L. 1987. Letter to Dr. R.R. Miller concerning questions regarding the taxonomy of the Gila complex. U.S. Fish and Wildlife Service, Denver, Colorado. 2 pages.
 

 Stewart, J.M. 1987. Summary of water-resources activities of the U.S. Geological Survey in Colorado, Fiscal Year 1987.  U.S. Geological Survey, Lakewood, Colorado. 65 pages.
 

 Thayn, G. F., J.E. Farringer and R. Ruesink. 1987. Influence of endangered fish protection on water development projects in the upper Colorado River system. Pages 115-122 In Water resources related to mining and energy--preparing for the future. American Water Resources Association, Bethesda, Maryland.
 

 Trembly, T.L. and G.A. Gould. 1987. Opportunities to protect instream flows in Colorado and Wyoming. National Ecology Center, Fort Collins, Colorado. 91 pages.
 

 Tyus, H.M. 1987. Status of the razorback sucker in the Green River, Utah. Proceedings of the Desert Fishes Council 18:184.
 

 Tyus, H.M. 1987. Distribution, reproduction, and habitat use of the razorback sucker in the Green River, Utah, 1979-1986. Transactions of the American Fisheries Society 116(1):111-116.
 

 Tyus, H.M., R.L. Jones and L.A. Trincam. 1987. Green River rare and endangered fish studies 1982-1985. Final report. (BR-FWS Contract 20740L3083). U.S. Fish and Wildlife Service, Colorado River Fishes Monitoring Project, Vernal, Utah. 117 pages.
 

 U.S. Bureau of Reclamation. 1987. San Juan River rare and endangered fish study River Miles 16.2-(-)2.0 1987 field season. Draft report. U.S. Bureau of Reclamation, Durango, Colorado. 24 pages.
 

 U.S. Bureau of Reclamation. 1987. Glen Canyon Environmental Studies draft report, September 1987. U.S. Department of the Interior, Washington, D.C.
 

 U.S. Department of the Interior. 1987. Quality of water, Colorado River basin. U.S. Department of the Interior.
 

 U.S. Environmental Protection Agency. 1987. Ambient aquatic life water quality criteria for silver. Draft. U.S. Environmental Protection Agency, Office of Research and Development, Environmental Effects Laboratory, Duluth, Minnesota. 112 pages.
 

 U.S. Fish and Wildlife Service. 1987. Memorandum: Analysis of flows remaining to be depleted in the upper Colorado River basin above the confluence of the Green and Colorado Rivers. 5 pages.
 

 U.S. Fish and Wildlife Service. 1987. Interagency Standardized Monitoring Program handbook. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction.
 

 U.S. Fish and Wildlife Service. 1987. Recovery implementation program for endangered fish species in the upper Colorado River basin. Final report. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 U.S. Fish and Wildlife Service. 1987. Two Forks Reservoir and William's Fork gravity collection system projects Colorado. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 U.S. Fish and Wildlife Service. 1987. Results of the interagency standardized monitoring program, 1986. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 10 pages.
 

 U.S. Fish and Wildlife Service. 1987. Endangered and threatened species of Arizona and New Mexico. U.S. Fish and Wildlife Service, Region 2, Albuquerque, New Mexico. Pages 43-44.
 

 Ulmer, L.C. 1987. Management plan for the razorback sucker (Xyrauchen texanus) in California. Proceedings of the Desert Fishes Council 17:183.
 

 Upper Colorado River Commission. 1987. Thirty-ninth annual report of the Upper Colorado River Commission: Colorado River storage project and participating projects. Upper Colorado River Commission, Salt Lake City, Utah. 99 pages.
 

 Valdez, R.A. and R.D. Williams. 1987. Endangered fishes of Cataract Canyon. Proceedings of the Desert Fishes Council 16-18:212-219.
 

 Valdez, R.A. and W.J. Masslich. 1987. Winter habitat study of endangered fish. Green River annual summary report 1986-87. BIO/WEST, Inc., Logan, Utah. 41+ pages.
 

 Valdez, R.A., P.B. Holden and T.B. Hardy. 1987. Assimilation of habitat utilization data for endangered fishes of the upper Colorado River basin (a case history). Proceedings of the Desert Fishes Council 19:95-112.
 

 Valdez, R.A., P.B. Holden, T.B. Hardy and R.J. Ryel. 1987. Summary documentation and preliminary SI curves. BIO/WEST, Inc., Logan, Utah. 56 pages.
 

 Valdez, R.A., P.B. Holden, T.B. Hardy and R.J. Ryel. 1987. Habitat suitability index curves for endangered fishes of the upper Colorado River basin. Final report. U.S. Fish and Wildlife Service, HSI Curve Development Project, BIO/WEST, Logan, Utah. No. 14-16-0006-86-055.
 

 Wick, E.J. and J.A. Hawkins. 1987. Colorado squawfish winter habitat study, Yampa River, Colorado, 1986-1987. Final report, Year 1. Colorado State University, Fort Collins. 64 pages.
 

 Wilkinson, C.F. 1987. Colorado water and the lords of yesterday. Trail and Timberline 822:244-251.
 

 Woodward, D.F., E.E. Little and L.M. Smith. 1987. Toxicity of five shale oils to fish and aquatic invertebrates. Archives of Environmental Contamination and Toxicology 16(2):239-246.
 

 Wydoski, R.S. 1987. Assessment of introduced sport fishes as potential competitors with or predators upon the rare Colorado River fishes with reference to fishery management in Kenney Reservoir. U.S. Fish and Wildlife Service, Denver, Colorado. 20 pages.
 

 Allendorf, F.W. 1988. Conservation biology of fishes. Conservation Biology 2(2):145-148.
 

 American Society of Ichthyologists and Herpetologists. 1988. Guidelines for use of fishes in field research. Fisheries 13(2):16-23.
 

 Arizona Game and Fish Department. 1988. Seven fish project performance report. Annual performance report. Project E1, Arizona. Arizona Game and Fish Department, Phoenix. 16 pages.
 

 Arizona Game and Fish Department. 1988. Threatened native wildlife in Arizona. Arizona Game and Fish Department, Phoenix. 32 pages.
 

 Baucom, F.. 1988. Summary of trip to sample bonytail chub and razorback sucker, Lake Mohave, Arizona-Nevada, March 5-13, 1988. U.S. Fish and Wildlife Service.
 

 Beard, J.M. 1988. Pond removal and stocking procedures of razorback suckers, Xyrauchen texanus. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Vernal, Colorado.
 

 Beard, J.M. 1988. Razorback sucker propagation 1988. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Vernal, Colorado.
 

 Berry, C.R., Jr. 1988. Effects of cold shock on Colorado squawfish larvae. Southwestern Naturalist 33(2):193-197.
 

 Brewer, M. and J. Renne. 1988. Crystal Reservoir temperature study. U.S. Fish and Wildlife Service, Water Resources Division, Lakewood, Colorado.
 

 Butler, M. 1988. Minimum streamflow hydrographs and sediment transport in the Yampa River canyon reaches. Draft. 60 pages.
 

 California Department of Fish and Game. 1988. Fish planting receipt 3/4/1988. California Department of Fish and Game.
 

 Colorado River Wildlife Council. 1988. Minutes Colorado River Fish & Wildlife Council, Holiday Inn Pyramid Albuquerque, New Mexico. Colorado River Wildlife Council.
 

 Danielson, J.A. 1988. Water for the front range - what are the alternatives? University of Colorado, Natural Resources Law Center. 3 pages.
 

 Deacon, J.E. 1988. Endangered woundfin and water management in the Virgin River, Utah, Arizona, Nevada. Fisheries 13(1):18-24.
 

 DeLozier, H.B. 1988. Letter to Dr. Paul Marsh regarding the Arizona State University Golf Course Ponds. President, Arizona State University Golf Course, Tempe. 1 page.
 

 DeLozier, H.B. 1988. Letter to Dr. Paul Marsh regarding the native fishes research at the Arizona State University Golf Course. President, Arizona State University Golf Course, Tempe. 1 page.
 

 DeLozier, H.B. 1988. Letter to G.M. Sollenberger regarding the Arizona State University Golf Course Research Plan. President, Arizona State University Golf Course, Tempe. 1 page.
 

 Dexter National Fish Hatchery. 1988. Dexter NFH stocking trip record 88-10. Dexter National Fish Hatchery.
 

 Dexter National Fish Hatchery. 1988. Dexter NFH stocking trip record 88-11. Dexter National Fish Hatchery.
 

 Earnest, R.D. 1988. Letter to Mr. Temple Reynolds regarding the Service proposal to reintroduce the bonytail chub under the experimental nonessential category. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 2 pages.
 

 Eisler, R. 1988. Lead hazards to fish, wildlife, and invertebrates: a synoptic review. Contaminant Hazard Reviews Series. 134 pages.
 

 Eisler, R. 1988. Arsenic hazards to fish, wildlife, and invertebrates: a synoptic review. Contaminant Hazard Reviews Series. 92 pages.
 

 Ferriole, S. 1988. Wildlife resource information system: bonytail mapping criteria for the Colorado, Dolores, Gunnison, Green, White, and Yampa Rivers. Colorado Division of Wildlife, Grand Junction.
 

 Ferriole, S. 1988. Wildlife resource information system: razorback sucker mapping criteria for the Colorado, Dolores, Gunnison, Green, White, and Yampa Rivers. Colorado Division of Wildlife, Grand Junction.
 

 Ferriole, S. 1988. Wildlife resource information system: humpback chub mapping criteria for the Colorado, Dolores, Gunnison, Green, White, and Yampa Rivers. Colorado Division of Wildlife, Grand Junction. 20 pages.
 

 Grabowski, S.J. and S.D. Hiebert. 1988. Green River trophic dynamics study 1987. Draft. U.S. Bureau of Reclamation, Denver, Colorado. 176 pages.
 

 Grabowski, S.J. and S.E. Hiebert. 1988. Green River trophic dynamics study. U.S. Bureau of Reclamation, Division of Research and Laboratory Services, Applied Sciences Branch, Environmental Sciences Section, Denver. 131 pages.
 

 Greger, P.D. and J.E. Deacon. 1988. Food partitioning among fishes of the Virgin River. Copeia 1988(2):314-323.
 

 Hamill, J. 1988. Letter to Dr. James St. Armant regarding the technical review draft of the Colorado squawfish and bonytail chub recovery plans. U.S. Fish and Wildlife Service, Denver, Colorado. 2 pages.
 

 Hamman, R. 1988. Letter to Dr. W.L. Minckley dated 4/19/1988 regarding a paper on allozyme variation in bonytail chub. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Hamman, R. 1988. Letter to Dr. W.L. Minckley regarding the collection of some bonytail chub eggs on 4/27/88. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Hamman, R. 1988. Unpublished stocking records from Dexter National Fish Hatchery. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Hendrickson, D.A. 1988. Renovation of Palm Lake for use as a native fish refugium and grow-out facility. Arizona Game and Fish Department, Phoenix. 11 pages.
 

 Hendrickson, D.A. 1988. Letter to W.L. Minckley regarding a meeting for the recovery coordination of the lower Colorado River basin. Arizona Game and Fish Department, Phoenix. 2 pages.
 

 Hendrickson, D.A. 1988. Nongame field note. Humpback chub. Wildlife Views 31(9):20.
 

 Hiebert, S. and S. Grabowski. 1988. Parker I Fishery Study October 1985-October 1986. Division of Research and Laboratory Services, Denver, Colorado. 43 pages.
 

 J.F. Sato and Associates, Inc. 1988. Annual site environmental report for calendar year 1988. J.F. Sato and Associates, Inc., Littleton, Colorado. 43 pages.
 

 Jacobson, W.B. 1988. Lake Havasu fish management report, 1984-1987. Statewide fisheries investigation. Federal Aid Project F-7-R-30. Arizona Game and Fish Department, Phoenix. 18 page.
 

 Janish, J. 1988. Letter dated March 9, 1988 regarding a possible population of bonytail chub in the upper Verde River. Arizona Game and Fish Department, Phoenix. 1 page.
 

 Jensen, B.L. 1988. Bonytail chub. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Jensen, B.L. 1988. Annual report, fiscal year 1988. U.S. Fish and Wildlife Service, Dexter, New Mexico. 20 pages.
 

 Johnson, J.E. 1988. Letter to Dr. Paul C. Marsh regarding the fish stockings of the Arizona State University golf course ponds. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 1 page.
 

 Kaeding, L.R. and D.B. Osmundson. 1988. Interaction of slow growth and increased early-life mortality: an hypothesis on the decline of Colorado squawfish in the upstream regions of its historic range. Environmental Biology of Fishes 22(4):287-298.
 

 Kaeding, L.R. and D.B. Osmundson. 1988. Report on the studies of the endangered fishes of the upper Colorado River as part of conservation measures for the Green Mountain and Ruedi Reservoir water sales. Second annual progress report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 53 pages.
 

 Kaeding, L.R. and D.B. Osmundson. 1988. Development of biologically defensible flow recommendations for the maintenance and enhancement of Colorado squawfish in the "15-Mile Reach" of the upper Colorado River during July, August, and September. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Krueger, R.P. 1988. Heavy metal analysis of seven Colorado squawfish from the Colorado and White Rivers. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Lande, R. 1988. Genetics and demography in biological conservation. Science 241:1455-1460.
 

 Lanigan, S.H. and H.M. Tyus. 1988. Abundance, status, and rearing of razorback sucker (Xyrauchen texanus) in the Green River basin of Utah, U.S.A. Proceedings of the Desert Fishes Council 19:136-148.
 

 Liles, T. 1988. Memorandum: Regarding Lake Mohave sampling of the 6-13 March 1988. Arizona Game and Fish Department, Kingman. 4 pages.
 

 Liles, T. 1988. Lake Mohave fish management report, 1984-1987. Statewide Fisheries Investigation, Federal Aid Project F-7-R-30. Arizona Game and Fish Department, Phoenix. 31 pages.
 

 Marsh, P.C. 1988. Sampling at Arizona State University Research Park, April - May 1988. Arizona State University Center for Environmental Studies, Tempe. 2 pages.
 

 Marsh, P.C. 1988. Razorback sucker management in Arizona. Proceedings of the Desert Fishes Council 17:181-182.
 

 Marsh, P.C. and D.R. Langhorst. 1988. Feeding and fate of wild larval razorback sucker. Environmental Biology of Fishes 21(1):59-67.
 

 McAda, C.W. and L.R. Kaeding. 1988. Relations between the habitat use of age-0 Colorado squawfish and those of other sympatric fishes in the upper Colorado River basin. Draft report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 22 pages.
 

 McDonald, J.W. 1988. Primer on Colorado's water policies. 7 pages.
 

 Meyer, C.W. and M. Moretti. 1988. Fisheries survey of the San Juan River, Utah 1987. Contract #7FC4005050. Utah Division of Wildlife Resources, Salt Lake City. 43 pages.
 

 Minckley, C.O. 1988. Research conducted on the Little Colorado river population of the humpback chub during May, 1987-1988. Final report. Northern Arizona University, Department of Biology, Flagstaff. 131 pages.
 

 Mueller, G., P.C. Marsh and G.W. Knowles. 1988. Distribution, migratory behavior, and habitat use of razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada. Open-File report 98-252. U.S. Geological Survey, Mid-Continent Ecological Science Center, Fort Collins, Colorado. 88 pages.
 

 Muth, R.T. 1988. Description and identification of bonytail, humpback, and roundtail chub larvae and early juveniles. Endangered Wildlife Investigations. 57 pages.
 

 Muth, R.T., T.P. Nesler and A.F. Wasowicz. 1988. Marking cyprinid larvae with tetracycline. American Fisheries Society 5:89-95.
 

 Natural Resources Law Center. 1988. Instream flow protection in the western United States: a practical symposium, March 31-April 1, 1988. University of Colorado, School of Law, Natural Resources Law Center, Boulder.
 

 Nesler, T.P., R.T. Muth and A.F. Wasowicz. 1988. Evidence for baseline flow spikes as spawning cues for Colorado squawfish in the Yampa River, Colorado. American Fisheries Society 5:68-79.
 

 New Mexico Department of Game and Fish. 1988. Handbook of species endangered in New Mexico. New Mexico Department of Game and Fish, Santa Fe.
 

 No author. 1988. Arizona nongame strategic plans 1987-1991. Federal Project FW-11-R. Arizona Game and Fish Department, Phoenix. 61 pages.
 

 Odenkirchen, E.W. and R. Eisler. 1988. Chlorpyrifos hazards to fish, wildlife, and invertebrates: a synoptic review. U.S. Fish and Wildlife Service. 34 pages.
 

 Papoulias, D. 1988. Effect of food availability on growth and mortality of larval razorback sucker, Xyrauchen texanus. Arizona State University, Tempe. 32 pages.
 

 Papoulias, D. 1988. Survival and growth of larval razorback sucker, Xyrauchen texanus. Master’s thesis, Arizona State University, Tempe.
 

 Papoulias, D. 1988. Growth and survival of larval razorback sucker. Master's thesis, Arizona State University, Tempe. 83 pages.
 

 Pitts, T. 1988. Conflict resolution: endangered species protection and water development in the upper Colorado River basin. The Colorado Water Congress Special Project on threatened and endangered species. Colorado Water Rights (Colorado Water Congress) 7(1):1-7.
 

 Platania, S.P. and K.R. Bestgen. 1988. Study of the rare and endangered fishes of the San Juan River, New Mexico: 1988 report of activity. University of New Mexico, Albuquerque. 47 pages.
 

 Platania, S.P. and K.R. Betsgen. 1988. Interim report on the fishes of the lower San Juan River, New Mexico, 1987. New Mexico Department of Game and Fish, Santa Fe. 61 pages.
 

 Pucherelli, M.J., R.C. Clark, et al. 1988. Green River backwater habitat mapping study 1987. Interim report. No source.
 

 Radtke, D.B., W.G. Kepner, and R.J. Effertz. 1988. Reconnaissance investigation of water quality, bottom sediment, and biota associated with irrigation drainage in the lower Colorado River Valley, Arizona, California, and Nevada, 1986-87. Report 88-4002. U.S. Geological Survey, Water Resources Investigations. 77 pages.
 

 Raley, C., W. Hubert and S. Anderson. 1988. Maintenance of flows downstream from water development projects in Colorado, Montana, and Wyoming. Biological report 88(27). U.S. Fish and Wildlife Service. 80 pages.
 

 Reynolds, T.A. 1988. Letter to Mr. Michael J. Spear dated April 26, 1988 regarding the reintroduction status of the bonytail chub. Arizona Game and Fish Department, Phoenix. 1 page.
 

 Reynolds, T.A. 1988. Letter to Mr. Clifford I. Barrett dated April 18, 1988 regarding the Arizona Game and Fish Departments wildlife concerns relative to the operation of Glen Canyon Dam. Arizona Game and Fish Department, Phoenix. 4 pages.
 

 Roberts, B. and M. Moretti. 1988. Fisheries survey of the San Juan River, Utah 1988. Final report. Utah Division of Wildlife Resources, Salt Lake City. 40 pages.
 

 Rose, S. and J. Hamill. 1988. Help is on the way for rare fishes of the upper Colorado River basin. Endangered Species Technical Bulletin 13(3):1-7.
 

 Scoppettone, G.G. 1988. Growth of longevity of the Cui-ui and longevity of other Catostomids and Cyprinids in Western North America. Transactions of the American Fisheries Society 117:301-307.
 

 Sheldon, A.L. 1988. Conservation of stream fishes: patterns of diversity, rarity, and risk. Journal of the Society for Conservation Biology 2(2):149-156.
 

 Sidle, J.G. and D.B. Bowman. 1988. Habitat protection under the Endangered Species Act. Conservation Biology 2(1):116-118.
 

 Simons, L.H. 1988. Memorandum: Stocking of razorback fry into backwaters near Safford. Arizona Game and Fish Department, Phoenix, Arizona.
 

 Tyus, H.M. 1988. Long-term retention of surgically-implanted transmitters in Colorado squawfish and razorback sucker. North American Journal of Fisheries Management 8:268-271.
 

 Tyus, H.M. 1988. Acquisition of habitat preference data by radiotelemetry. Pages 137-158 in K.D. Bovee and J.R. Zuboy, eds. Proceedings of a Workshop on the Development and Evaluation of Habitat Suitability Criteria. U.S. Fish and Wildlife Service, Washington, D.C., Biological Report 88(11).
 

 Tyus, H.M. 1988. Evaluating instream flow needs of Colorado squawfish in the Green River. Proceedings of the Desert Fishes Council 19:42.
 

 Tyus, H.M. and C.A. Karp. 1988. Stream flow needs of rare and endangered fishes, Yampa River, Colorado. U.S. Fish and Wildlife Service, Colorado River Fishes Project, Vernal, Utah. 54 pages.
 

 Tyus, H.M. and W.L. Minckley. 1988. Migrating Mormon crickets, Anabrus simplex (Orthoptera: Tettigoniidae), as food for stream fishes. Great Basin Naturalist 48(1):25-30.
 

 U.S. Army Corps of Engineers. 1988. Sandstone Dam and Reservoir, municipal, agricultural and industrial water supply project Carbon County, Wyoming. Draft environmental impact statement. U.S. Army Corp of Engineers, Omaha, Nebraska.
 

 U.S. Bureau of Reclamation. 1988. Glen Canyon Environmental Studies executive summaries of technical reports. U.S. Department of the Interior, U.S. Department of Energy and Arizona Game and Fish Department. 411 pages.
 

 U.S. Department of Agriculture. 1988. Regional Forester’s Sensitive Species List. U.S. Department of Agriculture Forest Service Region 3.
 

 U.S. Department of the Interior. 1988. Glen Canyon Environmental Studies executive summaries of technical reports, November 1988. U.S. Department of the Interior.
 

 U.S. Department of the Interior. 1988. Glen Canyon Environmental Studies. Final report, January 1988. U.S. Department of the Interior.
 

 U.S. Department of the Interior. 1988. Glen Canyon Environmental Studies executive review committee report, May 1988. U.S. Department of the Interior. 124 pages.
 

 U.S. Environmental Protection Agency. 1988. Ambient water quality criteria for chloride: 1988. U.S. Environmental Protection Agency, Office of Water, Regulations and Standards, Washington, D.C. 50 pages.
 

 U.S. Fish and Wildlife Service. 1988. Flaming Gorge peaking power study. Preliminary Draft.  U.S. Fish and Wildlife Service, Denver, Colorado. 20 pages.
 

 U.S. Fish and Wildlife Service. 1988. Flaming Gorge operations study December 15, 1988. Preliminary Draft. U.S. Fish and Wildlife Service, Denver, Colorado. 48 pages.
 

 U.S. Fish and Wildlife Service. 1988. Flaming Gorge Aspinall joint operations study December 15, 1988. Draft. U.S. Fish and Wildlife Service, Denver, Colorado. 9 pages.
 

 U.S. Fish and Wildlife Service. 1988. Recovery implementation program for endangered fish species in the upper Colorado River basin. U.S. Fish and Wildlife Service.
 

 U.S. Fish and Wildlife Service. 1988. Strategy for determination of habitat requirements for the rare fishes of the upper Colorado River basin. U.S. Fish and Wildlife Service. 11 pages.
 

 Upper Colorado River Basin Instream Flow Team. 1988. Determination of flow needs using the physical habitat simulation system (PHABSIM) in the Green River, Utah. Draft. U.S. Fish and Wildlife Service. 41 pages.
 

 Valdez, R.A. 1988. Fisheries biology and rafting, special supplemental report, possible Gila elegans in Cataract Canyon. BIO/WEST, Inc. 3 pages.
 

 Valdez, R.A. 1988. Cataract Canyon trip report No. 2, assess reproductive activity of humpback chub. BIO/WEST, Inc., Logan, Utah. 11 pages.
 

 Valdez, R.A. 1988. Fisheries biology and rafting. Annual summary report for 1987, contribution 6-CS-40-03980, PR-l34-2. BIO/WEST, Inc., Logan, Utah. 45 pages.
 

 Valdez, R.A. and W.J. Masslich. 1988. Winter habitat study of endangered fish, Green River.  BIO/WEST, Inc., Logan, Utah.
 

 Williams, J.E., D.W. Sada, C.D. Williams, P.C. Marsh and other members of the Western Division Endangered Species Committee. 1988. American Fisheries Society guidelines for introductions of threatened and endangered fishes. Fisheries 13(5):5-11.
 

 Williams, O.R., S.L. Ponce, et al. 1988. Use of departure analysis in decision making. American Water Resources Association pages 447-453.
 

 Ammerman, L.K. and D.C. Morizot. 1989. Biochemical genetics of endangered Colorado squawfish populations. Transactions of the American Fisheries Society 118(4):435-440.
 

 Andrews, E.D. and J.M. Nelson. 1989. Topographic response of a bar in the Green River, Utah to variation in discharge. Pages 463-485 in S. Ikeda and G. Parker. River Meandering: American Geophysical Union, Water Resource Monograph 12.
 

 Arizona Game and Fish Department. 1989. Fish stocking record-Arizona Game and Fish Department No. 2855. Arizona Game and Fish Department, Phoenix.
 

 Bagley, B.E. 1989. Nongame field note: bonytail chub. Arizona Game and Fish Department, Phoenix. 3 pages.
 

 Beard, J.M. 1989. Razorback sucker propagation 1987. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Vernal, Colorado.
 

 Bestgen, K.R. and D.L. Propst. 1989. Distribution, status, and notes on the ecology of Gila robusta (Cyprinidae) in the Gila River drainage, New Mexico. Southwestern Naturalist 34(5):402-412.
 

 Brewer, M. and J. Renne. 1989. Application of the instream temperature model to the Green River Basin. Draft. U.S. Fish and Wildlife Service, Division of Water Resources, Lake Wood, Colorado. 10 pages.
 

 Buterbaugh, G.L. 1989. Letter to Mr. Tom Pitts regarding the ultimate authority of the United States Fish and Wildlife Service over the recovery goals of the endangered Colorado River fishes. U.S. Fish and Wildlife Service, Denver, Colorado. 4 pages.
 

 Buterbaugh, G.L. 1989. Memorandum: Solicitors opinion regarding: Colorado River Endangered Fishes Section 7 Consultations. U.S. Fish and Wildlife Service, Denver, Colorado. 5 + pages.
 

 Buterbaugh, G.L. 1989. Memorandum of understanding between the United States Fish and Wildlife Service and the Colorado River Water Conservation District. Draft. U.S. Fish and Wildlife Service, Denver, Colorado. 6 pages.
 

 California Department of Fish and Game. 1989. Fish planting receipt 9/12/1989. California Department of Fish and Game.
 

 California Department of Fish and Game. 1989. Fish planting receipt 9/18/1989. California Department of Fish and Game.
 

 California Department of Fish and Game. 1989. Fish planting receipt 9/20/1989. California Department of Fish and Game.
 

 Carlson, C.A. and R.T. Muth. 1989. Colorado River: lifeline of the American Southwest. Canadian Special Publication of Fisheries and Aquatic Sciences 106:220-239.
 

 Colorado Division of Wildlife. 1989. Wildlife in danger. U.S. Department of Wildlife, Department of Natural Resources, Denver. 37 pages.
 

 Courtenay, W.R., Jr. and C.R. Robins. 1989. Fish introductions: good management, mismanagement, or no management? Aquatic Sciences 1(1):159-172.
 

 Donaldson, J. 1989. Letter to Dexter National Fish Hatchery regarding notification of any future stockings. Nevada Department of Wildlife, Las Vegas. 1 page.
 

 Douglas, M.E., W.L. Minckley and H.M. Tyus. 1989. Qualitative characters, chubs of the genus Gila (Pisces: Cyprinidae) and the "art of seeing well". Copeia 3:653-662.
 

 Eisler, R. 1989. Tin hazards to fish, wildlife, and invertebrates: a synoptic review. Contaminant Hazard Reviews Series. 83 pages.
 

 Eisler, R. and J.H. Corley. 1989. Index to common and scientific names of species listed in Contaminant Hazard Reviews 1 through 15. U.S. Fish and Wildlife Service, U.S. Government Printing Office, Washington, D.C. 44 pages.
 

 Fjetland, C. 1989. Letter to Dr. W.L. Minckley regarding species recovery plans. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 2 pages.
 

 Grabowski, S.J. and S.D. Hiebert. 1989. Some aspects of trophic interactions in selected backwaters and the main channel of the Green River, Utah 1987-1988. U.S. Bureau of Reclamation, Denver, Colorado. 131 pages.
 

 Griffith, B., et al. 1989. Translocation as a species conservation tool: status and strategy. Science 245:477-480.
 

 Gustaveson, W.A. 1989. Introduction of rainbow smelt (Osmerus mordax) into Lake Powell, Utah-Arizona. Utah Department of Natural Resources, Division of Wildlife Resources, Page, Arizona. 51 pages.
 

 Haines, G.B. and H.M. Tyus. 1989. Influence of environmental factors on distribution and abundance of age-0 Colorado squawfish in the Green River, Utah. U.S. Fish and Wildlife Service, Vernal, Utah. 21 pages.
 

 Hallenbeck, E.M. 1989. Letter to W.L. Minckley requesting assistance in developing an interagency proposal to examine the feasibility of native fish rearing facilities on Lake Mohave (fish hatchery). U.S. Bureau of Reclamation, Boulder City, Nevada. 2 pages.
 

 Hamman, R. 1989. Letter dated March 17, 1989 concerning the capture of a bonytail chub at Lake Mohave. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Hamman, R.L. 1989. Survival of Colorado squawfish cultured in earthen ponds. Progressive Fish Culturist 51(1):27-29.
 

 Harris, L. 1989. Research hatchery squawfish propagation report. Colorado Division of Wildlife.
 

 Hickman, T.J. 1989. Study of fishes in the Virgin River (Utah), 1984 through 1988. Annual report. Western Ecosystems, St. George, Utah.
 

 Hinchman, S. 1989. Will the West stamp out the real natives? High Country News 21:3.
 

 Jackowich, D.G. 1989. Image analysis aids the world's most endangered fish. Advanced Imaging, February 1989. 3 pages.
 

 Jacobs, E.L.W., ed. 1989. Selenium in agriculture and the environment. Soil Science Society of America Publication, No 23, SSSA, Inc., Madison, Wisconsin. 233 pages.
 

 Jensen, B.L. 1989. Bonytail chub collected from Lake Mohave. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Jensen, B.L. 1989. Letter to John Donaldson regarding the stocking of bonytail chubs. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Jensen, B.L. 1989. Annual report, fiscal year 1989. U.S. Fish and Wildlife Service, Dexter, New Mexico. 19 pages.
 

 Kaeding, L.R. and D.B. Osmundson. 1989. Biologically defensible flow recommendations for the maintenance and enhancement of Colorado squawfish habitat in the "15-Mile Reach" of the upper Colorado River during July, August and September. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 169 pages.
 

 Karp, C.A. and H.M. Tyus. 1989. Ecology and status of the humpback chub (Gila cypha) in the upper Green River Basin. U.S. Fish and Wildlife Service, Colorado River Fishes Project, Vernal, Utah. 14 pages.
 

 Karp, C.A. and H.M. Tyus. 1989. Ecology and status of the humpback chub (Gila cypha) in the Yampa River. U.S. Fish and Wildlife Service, Vernal, Utah.
 

 Karp, C.A. and H.M. Tyus. 1989. Habitat use, spawning, and species associations of humpback chub, Gila cypha, in the Yampa and Green Rivers, Dinosaur National Monument, Colorado and Utah. U.S. Fish and Wildlife Service, Vernal, Utah. 24 pages.
 

 Kolz, M.L. 1989. Current and power determinations for electrically anesthetized fish. Progressive Fish Culturist 51:168-169.
 

 Kusler, J.A. and S. Daly. 1989. Wetlands and river corridor management. Proceedings of the International Symposium Wetlands and River Corridor Management. 520 pages.
 

 Langhorst, D.R. 1989. Monitoring study of razorback sucker, Xyrauchen texanus, reintroduced into the lower Colorado River in 1988. Contract # FG-7494. California Department of Fish and Game, Blythe. 31 pages.
 

 Lanigan, S.H. and H.M. Tyus. 1989. Population size and status of the razorback sucker in the Green River basin, Utah and Colorado. North American Journal of Fisheries Management 9(1):68-73.
 

 Larson, G., J. Renne, et al. 1989. Colorado and Green River temperature data, 1985-1988. U.S. Fish and Wildlife Service, Denver, Colorado. 83 pages.
 

 Lyons, J. 1989. Green River channel characteristics below Flaming Gorge. U.S. Bureau of Reclamation, Earth Sciences Division, Sedimentation Section, Denver, Colorado. 57 pages.
 

 Marsh, P.C. and D. Papoulias. 1989. Ichthyoplankton of Lake Havasu, a Colorado River impoundment, Arizona-California. California Fish and Game 75(2):68-73.
 

 Marsh, P.C. and J.E. Brooks. 1989. Predation by ictalurid catfishes as a deterrent to re-establishment of hatchery-reared razorback suckers. Southwestern Naturalist 34(2):188-195.
 

 Marsh, P.C. and W.L. Minckley. 1989. Radiotagging razorback suckers: Gila River, Arizona 1988-1989. Arizona State University Center for Environmental Studies and Department of Zoology, Tempe. 11 pages.
 

 Marsh, P.C. and W.L. Minckley. 1989. Bonytail-razorback sucker effort, Lake Mohave, Arizona-Nevada, 1989 Summary report. Arizona State University Center for Environmental Studies, Tempe. 55 pages.
 

 Marsh, P.C. and W.L. Minckley. 1989. Observations on recruitment and ecology of razorback sucker: lower Colorado River, Arizona-California-Nevada. Great Basin Naturalist 49(1):71-78.
 

 McAda, C.W. 1989. Results of the interagency standardized monitoring program, 1988. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 17 pages.
 

 McAda, C.W. 1989. Summary of the statistical power of the Interagency Standardized Monitoring Program. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 26 pages.
 

 McAda, C.W. 1989. Evaluation of the interagency standardized monitoring program. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 52 pages.
 

 McAda, C.W. and L.R. Kaeding. 1989. Relations between maximum-annual river discharge and the relative abundance of age-0 Colorado squawfish and other fishes in the upper Colorado River. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 25 pages.
 

 McAda, C.W. and L.R. Kaeding. 1989. Relations between the habitat use of age-0 Colorado squawfish and those of sympatric fishes in the upper Colorado River basin. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 41 pages.
 

 Meyer, C.H. 1989. Western water and wildlife: the new frontier. A layperson's guide to the law. National Wildlife Federation, Audubon Wildlife Report. 39 pages.
 

 Miller, R.R., J.D. Williams and J.E. Williams. 1989. Extinctions of North American fishes during the past century. Fisheries 14(6):22-38.
 

 Minckley, W.L., D.G. Buth and R.L. Mayden. 1989. Origin of brood stock and allozyme variation in hatchery-reared bonytail, an endangered North American cyprinid fish. Transactions of the American Fisheries Society 118:131-137.
 

 Mueller, G. 1989. Observations of spawning razorback sucker (Xyrauchen texanus) utilizing riverine habitat in the Lower Colorado River, Arizona-Nevada. Southwestern Naturalist 34(1):147-149.
 

 Muth, R.T. 1989. Diets of fishes from backwater and mainchannel habitats of the Green River, Utah, 1987-1988. Final report. U.S. Bureau of Reclamation, Research and Laboratory Services Division, Applied Sciences Branch, Environmental Services Section, Denver, Colorado.
 

 Muth, R.T. 1989. Diets of larval and juvenile fishes from the Yampa and Green rivers, Colorado and Utah, 1986-1987. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Vernal, Utah.
 

 Muth, R.T. and T.P. Nesler. 1989. Marking Colorado squawfish embryos and newly hatched larvae with tetracycline. Southwestern Naturalist 34(4):432-436.
 

 Natural Resources Law Center. 1989. Boundaries and water: allocation and use of a shared resource. University of Colorado, School of Law, Natural Resources Law Center, Boulder.
 

 Nesler, T.P. 1989. Aquatic nongame research endangered fishes investigations. Colorado Division of Wildlife Fish Research Section, Fort Collins. 47 pages.
 

 Nesler, T.P. 1989. Aquatic nongame research endangered fishes investigations: Little Snake River habitat use by endangered fishes. Colorado Division of Wildlife. 18 pages.
 

 Osmundson, B.C. 1989. Colorado squawfish heavy metal analysis and comparison to rainbow trout samples. Taken from Hotchkiss National Fish Hatchery. 9 pages.
 

 Osmundson, D.B. and L.R. Kaeding. 1989. Colorado squawfish and razorback sucker grow-out pond studies as part of conservation measures for the Green Mountain and Ruedi Reservoir water sales. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 85 pages.
 

 Osmundson, D.B. and L.R. Kaeding. 1989. Studies of Colorado squawfish and razorback sucker use of the "15-Mile Reach" of the upper Colorado River as part of conservation measures for the Green Mountain and Ruedi Reservoir Water Sales. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Papoulias, D. 1989. Food availability and mortality for larval razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 18:210-211.
 

 Paulin, K.M., C.M. Williams and H.M. Tyus. 1989. Response of young razorback sucker and Colorado squawfish to water flow and light intensity. U.S. Fish and Wildlife Service, Vernal, Utah. 12 pages.
 

 Platania, S.P. and D.A. Young. 1989. Survey of the ichthyofauna of the San Juan and Animas Rivers from Archuleta and Cedar Hill (respectively) to their confluence at Farmington, New Mexico. Department of Biology, University of New Mexico, Albuquerque.
 

 Pucherelli, M.J. and R.C. Clark. 1989. Memorandum: Comprehensive report (1986-1988) on the effects of Green River flows on backwater habitat availability as determined by remote sensing techniques. U.S. Bureau of Reclamation, Denver, Colorado. 23 pages.
 

 Recovery Implementation Program.  1989. Recovery program for the endangered fishes of the upper Colorado. Recovery program newsletter. Colorado Division of Wildlife Department of Natural Resources, Denver. 6 pages.
 

 Robb, A.J.  1989. Comparison of successive fossil fish faunas in the Black Creek and Peedee formations (Upper Cretaceous) of North Carolina. Geological Society of America Abstracts with Programs 21(2):62.
 

 Rose, K.L. and D.R. Hann. 1989. Summary of historic habitat modeling on the Yampa River using the physical habitat simulation system. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Rose, K.L. and D.R. Hann. 1989. Habitat modeling on the Green River using the physical habitat simulation system. Final consolidated instream flow report. Upper Colorado River Basin Instream Flow Team, Grand Junction, Colorado. 41 pages.
 

 Rosenfeld, M.J. and J.A. Wilkinson. 1989. Biochemical genetics of the Colorado River Gila complex (Pisces: cyprinidae). Southwestern Naturalist 34(2):232-244.
 

 Stalnaker, C.B., R.T. Milhous and K.D. Bovee. 1989. Hydrology and hydraulics applied to fishery management in large rivers. Canadian Special Publication of Fisheries and Aquatic Sciences 106:13-30.
 

 Starnes, W.C. 1989. Colorado River Basin Gila taxonomy project, Phase I report, part 1, review of existing information on taxonomy and distribution, activities of researchers, and collections resources for fishes of the cyprinid genus Gila from the Colorado River basin. U.S. Fish and Wildlife Service, Denver. Cooperative Agreement Number 14-16-0006-89-913. 117 pages.
 

 Thompson, J.M. 1989. Role of size, condition and lipid content in the overwinter survival of age-0 Colorado squawfish. Master's thesis, Colorado State University, Fort Collins. 87 pages.
 

 Thompson, J.M. and E.P. Bergersen. 1989. Role of size, condition factor and lipid content in the overwinter survival of young-of-the-year Colorado squawfish. American Fisheries Society Early Life History Section Larval Fish Conference 13:136.
 

 Tyus, H.M. 1989. Management for recovery of Colorado squawfish. Proceedings of the Desert Fishes Council 20:51.
 

 Tyus, H.M. and C.A. Karp. 1989. Habitat use and stream flow needs of rare and endangered fishes, Yampa River, Colorado. U.S. Fish and Wildlife Service Biological Report 89(14):1-27.
 

 Tyus, H.M. and N.J. Nikirk. 1989. Abundance, growth, and diet of channel catfish (Ictalurus punctatus) in the Green and Yampa Rivers, Colorado and Utah. U.S. Fish and Wildlife Service, Vernal, Utah, and University of Washington, Seattle. 23 pages.
 

 U.S. Bureau of Reclamation. 1989. Salinity update. Colorado River Salinity Program Coordinator, U.S. Bureau of Reclamation, Denver, Colorado. 20 pages.
 

 U.S. Bureau of Reclamation. 1989. Ruedi Reservoir, Colorado Round II Water Marketing Program, Final Supplement to the Environmental Statement. Frying Pan-Arkansas Projects, Colorado and U.S. Bureau of Reclamation, Billings, Montana.
 

 U.S. Bureau of Reclamation. 1989. Glen Canyon Environmental Studies Phase II technical study plan outline. Fiscal year 1989 and process for completion of the technical studies. U.S. Department of the Interior, U.S. Department of Energy and Colorado River Basin States. 26 + pages.
 

 U.S. Fish and Wildlife Service. 1989. Endangered and threatened wildlife and plants: animal notice of review. Federal Register 54(4):557.
 

 U.S. Fish and Wildlife Service. 1989. Streamflow needs of rare and endangered fishes: Yampa River flow quantification. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 U.S. Fish and Wildlife Service. 1989. Lake Havasu fishery study. A cooperative investigation on the Havasu Intake, Central Arizona Project, La Paz, Arizona. U.S. Fish and Wildlife Service, Phoenix, Arizona, U.S. Bureau of Reclamation, Phoenix, Arizona, and Arizona Game and Fish Department, Phoenix, Arizona. 45 pages.
 

 U.S. Fish and Wildlife Service. 1989. Recovery implementation program for endangered fish species in the Colorado River basin, fiscal year 1990 work plan. U.S. Fish and Wildlife Service.
 

 Valdez, R.A. 1989. Informal larval/young-of-the-year humpback chub survey, field notes and observations, May 21-22, 1989. 9 pages.
 

 Valdez, R.A. and W.J. Masslich. 1989. Winter habitat study of endangered fish, Green River: wintertime movement and habitat of adult Colorado squawfish and razorback suckers. BIO/WEST, Inc., Logan, Utah.
 

 Valdez, R.A. and W.J. Masslich. 1989. Wintertime movement and habitat of adult Colorado squawfish and razorback suckers. Contract report 6-CS-40-04490 BIO/WEST, Inc., Logan, Utah. 184 pages.
 

 Western Area Power Administration.  1989. Swimming upstream: the endangered fish of the Colorado River. U.S. Government Printing Office, Washington, D.C. 4 pages.
 

 Wick, E.J. and J.A. Hawkins. 1989. Colorado squawfish winter habitat study, Yampa River, Colorado. Final report. Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Wick, E.J. and J.A. Hawkins. 1989. Observations on use of the Little Snake River in Colorado, by endangered Colorado squawfish and humpback chub, 1988. Colorado State University Larval Fish Laboratory, Fort Collins. 10 pages.
 

 Wick, E.J. and J.A. Hawkins. 1989. Colorado squawfish winter habitat study, Yampa River, Colorado, 1986-1988. Colorado State University Larval Fish Laboratory, Fort Collins. 96 pages.
 

 Williams, I.E., J.E. Johnson, D.A. Hendrickson, S. Contreras-Balderas, J.D. Williams, M. Navarro-Mendoza, D.E. McAllister and J.E. Deacon. 1989. Fishes of North America: endangered, threatened, or of special concern 1989. Fisheries 14(6):2-22.
 

 Wydoski, R.S. and J.F. Hamill. 1989. Evolution of a Cooperative Recovery Program for Endangered Fishes in the Upper Colorado River Basin. Draft. U.S. Fish and Wildlife Service. 28 pages.
 

 Anonymous 1990. Proposed listings, May 1990. Endangered Species Technical Bulletin 15(5):4-5.
 

 Bestgen, K.R. 1990. Status review of the razorback sucker, Xyrauchen texanus. U.S. Bureau of Reclamation, Upper Colorado Regional Office, Salt Lake City, Utah. 92 pages.
 

 Bozek, M.A., L.J. Paulson and G.R. Wilde. 1990. Effects of ambient Lake Mohave temperatures on development, oxygen consumption, and hatching success of the razorback sucker. Environmental Biology of Fishes 27(4):255-263.
 

 Bray, O.E. 1990. Meeting summary of the February 6-7, 1991 population viability analysis workshop meeting. Draft. U.S. Fish and Wildlife Service, Denver, Colorado. 15 pages.
 

 Burdick, B.D. and L.R. Kaeding. 1990. Biological merits of fish passage as part of recovery of Colorado squawfish in the upper Colorado River basin. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 23 pages.
 

 Burke, T.A. 1990. Ichthyoplankton drift past Headgate Rock Diversion Dam Colorado River, Arizona/California. Proceedings of the Annual Conference of the Western Association of Fish and Wildlife Agencies 70:133.
 

 California Department of Fish and Game. 1990. Fish planting receipt 1/31/1990. California Department of Fish and Game.
 

 California Department of Fish and Game. 1990. Fish planting receipt 2/27/1990. California Department of Fish and Game.
 

 California Department of Fish and Game. 1990. Fish planting receipt 9/20/1990. California Department of Fish and Game.
 

 California Department of Fish and Game. 1990. Fish planting receipt 2/26/1990. California Department of Fish and Game. 2 pages.
 

 Carney, D.A. and L.M. Page. 1990. Meristic characteristics and zoogeography of the genus Ptychocheilus (Teleostei: Cyprinidae). Copeia 1990(1):171-181.
 

 Colorado River Fishes Recovery Team. 1990. Humpback chub recovery plan. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Colorado River Recovery Implementation Committee. 1990. Recovery implementation program for endangered fish species in the upper Colorado River basin. U.S. Fish and Wildlife Service, Denver, Colorado. 11 pages.
 

 Fjetland, C. 1990. Memorandum: Regarding the coordination of responsibility for the recovery of the big river fishes. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 2 pages.
 

 Haines, G.B. and H.M. Tyus. 1990. Fish associations and environmental variables in age-0 Colorado squawfish habitats, Green River, Utah. Journal of Freshwater Ecology 5(4):427-435.
 

 Hallenbeck, E.M. 1990. Report on the accomplishments of the Native Fish Work Group-1990 (U.S. Fish and Wildlife). U.S. Bureau of Reclamation, Boulder City, Nevada. 17 pages.
 

 Hendrickson, D.A. 1990. Fish monitoring of Palm Lake, Hassayampa River Preserve. Arizona Game and Fish Department, Phoenix. 3 pages.
 

 Hendrickson, D.A. and D.M. Kubly. 1990. Grand Canyon humpback chub and razorback sucker monitoring project 1990 scope of work submitted 2/8/90 to National Park Service, Grand Canyon and Navajo Fish and Wildlife Window Rock, Arizona. Arizona Game and Fish Department, Phoenix. 31 pages.
 

 Hinchman, S. 1990. Endangered fish halt a Colorado dam. High Country News 22:7.
 

 Jensen, B.L. 1990. Colorado squawfish reintroduction efforts in the lower Colorado River basin. Endangered Species Update 8:(1)68-72.
 

 Jensen, B.L. 1990. Annual report, fiscal year 1990. U.S. Fish and Wildlife Service, Dexter, New Mexico. 14 pages.
 

 Kaeding, L.R. 1990. Comments on road maps. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 11 pages.
 

 Kaeding, L.R., B.D. Burdick, P.A. Schrader and C.W. McAda. 1990. Temporal and spatial relations between the spawning of humpback chub and roundtail chub in the upper Colorado River. Transactions of the American Fisheries Society 119:135-144.
 

 Karp, C.A. and H.M. Tyus. 1990. Behavioral interactions between young Colorado squawfish and six fish species. Copeia 1:25-34.
 

 Karp, C.A. and H.M. Tyus. 1990. Humpback chub (Gila cypha) in the Yampa and Green Rivers, Dinosaur National Monument, with observations on roundtail chub (G. robusta) and other sympatric fishes. Great Basin Naturalist 50(3):257-264.
 

 Karp, C.A. and H.M. Tyus. 1990. Humpback chub, Gila cypha, in the Yampa and Green Rivers, Dinosaur National Monument, USA, with observations of roundtail chub, Gila robusta and other sympatric fishes. Great Basin Naturalist 50(3):257-264.
 

 Kinsolving, A.D. and M.B. Bain. 1990. New approach for measuring cover in fish habitat studies. Journal of Freshwater Ecology 5(3):373-378.
 

 Kubly, D.M. 1990. Endangered humpback chub (Gila cypha) in Arizona a review of past studies and suggestions for future research report, U.S. Bureau of Reclamation, Salt Lake City. Draft, February, 1990. Arizona Game and Fish Department, Phoenix. 138 pages.
 

 Little, E.E. and S.E. Finger. 1990. Swimming behavior as an indicator of sublethal toxicity in fish. Environmental Toxicology and Chemistry 9(1):13-19.
 

 Masslich, W.J. and A. Wasowicz. 1990. Overwinter survival of age-0 Colorado squawfish in the Green and Colorado Rivers. Interim report. BIO/WEST, Inc., Logan, Utah. 20 pages
 

 McKay, T.S. 1990. Razorback sucker capture and transport in Lake Powell, April 1990. SERO (prepared for the Utah Division of Wildlife Resources) 7 pages.
 

 Meyer, F.P. and L.A. Barclay. 1990. Field manual for the investigation of fish kills. U.S. Fish and Wildlife Service.
 

 Miller, A.S. and W.A. Hubert. 1990. Compendium of existing knowledge for use in making habitat management recommendations for the upper Colorado River basin. U.S. Fish and Wildlife Service, Region 6, Denver and University of Wyoming, Laramie. 470 pages.
 

 Minckley, C.O. 1990. Research conducted on the Little Colorado River population of the humpback chub during April-May 1990. Final report. Arizona Game and Fish Department, Phoenix. 44 pages.
 

 Minckley, C.O. 1990. Observed growth in the humpback chub based on tagging returns. Proceedings of the American Fisheries Society Arizona-New Mexico Chapter.
 

 Muth, R.T. 1990. Ontogeny and taxonomy of humpback chub, bonytail and roundtail chub larvae and early juveniles. Doctoral dissertation, Colorado State University, Fort Collins. 262 pages.
 

 National Park Service. 1990. Resource and boundary evaluation for lands adjacent to Black Canyon of the Gunnison National Monument, Colorado. National Park Service. 76 pages.
 

 Nesler, T.P. 1990. Aquatic nongame research endangered fishes investigations. Colorado Division of Wildlife Fish Research Section, Fort Collins. 31 pages.
 

 Nesler, T.P. 1990. Aquatic nongame research endangered fishes investigations: game species life history data. Colorado Division of Wildlife. 36 pages.
 

 No author. 1990. Rivers, studies in the science, environmental policy, and law of instream flow. Rivers 1(1):92.
 

 Oamek, G., L. Schluntz, L. Bottorff and E. Johns. 1990. Methodology for analyzing alternative reservoir sizing, shortage and operating criteria. Pages 192-198 in R.M. Khanbilvardi and T.C. Gooch, eds. Optimizing the Resources for Water Management, American Society of Civil Engineers.
 

 Papoulias, D. and W.L. Minckley. 1990. Food limited survival of larval razorback sucker, Xyrauchen texanus, in the laboratory. Environmental Biology of Fishes 29(1):73-78.
 

 Paulin, K.M., H.M. Tyus and C.M. Williams. 1990. Response of young Colorado squawfish and razorback suckers to water flow and light intensity. Transactions of the American Fisheries Society.
 

 Pister, E.P. 1990. Desert fishes: an interdisciplinary approach to endangered species conservation in North America. Journal of Fish Biology 37(Suppl. A):183-187.
 

 Platania, S.P. 1990. Biological summary of the 1987 to 1989 New Mexico-Utah ichthyofaunal study of the San Juan River. University of New Mexico for New Mexico Department of Game and Fish and U.S. Bureau of Reclamation, Albuquerque, New Mexico. 143 pages.
 

 Pucherelli, M.J. and R.C. Clark. 1990. Memorandum: Green River backwater habitat mapping; fluctuating flow test, utilizing airborne videography techniques. U.S. Bureau of Reclamation, Endangered Fish, Denver, Colorado. 6 pages.
 

 Pucherelli, M.J., R.C. Clark and R.D. Williams. 1990. Mapping backwater habitat on the Green River as related to the operation of Flaming Gorge Dam using remote sensing and GIS. U.S. Bureau of Reclamation, Denver, Colorado. 12 pages.
 

 Pucherelli, M.J., R.C. Clark and R.D. Williams. 1990. Upper basin interagency standardized monitoring program 1989: Green and Colorado Rivers habitat mapping using airborne video. U.S. Bureau of Reclamation, Denver, Colorado. 82 pages.
 

 Schneller-McDonald, K., L.S. Ischinger and G.T. Auble. 1990. Wetland creation and restoration: description and summary of the literature. Report Biological-90(3). National Ecology Research Center, Fort Collins, Colorado. 205 pages.
 

 Severson, S.H., C.A. Karp, H.M. Tyus and G.B. Haines. 1990. Rearing of razorback suckers at Ouray, Utah. Transactions of the American Fisheries Society of the Bonneville Chapter 1990.
 

 Sigler, W.F. and J.W. Sigler. 1990. Recreational fisheries: management, theory, and application. University of Nevada Press, Reno.
 

 Sjoberg, J.C. 1990. Letter to Dr. Paul C. Marsh regarding razorback sucker and bonytail chub capture on Lake Mohave. Nevada Department of Wildlife, Las Vegas. 2 pages.
 

 Smith, G.R. and R.G. Green. 1990. Flaming Gorge consolidated hydrology report. Draft. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Snyder, D.E. and R.T. Muth. 1990. Descriptions and identification of razorback, flannelmouth, white, Utah, bluehead, and mountain sucker larvae and early juveniles. Tech. Publ. No. 38. Colorado Division of Wildlife, Fort Collins. 152 pages.
 

 Spamer, E.E. 1990. Bibliography of the Grand Canyon and the lower Colorado River from 1540. Grand Canyon Natural History Association Monograph Number 8, Grand Canyon, Arizona.
 

 St. Amant, J., S. Petersburg and H. Tyus. 1990. Humpback chub 2nd revised recovery plan. U.S. Fish and Wildlife Reference Service, Rockville, Maryland. 43 pages.
 

 St. Amant, J., S. Petersburg, H. Tyus, R. Harris, J. Bennett, J. Burton, R. Radant, D. Buck and D. Hendrickson. 1990. Bonytail chub revised recovery plan. U.S. Fish and Wildlife Service. 35 pages.
 

 Stames, W.C. 1990. Colorado River Basin Gila taxonomy project, Phase I report, part 2, management concerns, priority research needs, and proposed research plan and part 3 sampling guidelines. U.S. Fish and Wildlife Service, Denver. Cooperative Agreement Number 14-16-0006-89-913.
 

 Stevens, L.E. 1990. Biology and ecology of the Grand Canyon region. Section 4:3-29 In Bibliography of the Grand Canyon and the lower Colorado River, Grand Canyon Natural History Association Monograph Number 8, Grand Canyon, Arizona.
 

 Sublette, J.S., M.D. Hatch and M. Sublette. 1990. Fishes of New Mexico. University of New Mexico Press, Albuquerque, New Mexico.
 

 Tyus, H.M. 1990. Management of native warmwater fishes of the upper Colorado River. 13 pages.
 

 Tyus, H.M. 1990. Effects of altered stream flows on fishery resources. Fisheries 15(3):18-20.
 

 Tyus, H.M. 1990. Potamodromy and reproduction of Colorado squawfish, Ptychocheilus lucius. Transactions of the American Fisheries Society 119(6):1035-1047.
 

 Tyus, H.M. and C.A. Karp. 1990. Spawning and movements of razorback sucker Xyrauchen texanus (Abbott) in the Green River basin of Colorado and Utah. Southwestern Naturalist 35(4):427-433.
 

 Tyus, H.M. and J.M. Beard. 1990. Esox lucius (Esocidae) and Stizostedion vitreum (Percidae) in the Green River basin, Colorado and Utah. Great Basin Naturalist 50(1):33-39.
 

 Tyus, H.M. and J.M. Beard. 1990. Nonnative fishes Esox lucius (Esocidae) and Stizostedion vitreum (Percidae) in the Green River basin, Colorado and Utah. Great Basin Naturalist 50(1):33-39.
 

 Tyus, H.M. and N.J. Nikirk. 1990. Abundance, growth, and diet of channel catfish (Ictalurus punctatus) in the Green and Yampa Rivers, Colorado and Utah. Southwestern Naturalist 35:233-244.
 

 Tyus, H.M. and S.H. Severson. 1990. Growth and survival of larval razorback suckers Xyrauchen texanus in response to five artificial diets. Progressive Fish Culturist 52(3):197-200.
 

 Tyus, H.M., J.H. Williamson and P.B. Johnsen. 1990. Chemoreception, imprinting, and propagation of Colorado squawfish and razorback sucker. Final report to the Upper Colorado River Basin Recovery Implementation Program. U.S. Fish and Wildlife Service, Region 6, Denver, Colorado.
 

 U.S. Bureau of Reclamation. 1990. Memorandum: Comments on the draft biological/hydrological reports and draft biological opinion for the operation of Flaming Gorge Dam. U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 U.S. Environmental Protection Agency. 1990. Protecting endangered species: interim measures, Oliver County, North Dakota. U.S. Environmental Protection Agency, Pesticides and Toxic Substances, Washington, D.C. 4 pages.
 

 U.S. Fish and Wildlife Service. 1990. Recovery program for the endangered fishes of the upper Colorado: five-year plan for information and education. Information and Education Subcommittee, Recovery Implementation Program 1990. 14 pages.
 

 U.S. Fish and Wildlife Service. 1990. Humpback chub, Gila cypha. Official World Wildlife Fund Guide to Endangered Species of North America 2:873-874.
 

 U.S. Fish and Wildlife Service. 1990. Bonytail chub, Gila elegans. Official World Wildlife Fund Guide to Endangered Species of North America 2:877-878.
 

 U.S. Fish and Wildlife Service. 1990. Colorado squawfish, Ptychocheilus lucius. Official World Wildlife Fund Guide to Endangered Species of North America 2:930-931.
 

 U.S. Fish and Wildlife Service. 1990. Study to determine the biological feasibility of pit tags for endangered fishes in the upper Colorado River basin. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 31 pages.
 

 U.S. Fish and Wildlife Service. 1990. Bonytail chub recovery plan. U.S. Fish and Wildlife Service, Denver, Colorado. 35 pages.
 

 U.S. Fish and Wildlife Service. 1990. Five year road map for the recovery implementation program, rare and endangered fishes of the upper Colorado River basin. Draft. U.S. Fish and Wildlife Service, Denver, Colorado. 42 pages.
 

 U.S. Fish and Wildlife Service. 1990. Streamflow needs of rare and endangered fishes: Yampa River interim flow recommendations. Final report. U.S. Fish and Wildlife Service. 13 pages.
 

 U.S. Fish and Wildlife Service. 1990. Endangered and threatened species recovery program: report to Congress. U.S. Fish and Wildlife Service. 406 pages.
 

 Upper Colorado River Commission. 1990. Forty-second annual report of the Upper Colorado River Commission: Colorado River storage project and participating projects. Upper Colorado River Commission, Salt Lake City, Utah. 94 pages.
 

 Valdez, R.A. 1990. Endangered fish of Cataract Canyon. Report U.S. Bureau of Reclamation Contract Number 6-CS-40-03980. BIO/WEST, Inc., Logan, Utah. 94 pages +.
 

 Valdez, R.A. 1990. Humpback chub, possible bonytail discovered in Cataract Canyon. Recovery Implementation Program for Endangered Fishes of the Upper Colorado River Basin. 1 page.
 

 Valdez, R.A. and W.J. Masslich. 1990. Humpback chub monitoring in Cataract Canyon. Interim report. BIO/WEST, Inc., Logan, Utah. 17 pages.
 

 Valdez, R.A., P.B. Holden and T.B. Hardy. 1990. Habitat suitability index curves for humpback chub of the upper Colorado River basin. Rivers 1(1):31-42.
 

 Vandas, S.  1990. Dolores River instream flow assessment. Project report. U.S. Bureau of Land Management, Denver, Colorado. 92 pages.
 

 Western Water Consultants, Inc. 1990. Little Snake River depletions by Pot Hook, Three Fork and Powder Wash Rights. Final report. Western Water Consultants, Laramie, Wyoming. 45 + pages.
 

 Williamson, J.H. 1990. Chub identification methods to be developed, refined. Colorado Division of Wildlife Recovery Program for Endangered Fishes of the Upper Colorado River Basin.
 

 Wright Water Engineers, Inc. 1990. Estimated costs for East Branch Creek and Adobe Creek reservoir systems and Colorado River pumping facilities. Wright Water Engineers, Inc. 11 pages.
 

 Yard M.D., R.D. Williams and D.L. Wegner. 1990. Feasibility of employing radiotelemetry in the Grand Canyon on the endangered humpback chub. Phase II report. U.S. Bureau of Reclamation, Glen Canyon Environmental Survey. 49 pages.
 

 Angradi, T., R. Clarkson, A. Kinsolving, D. Kubly and S. Morgensen. 1991. Glen Canyon Environmental Studies Phase II annual summary report. Arizona Game and Fish Department, Research Branch, Phoenix.
 

 Baucom, F.M. 1991. Report on the 1991 annual spring survey for razorback suckers and bonytail chubs in Lake Mohave, Arizona-Nevada, as well as reconnaissance for razorback suckers in the eastern portion of Lake Mead. U.S. Fish and Wildlife Service, Phoenix, Arizona.
 

 Bozek, M.A., L.J. Paulson, G.R. Wilde and J.E. Deacon. 1991. Spawning season of the razorback sucker, Xyrauchen texanus, in Lake Mohave, Arizona and Nevada. Journal of Freshwater Ecology 6(1):61-73.
 

 Colorado River Fishes Recovery Team. 1991. Colorado squawfish revised recovery plan (Original approved March 16, 1978). Colorado River Fishes Recovery Team. 56 pages.
 

 Commission on Geosciences, Environment and Resources. 1991. Colorado River Ecology and Dam Management: Proceedings of a Symposium May 24-25, 1990 Santa Fe, New Mexico. National Academy Press, Washington, D.C. 276 pages.
 

 Desert Fishes Council. 1991. Proceedings of the Desert Fishes Council Volumes XX and XXI Annual Symposia. Desert Fishes Council, Bishop, California. 279 pages.
 

 Douglas, M.E. and P.C. Marsh. 1991. Ecology and conservation biology of humpback chub (Gila cypha) in the Little Colorado River. Progress report for cooperative agreement l-FC-40-10490. Arizona State University Department of Zoology, Tempe. 6 pages.
 

 Echell, A.A. 1991. Conservation genetics and genetic diversity in freshwater fishes of Western North America. Pages 141-153 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona Press, Tucson.
 

 Haden, A. 1991. Nonnative fishes of the Grand Canyon. Glen Canyon Environmental Studies, Flagstaff, Arizona. 49 pages.
 

 Hawkins, J.A. 1991. Age and growth of Colorado squawfish from the upper Colorado River basin, 1978-1990. Master's thesis, Colorado State University.
 

 Hawkins, J.A. and T.P. Nesler. 1991. Nonnative fishes in the upper Colorado River basin: an issue paper. Colorado State University, Fort Collins. 72 pages.
 

 Holden, P.B. 1991. Ghosts of the Green River: impacts of Green River poisoning in management of native fishes. Pages 43-54 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona Press, Tucson.
 

 J.F. Sato and Associates, Inc. 1991. Annual site environmental report for calendar year 1991. J.F. Sato and Associates, Inc., Littleton, Colorado. 45 pages.
 

 Jensen, B.L. 1991. Annual report, fiscal year 1991. U.S. Fish and Wildlife Service, Dexter, New Mexico. 18 pages.
 

 Johnson, J.E. and B.L. Jensen. 1991. Hatcheries for endangered freshwater fishes. Pages 199-217 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona Press, Tucson.
 

 Kohm, K.A., ed. 1991. Balancing on the brink of extinction: the Endangered Species Act and lessons for the future. Island Press, Washington, D.C. 319 pages.
 

 Lieberman, D. and T. Burke. 1991. Limnology and drift of particulate organic matter through the lower Colorado River. Denver, Colorado. 82 pages.
 

 Marsh, P.C. and W.L. Minckley. 1991. Radiotelemetry of razorback suckers in the Gila River, eastern Arizona. Proceedings of the Desert Fishes Council 21:163-171.
 

 Marsh, P.C., M.E. Douglas, W.L. Minckley and R.L. Timmons. 1991. Rediscovery of Colorado squawfish Ptychocheilus lucius (Cyprinidae), in Wyoming. Copeia 1991(4):1091-1092.
 

 Mayden, R.L., W.J. Rainboth and D.G. Buth. 1991. Phylogenetic systematics of the cyprinid genera Mylopharodon and Ptychocheilus: comparative morphometry. Copeia 1991(3):819-834.
 

 McAda, C.W. 1991. Movement of adult Colorado squawfish during the spawning season in the upper Colorado River. Transactions of the American Fisheries Society 120:339-345.
 

 McAda, C.W. 1991. Physical changes in the Gunnison and Colorado Rivers resulting from construction of the Aspinall Unit and related projects, with hypotheses to assess the effects on the endangered fishes. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 60 pages.
 

 McAda, C.W. and L.R. Kaeding. 1991. Movements of adult Colorado squawfish during the spawning season in the upper Colorado River. Transactions of the American Fisheries Society 120(3):339-345.
 

 Minckley, C.O. 1991. Observations on the Little Colorado River population of the humpback chubs, during May 1987, 1988. Proceedings of the Desert Fishes Council 20:67.
 

 Minckley, W.L. 1991. Native fishes of the Grand Canyon Region: an obituary? Pages 124-177. In Colorado River Ecology and Dam Management. Proceedings of a Symposium May 24-25, 1990, Santa Fe, New Mexico. National Academic Press, Washington D.C. 228 pages.
 

 Minckley, W.L. and J.E. Deacon, eds. 1991. Battle Against Extinction: Native Fish Management in the American West. University of Arizona Press, Tucson. 517 pages.
 

 Minckley, W.L., P.C. Marsh, J.E. Brooks, J.E. Johnson and B.L. Jensen. 1991. Management toward recovery of the razorback sucker. Pages 303-357 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona Press, Tucson.
 

 Muth, R.T. and D.W. Beyers. 1991. Laboratory studies on predator-prey interactions between nonnative fishes and larval Colorado squawfish and razorback sucker. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Muth, R.T. and K.R. Bestgen. 1991. Effect of sunlight on tetracycline marks in otoliths of Colorado squawfish larvae. Transactions of the American Fisheries Society 120(5):666-668.
 

 Nesler, T.P. 1991. Endangered fishes investigations: Federal Aid Project #SE-3 job progress report. Colorado Division of Wildlife, Fort Collins. 69 pages.
 

 No author. 1991. Reconnaissance investigation of irrigation drainage in the San Juan River area, San Juan County, northwestern New Mexico. Executive summary. 
 

 Osmundson, D.B. and L.R. Kaeding. 1991. Recommendations for flows in the "15-Mile Reach" during October-June for maintenance and enhancement of endangered fish populations in the upper Colorado River. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 82 pages.
 

 Osmundson, D.B. and L.R. Kaeding. 1991. Flow recommendations for maintenance and enhancement of rare fish habitat in the 15-Mile Reach during October-June. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Page, L.M. and B. M. Burr. 1991. Field Guide to Freshwater Fishes. Houghton Mifflin Company, Boston.
 

 Platania, S.P., K.R. Bestgen, M.A. Moretti, D.L. Propst and J.E. Brooks. 1991. Status of Colorado squawfish and razorback sucker in the San Juan River, Colorado, New Mexico, and Utah. Southwestern Naturalist 36(1):147-150.
 

 Rinne, J.N. and W.L. Minckley. 1991. Native fishes of arid lands: a dwindling resource of the desert southwest. General techical report RM-206. U.S. Department of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, Fort Collins, Colorado. 45 pages.
 

 Rolston, H., III.  1991. Fishes in the desert: paradox and responsibility. Pages 93-108 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona Press, Tucson.
 

 Rosenfeld, M.J. 1991. Systematic studies of members of the genus Gila (Pisces: Cyprinidae) from the Great basin and Colorado River: protein electrophoretic and cytogenetic variation. Doctoral dissertation, University of Utah, Salt Lake City. 184 pages.
 

 Schrader, P.A. 1991. Endangered and threatened wildlife and plants: the razorback sucker (Xyrauchen texanus) determined to be an endangered species. Federal Register 56(205):54957-54967.
 

 Severson, S.H., H.M. Tyus and G.B. Haines. 1991. An evaluation of feeds for raising razorback sucker, Xyrauchen texanus. Journal of Applied Aquaculture 1(3):55-65.
 

 Shanks, L. 1991. Population viability analysis workshop summary. U.S. Fish and Wildlife Service, Denver, Colorado. 14 pages.
 

 Spiller, S.F. 1991. Memorandum: Review of biological assessment, Hoover Dam powerplant modification project (LC-155, ENevada-400) (BR-AZ/Nevada). U.S. Fish and Wildlife Service, Phoenix, Arizona. 2 pages.
 

 Spiller, S.F. 1991. Memorandum: Fish and wildlife resources and operations of Glen Canyon Dam - Planning Aid report. U.S. Fish and Wildlife Service, Phoenix, Arizona. 24 pages.
 

 Spinks, Jr., J.L. 1991. Subpermit 91-07 for Dr. Wayne C. Starnes and staff. U.S. Fish and Wildlife Service, Denver, Colorado. 3 pages.
 

 St. Amant, J., S. Petersburg, H. Tyus, R. Harris, J. Bennett, G. Burton, R. Radant, D. Buck, D. Hendrickson, D. Knight, F. Baucum, D. Probst and G. Black.  1991. Colorado squawfish Ptychocheilus lucius revised recovery plan. U.S. Fish and Wildlife Reference Service, Rockville, Maryland. 56 pages.
 

 Taubert, B.D. 1991. Letter to Mr. Sam Spiller regarding the review of biological assessment for threatened and endangered species pertinent to Hoover modifications. Arizona Game and Fish Department, Phoenix. 5 pages.
 

 Thompson, J.M., E.P. Bergersen, C.A. Carlson and L.R. Kaeding. 1991. Role of size, condition, and lipid content in the overwinter survival of age-0 Colorado squawfish. Transactions of the American Fisheries Society 120(3):346-353.
 

 Timmons, R.J. et al. 1991. Gila elegans tissue sample data. U.S. Fish and Wildlife Service, Dexter, New Mexico. 2 pages.
 

 Trammell, M.A. 1991. Evaluation of Colorado squawfish stocking in Kenney Reservoir, Rangely, Colorado. Master's thesis, Colorado State University, Fort Collins. 76 pages.
 

 Tyus, H.M. 1991. Movements of and habitat use of young Colorado squawfish Ptychocheilus lucius in the Green River, Utah. Journal of Freshwater Ecology 6(1):43-51.
 

 Tyus, H.M. 1991. Management of native warmwater fishes of the upper Colorado River. Pages 175-182 in Warmwater Fishes Symposium I. U.S.DA Forest Service Technical Report RM-207.
 

 Tyus, H.M. 1991. Ecology and management of Colorado squawfish. Pages 379-402 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. University of Arizona Press, Tucson.
 

 Tyus, H.M. 1991. Management of Colorado River fishes. U.S. Forest Service General Technical Report 207:175-182.
 

 Tyus, H.M. and C.A. Karp. 1991. Habitat use and stream flow needs of rare and endangered fishes in the Green River, Utah. Final report. U.S. Fish and Wildlife Service, Flaming Gorge Studies Program, Colorado River Fishes Project, Vernal, Utah. 54 pages.
 

 Tyus, H.M. and G.B. Haines. 1991. Distribution, habitat use, and growth of age-0 Colorado squawfish in the Green River basin, Colorado and Utah. Transactions of the American Fisheries Society 120(1):79-89.
 

 U.S. Department of the Interior. 1991. Quality of water, Colorado River basin. U.S. Department of the Interior, Washington, D.C.
 

 U.S. Environmental Protection Agency. 1991. Technical support document for water-quality based toxics control. U.S. Environmental Protection Agency, Office of Water Regulations and Standards, Office of Water Enforcements and Permits, Washington, D.C. 153 pages + appendices.
 

 U.S. Fish and Wildlife Service. 1991. Endangered and threatened wildlife and plants: animal candidate review for listing as endangered or threatened species; proposed rule. Federal Register 56(225):58814.
 

 U.S. Fish and Wildlife Service. 1991. Endangered and threatened wildlife and plants: the razorback sucker (Xyrauchen texanus) determined to be an endangered species. Federal Register 56:54957–54967.
 

 Upper Colorado River Commission. 1991. Forty-third annual report of the Upper Colorado River Commission: Colorado River storage project and participating projects. Upper Colorado River Commission, Salt Lake City, Utah. 95 pages.
 

 Valcarce, R., D. Stevenson, G. Gill-Smith and J.W. Sigler. 1991. Discriminant separation of fishes: a preliminary study of fish eggs by Curie-Point pyrolysis-mass spectometry-chemometric analysis. Transactions of the American Fisheries Society 120(6):796-802.
 

 Valdez, R.A. 1991. Characterization of the life history and ecology of the humpback chub in the Grand Canyon. Annual report 1990, contract no. 0-CS-40-091 10. BIO/WEST, Inc. and U.S. Bureau of Reclamation, Upper Colorado River Basin, Salt Lake City, Utah.
 

 Valdez, R.A. 1991. Memorandum: Regarding stomach pump feasibility. BIO/WEST, Inc., Salt Lake City, Utah. 1 page.
 

 Valdez, R.A. 1991. Memorandum: Regarding the request of adult bonytail chub from Dexter National Fish Hatchery for stomach pumping studies. BIO/WEST, Inc., Salt Lake City, Utah. 2 pages.
 

 Valdez, R.A. and A. Valdez-Gonzeles. 1991. Field spawning of endangered humpback chub (Gila cypha). Proceedings of the American Fisheries Society Bonneville Chapter.
 

 Valdez, R.A. and R.G. Williams. 1991. Endangered fishes of Cataract Canyon. Proceedings of the Desert Fishes Council 20:25.
 

 Valdez, R.A. and W.J. Masslich. 1991. Wintertime movement and habitat of adult Colorado squawfish and razorback suckers in the Green River. Proceedings of the Desert Fishes Council 20:27-46.
 

 Valdez, R.A. and W.J. Masslich. 1991. Winter habitat of adult Colorado squawfish and razorback sucker in the Green River, Utah. Proceedings of the Desert Fishes Council 20:87.
 

 Valdez, R.A., W.J. Masslich and A. Wasowicz. 1991. Dolores River native fish habitat suitability study. Annual summary report, 1990. BIO/WEST, Inc., Logan, Utah.
 

 Vives, S.P. 1991. Alarm reactions of some southwestern fishes. Proceedings of the Desert Fishes Council 21:227.
 

 Wick, E.J. and J.A. Hawkins. 1991. Colorado squawfish winter habitat study, Yampa River: a desert fish under ice. Proceedings of the Desert Fishes Council 20:85-86.
 

 Wick, E.J., J.A. Hawkins and T.P. Nesler. 1991. Use of the Little Snake River in Colorado by endangered Colorado squawfish and humpback chub. Proceedings of the Desert Fishes Council 21:225.
 

 Wick, E.J., J.A. Hawkins and T.P. Nesler. 1991. Occurrence of two endangered fishes in the Little Snake River, Colorado. Southwestern Naturalist 36(2):251-254.
 

 Wydoski, R.S. and J. Hamill. 1991. Evolution of a Cooperative Recovery Program for Endangered Fishes in the Upper Colorado River Basin. Pages 123-135 in W.L. Minckley and J.E. Deacon, eds. Battle Against Extinction: Native Fish Management in the American West. The University of Arizona Press, Tucson.
 

 Angradi, T.R., R.W. Clarkson, D.A. Kinsolving, D.M. Kubly, S.A. Morgensen. 1992. Glen Canyon Dam and the Colorado River: responses of the aquatic biota to dam operations. Cooperative agreement No. 9-FC-40-07940. Arizona Game and Fish Department.
 

 Baker, P. and T. Harney. 1992. Survey studies rare U.S. fish. Today's Aquarist 5(8):8-10.
 

 Barrett, P.J. 1992. Spatial habitat preference of smallmouth bass (Miropterus dolomieui), roundtail chub (Gila robusta), and razorback sucker (Xyrauchen texanus). Doctoral dissertation, University of Arizona, Tucson.
 

 Bestgen, K.R. and M.A. Williams. 1992. Effects of fluctuating and constant temperatures on embryo and larval survival and early development of Colorado squawfish. Colorado State University Department of Fisheries and Wildlife Biology, Fort Collins.
 

 Bingham, J.L. and G.A. Gould. 1992. Opportunities to protect instream flows and wetland uses of water in Nevada. U.S. Fish and Wildlife Service, Resources Publication 189. 33 pages.
 

 Blinn, D.W., L.E. Stevens and J.P. Shannon. 1992. Effects of the Glen Canyon Dam on the aquatic food base in the Coloraod River corridor in the Grand Canyon, Arizona. Glen Canyon Environmental Studies Technical Report, Northern Arizona University, Flagstaff.
 

 Burdick, B.D. 1992. Plan to evaluate stocking to augment or restore razorback sucker in the upper Colorado River. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 56 pages.
 

 Chart, T.E. and E.P. Bergersen. 1992. Impact of mainstream impoundment on the distribution and movements of the resident flannelmouth sucker (Catostomidae: Catostomus latipinnis) population in the White River, Wyoming. Southwestern Naturalist 37(1):9-15.
 

 Creef, E.D., R.W. Clarkson and D.K. McGuinn-Robbins. 1992. Razorback sucker (Xyrauchen texanus) and Colorado squawfish (Ptychocheilus lucius) reintroduction and monitoring, Salt and Verde Rivers, Arizona, 1991–1992. Arizona Game and Fish Department, Research Branch Completion Report to Fish and Wildlife Service, Office of Endangered Species, Albuquerque, New Mexico. 18 pages.
 

 Dawdy, D.O. 1992. Law, the Colorado doctrine and in-stream flows. Environment 34(6):2-5.
 

 DeMarais, B.D., T.E. Dowling, M.E. Douglas, W.L. Minckley and P.C. Marsh. 1992. Origin of Gila seminuda (Teleostei: Cyprinidae) through introgressive hybridization: implications for evolution and conservation. Proceedings of the National Academy of Science U.S.A 89:2747-2751.
 

 Denova, B. 1992. Memorandum: Bonytail chub transfer. Arizona Game and Fish Department, Phoenix. 3 pages.
 

 Desert Fishes Council. 1992. Proceedings of the Desert Fishes Council Volume XXIV Annual Symposium. Desert Fishes Council, Bishop, California. 95 pages.
 

 Desert Fishes Council. 1992. Proceedings of the Desert Fishes Council Volumes XXII and XXIII Annual Symposia and Index for Volumes XVI through XXIII. Desert Fishes Council, Bishop, California. 99 + pages.
 

 Dexter National Fish Hatchery. 1992. Dexter NFH stocking trip record 92-21. Dexter National Fish Hatchery.
 

 Divine, G. 1992. Note to files: bonytail chubs. U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Dizon, A.E., C. Lockyer, W.F. Perrin, D.P. DeMaster and J. Sisson. 1992. Rethinking the stock concept: a phylogeographic approach. Conservation Biology 6(1):24-36.
 

 Dowling, T.E., B.D. DeMarais, W.L. Minckley, M.E. Douglas and P.C. Marsh. 1992. Use of genetic characters in conservation biology. Conservation Biology 6(1):7-8.
 

 Dowling, T.E., W.L. Minckley, M.E. Douglas, P.C. Marsh and B.D. DeMarais. 1992. Response to Nowak, Phillips and Henry, and Wayne: use of molecular characters in conservation biology. Conservation Biology 6(4):600-603.
 

 Frazier, D. 1992. Endangered fish die at hatchery. Rocky Mountain News. April 7th, 1992. 133rd year, Number 351.
 

 Gobalet, K.W. 1992. Colorado River fishes of Lake Cahuilla, Salton basin, southern California: a cautionary tale for zooarchaelogists. Bulletin of the Southern California Academy of Sciences 91(2):70-83.
 

 Hamill, J. 1992. Restoring and protecting instream flows for endangered fish in the upper Colorado River basin. Upper Colorado River Basin Recovery Program, Denver, Colorado. 13 pages.
 

 Hamill, J. 1992. Review of recovery efforts for Colorado River fishes. Western Division American Fisheries Society Annual Meeting. Page 29.
 

 Hamilton, S.J 1992. Yankton FRS studies contaminant effects on endangered fish species. Endangered Species Technical Bulletin 18:19.
 

 Hamilton, S.J. and K.J. Buhl. 1992. Contaminant impacts on endangered fish in the San Juan River. 13th Annual Meeting Society of Environmental Toxicology and Chemistry Abstracts.
 

 Hamilton, S.J. and K.J. Buhl. 1992. Drain water impacts on Colorado squawfish, razorback sucker, and Bonytail in the middle Green River. 13th Annual Meeting Society of Environmental Toxicology and Chemistry Abstracts.
 

 Hamilton, S.J. and K.J. Buhl. 1992. Contaminants may be adversely impacting endangered fish in the upper Colorado River. Western Division of the American Fisheries Society. 17 pages.
 

 Hansen, J. 1992. Memorandum: Endangered species report for federal collection permit. U.S. Fish and Wildlife Service, Pinetop, Arizona. 1 page.
 

 Harris, R.E. 1992. Attachment 4, Gunnison River Study Flows - Aspinall Section 7. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 5 pages.
 

 Harrison, D. 1992. Is there any opportunity in 1992 to develop Colorado River water under federal environmental laws? Moses Wittemyer Harrison and Woodruff, Boulder, Colorado. 8 pages.
 

 Harvey, M.D. and R.A. Mussetter. 1992. Mineral bottom geomorphic investigation trip report. Resource Consultants & Engineers, Inc., Fort Collins, Colorado. 8 pages.
 

 Helm, W.T. and H.M. Tyus. 1992. Influence of coating type on retention of dummy transmitters implanted in rainbow trout. North American Journal of Fisheries Management 12(1)257-259.
 

 Hendrickson, D.A. 1992. Arizona stockings of razorbacks and squawfish: history and future research and management challenges. Proceedings of the Desert Fishes Council 23:70.
 

 Horn, M.J. and P.C. Marsh. 1992. Predation by odonate naiads on larval razorback suckers under laboratory conditions. Final report. U.S. Bureau of Reclamation, Denver, Colorado. 8 pages.
 

 Jenkin, J.D., Y.C. Li. and J.R. Gold. 1992. Cytogenetic studies in North American minnows (Cyprinidae) XXVI chromosomal NOR phenotypes of 21 species from the western United States. Cytologia 57:443-453.
 

 Jensen, B.L. 1992. Memorandum: Media contacts re March 23rd fish kill. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Jensen, B.L. 1992. Memorandum: Potential media information. U.S. Fish and Wildlife Service, Dexter, New Mexico. 1 page.
 

 Jensen, B.L. 1992. Annual report, fiscal year 1992. U.S. Fish and Wildlife Service, Dexter, New Mexico. 17 pages.
 

 Jensen, B.L. 1992. Memorandum: Holding of Region 6 fish at Dexter National Fish Hatchery and Technology Center. U.S. Fish and Wildlife Service, Dexter, New Mexico. 3 pages.
 

 Jensen, B.L. 1992. Memorandum: March 23rd fish loss. U.S. Fish and Wildlife Service, Dexter, New Mexico. 6 pages.
 

 Johnson, J.E., M. Lyttle and M. Pardew. 1992. Predator recognition and avoidance by larval razorback sucker and northern hogsucker. Proceedings of the Desert Fishes Council 23:17.
 

 Johnson, T.B. 1992. Arizona Game and Fish Department annual report PRT-676811. Arizona Game and Fish Department, Phoenix. 9 pages.
 

 Knopf, F.L. 1992. Biological diversity in wildlife management. Reprint of Special Session 5 from the Transactions of the 57th North American Wildlife and Natural Resources Conference, Washington, D.C., Wildlife Management Institute.
 

 Kriss, A. 1992. Intensive culture techniques for Colorado squawfish. Page 7 in Western Division of the American Fisheries Society, July 13-16, 1992.
 

 Marsh, P.C. and M.E. Douglas. 1992. Movement of endangered humpback chub Gila cypha within the Little Colorado River in the Grand Canyon, Arizona. Western Division of the American Fisheries Society. 21 pages.
 

 Marsh, P.C. and W.L. Minckley. 1992. Status of bonytail (Gila elegans) and razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 23:18-23.
 

 Masslich, W.J. 1992. City of Craig, Colorado, Yampa River diversion fish passage study. Final report. BIO/WEST, Inc., Logan, Utah. 38 pages.
 

 Masslich, W.J. and R.A. Valdez. 1992. Dolores River as a reintroduction site for Colorado squawfish (Ptychocheilus lucius). Proceedings of the Desert Fishes Council 23:16.
 

 Minckley, C.O. 1992. Observed growth and movement in individuals of the Little Colorado population of the humpback chub (Gila cypha). Proceedings of the Desert Fishes Council 22:35-36.
 

 Minckley, C.O. 1992. Synthesis of information on the humpback chub in the Colorado River basin. Final report. Glen Canyon Environmental Studies contract 1-FC-40-10500. U.S. Fish and Wildlife Service.
 

 Minckley, C.O. 1992. Bibliography of the federally endangered humpback chub (Gila cypha) in the Colorado River basin. U.S. Fish and Wildlife, Arizona Fishery Resources Office, Parker, Arizona.
 

 Mueller, G. 1992. Native fish work group--a multi agency endeavor to improve the status of the razorback sucker in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 23:69.
 

 Mueller, G., M. Horn, J. Kahl, Jr., T. Burke and P. Marsh. 1992. Capture rates of razorback suckers (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada, using larval fish traps equipped with different light intensities and bait. Appendix C in Native Fish Work Group Annual report. U.S. Bureau of Reclamation, Boulder City, Nevada.
 

 National Research Council. 1992. Restoration of aquatic ecosystems: science, technology, and public policy. National Academy Press. 552 pages.
 

 Natural Resources Law Center. 1992. America's waters: a new era of sustainability, report of the Long's Peak Working Group on national water policy, objectives and initiatives. University of Colorado, School of Law, Natural Resources Law Center, Boulder. 12 pages.
 

 Nelson, S.M. and S.A. Flickinger. 1992. Salinity tolerance of Colorado squawfish, Ptychocheilus lucius (Pisces: Cyprinidae). Hydrobiologia 246(2):165-168.
 

 Nesler, T.P. 1992. Endangered fishes: Federal Aid Project #SE-3-16 job progress report. Colorado Division of Wildlife, Fort Collins. 14 pages.
 

 Papoulias, D. and W.L. Minckley. 1992. Effects of food availability on survival and growth of larval razorback suckers in ponds. Transactions of the American Fisheries Society 121(3):340-355.
 

 Poe, T.P., ed. 1992. Significance of selective predation and development of prey protection measures for juvenile salmonids in the Columbia and Snake River reservoirs. Annual progress report, February 1991--February 1992. U.S. Fish and Wildlife Service, Columbia River Field Station, Portland, Oregon.
 

 Propst, D.L. 1992. Vertebrate wildlife studies: warmwater fish communities Inventory and monitoring of warmwater stream fish communities in New Mexico. New Mexico Department of Game and Fish. 164 pages.
 

 Pucherelli, M.J. and W.P. Goettlicher. 1992. Mapping instream habitat on the San Juan River using airborne videography. U.S. Bureau of Reclamation. 47 pages.
 

 Robinson, A.T. 1992. Behavioral ecology of young-of-the-year native fish in the Little Colorado River of the Grand Canyon, with emphasis on humpback chub (Gila cypha). Proceedings of the American Fisheries Society Arizona-New Mexico Chapter.
 

 Robinson, A.T. and R.W. Clarkson. 1992. Annual spring monitoring of humpback chub (Gila cypha) populations in the Little Colorado River, Grand Canyon, Arizona, 1987-1992. Project E5-2. Endangered Species Act Section 6 report. 30 pages.
 

 Sappington, L.C., D.R. Buckler, F.J. Dwyer, C.G. Ingersoll, J.R. Jones, M.R. Ellersieck and G.L. Mayer. 1992. Use of the surrogate species concept in assessing contaminant risk to endangered and threatened fishes. 13th Annual Meeting Society of Environmental Toxicology and Chemistry Abstracts.
 

 Schaeffer, L. 1992. Avian predators at ODFW hatcheries: their identification and control. Oregon Department of Fish and Wildlife, Portland. 19 pages.
 

 Scholz, A.T., R.J. White, S.A. Horton and V.A. Koehler. 1992. Notes on the development and measurement of egg and larval thyroxin concentration in flannelmouth suckers (Catostomus latipinnis) from the Green River, Utah. Final report. Eastern Washington University Department of Biology. 19 pages.
 

 Scholz, A.T., R.J. White, S.A. Horton and V.A. Koehler. 1992. Measurement of egg and larval thyroxin concentration as an indicator of the critical period for imprinting in razorback suckers [Xyrauchen texanus (Abbot)]: implications for endangered stocks in the Colorado River basin. Final report. Eastern Washington University Department of Biology. 26 pages.
 

 Schrader, P.A. 1992. Razorback sucker, Xyrauchen texanus. Official World Wildlife Fund Guide to Endangered Species of North America 3:1436-1438.
 

 Self, B. 1992. Biologists head to fish hatchery in wake of deaths of rare fish. Roswell Daily Record. Wednesday, April 8, 1992. Roswell, New Mexico. 2 pages.
 

 Smith, G.R. 1992. Introgression in fishes: significance for paleontology, cladistics, and evolutionary rates. Systematic Biology 41:41-57.
 

 Snyder, D.E. 1992. Impacts of electrofishing on fish. American Fisheries Society Fisheries Management Section Newsletter 12(2):5-6.
 

 Snyder, D.E. 1992. Impacts of electrofishing on fish. Colorado State University Larval Fish Laboratory Contribution 50, Fort Collins. 107 + pages.
 

 Stanford, J.A. and J.V. Ward. 1992. Management of aquatic resources in large catchments: recognizing interactions between ecosystem connectivity and environmental disturbance. Pages 91-124 in R.J. Naiman, ed. Watershed Management. Springer-Verlag, New York.
 

 Stine, P.A. 1992. Memorandum: News release on Dexter fish loss by State of Colorado. U.S. Fish and Wildlife Service, Denver, Colorado. 1 page.
 

 Tyus, H.M. 1992. Razorback sucker listed as endangered: a further decline in the Colorado River system. Endangered Species Update 9(5):1-3.
 

 Tyus, H.M. 1992. Chemoreception, imprinting, and propagation of Colorado squawfish and razorback sucker: a plan of study. Proceedings of the Desert Fishes Council 22:9-21.
 

 Tyus, H.M. 1992. An instream flow philosophy for recovering endangered Colorado River fishes. Rivers 3(1):27-36.
 

 U.S. Bureau of Reclamation. 1992. Study of alternative water supplies for endangered fishes in the "15-Mile Reach" of the Colorado River. U.S. Bureau of Reclamation, Upper Colorado Region, Grand Junction, Colorado. 78 pages.
 

 U.S. Environmental Protection Agency. 1992. Enforcement accomplishments report, fiscal year 1991. U.S. Environmental Protection Agency, Washington, D.C. 158 pages.
 

 U.S. Fish and Wildlife Service. 1992. U.S. Fish and Wildlife Service to establish critical habitat for razorback sucker. 
 

 U.S. Fish and Wildlife Service. 1992. Biological opinion on operation of Flaming Gorge Dam. Final. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Valdez, R.A. 1992. Possible responses by the fishes of the Colorado River in Grand Canyon to warmed releases from a multi-level intake structure on Glen Canyon Dam. BIO/WEST, Inc., Salt Lake City, Utah. 31 pages.
 

 Valdez, R.A. and A. Wasowicz. 1992. Nonlethal stomach pumping technique to recover gut contents of roundtail chub. BIO/WEST, Inc., Logan, Utah. 9 pages.
 

 Valdez, R.A. and W.J. Masslich. 1992. Estudio de habitat de los Peces nativos del Rio Dolores, Estado de Colorado. Proceedings of the Desert Fishes Council (California) 22-23:6.
 

 Valdez, R.A. and W.J. Masslich. 1992. Activity of adult humpback chub under fluctuating flows in the Colorado River, Grand Canyon. Western Division of the American Fisheries Society. 21 pages.
 

 Valdez, R.A., W.J. Masslich and A. Wasowicz. 1992. Dolores River native fish habitat suitability study. Final report. BIO/WEST, Inc., Logan, Utah. 135 pages.
 

 Valdez, R.A., W.J. Masslich, L. Crist and W. Leibfried. 1992. Investigations of the life history and ecology of the humpback chub (Gila cypha) in the Grand Canyon. Proceedings of the Desert Fishes Council 23:15.
 

 Western Regional Instream Flow Conference. 1992. Proceedings of the Western Regional Instream Flow Conference. Proceedings of the Western Regional Instream Flow Conference, Snow King Resort, Jackson Hole, Wyoming, Trout Unlimited and U.S. Bureau of Reclamation.
 

 White, R.J. 1992. Why wild fish matter: balancing ecological and aquacultural fishery management. Trout 16-33 and 44-48.
 

 Wick, E.J. 1992. River management and habitat restoration strategy. Proceedings of the Desert Fishes Council 22-23:71-75.
 

 Wolkomir, J.R. and R. Wolkomir. 1992. Junkyard Bandicoots and Other Tales of the World's Endangered Species. J. Wiley, New York, New York. 122 pages.
 

 Allan, N.L. 1993. Distribution and abundance of fishes in Shinumo Creek in the Grand Canyon. Master's thesis, University of Arizona, Tucson.
 

 Arizona Game and Fish Department. 1993. Glen Canyon Environmental Studies. Final report - mainstream studies. Cooperative agreement No. 9-FC-40-07940. Arizona Game and Fish Department, Phoenix.
 

 Bates, B., T. Chart and M. Morett. 1993. Colorado squawfish interagency standardized monitoring program, Utah, 1986-90: Lower Green and Colorado Rivers. Final report. Utah Division of Wildlife Resources, Salt Lake City. 21 pages.
 

 Baucom, F.M. 1993. Report on the March 1993 annual razorback sucker and bonytail chub survey in Lake Mohave, Arizona-Nevada. U.S. Fish and Wildlife Service, Phoenix, Arizona. 12 pages.
 

 Beyers, D.W. 1993. Toxicity of carbaryl and malathion to Colorado squawfish and bonytail. Doctoral dissertation, Colorado State University, Fort Collins.
 

 Bolin, J.H., Jr. 1993. Of razorbacks and reservoirs: the Endangered Species Act's protection of endangered Colorado River basin fish. Pace Environmental Law Review 11(1):35-87.
 

 Brooks, J.E., L. Crist, L.A. Ahlm, R.Bliesner, M.J. Buntjer, W.P. Goettlicher, K. Lashmett, W.J. Miller, D.L. Propst and D.W. Ryden. 1993. San Juan River seven year research program summary report 1992. U.S. Bureau of Reclamation, San Juan River Recovery Implementation Program. 20 pages.
 

 Brookshire, D.S., M. McKee and G. Watts. 1993. Economic analysis of proposed critical habitat designation in the Colorado River basin for the razorback sucker, humpback chub, Colorado squawfish, and bonytail. Draft. U.S. Bureau of Land Management, Washington, D.C. 47 pages.
 

 Brown, C. 1993. Handling confrontation: negotiated adaptive management. University of Colorado, Conflict Resolution Consortium, Working Paper 93-13, October 14, 1993(1). 3 pages.
 

 Burdick, B.D. and R.L. Hamman. 1993. Study to evaluate several tagging and marking systems for Colorado squawfish, razorback sucker, and bonytail. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 56 pages.
 

 Burke, T. 1993. Agency report: Bureau of Reclamation, Lower Colorado Region. Proceedings of the Desert Fishes Council 24:12-13.
 

 Burke, T. and G. Mueller. 1993. Native Fish Work Group 1992 Annual report. U.S. Bureau of Reclamation.
 

 Buth, D.G., T.R. Haglund and S. Drill. 1993. Preliminary report on razorback suckers from Etter Pond. University of California Los Angeles, Department of Biology, Los Angeles. 8 + pages.
 

 Buth, D.G., T.R. Haglund and V.P.F. Cassano. 1993. Gene expression in the razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 24:41.
 

 Caputo, D. 1993. Extension of public comment period; schedule for public hearings. Sierra Club Legal Defense Fund, Inc., Denver, Colorado. 3 pages.
 

 Carlson, C.A. and R.T. Muth. 1993. Endangered species management. Pages 431-454 in C.C. Kohler and W.A. Huber, eds. Inland Fisheries Management, American Fisheries Society, Bethesda, Maryland.
 

 Carmichael, G.J. 1993. Guidelines for biological investigations of threatened and endangered fishes. Draft study protocols for all Southwest Region threatened and endangered fishes. U.S. Fish and Wildlife Service, Division of Fisheries, Region 2.
 

 Chart, T.E. and S.J. Cranney. 1993. An evaluation of hatchery-reared bonytail chub (Gila elegans) released in the Green River, Utah, 1988-1989. Publication number 93-12. Utah Division of Wildlife Resources, Salt Lake City.
 

 Chischilly, S. 1993. San Juan River. U.S. Forest Service General Technical Report RM-226. Pages 323-327 in Riparian Management: Common Threads and Shared interests, A western regional conference on river management strategies, February 4 -6, Albuquerque, New Mexico.
 

 Clarkson, R.W. 1993. Unpublished data on fecundity of humpback chub in the Little Colorado River, Grand Canyon, Arizona. Arizona Game and Fish Department, Phoenix.
 

 Clarkson, R.W. 1993. Foods of young-of-year native fishes in the Little Colorado River, Arizona, and infestation patterns by Asian fish tapeworm Bothriocephalus acheilognathi. Proceedings of the Desert Fishes Council 24:27.
 

 Clarkson, R.W. and A.T. Robinson. 1993. Little Colorado River native fishes. Chapter 4 in Arizona Game and Fish Department. Glen Canyon Environmental Studies Phase II 1992. Annual report. Cooperative agreement no. 9-FC-40-07940. Arizona Game and Fish Department.
 

 Clarkson, R.W., E.D. Creef and D.K. McGuinn-Robbins. 1993. Movements and habitat utilization of reintroduced razorback suckers (Xyrauchen texanus) and Colorado squawfish (Ptychocheilus lucius) in the Verde River, Arizona. Special report. Arizona Game and Fish Department, Nongame and Endangered Wildlife Program, Phoenix.
 

 Colorado Weed Management Association. 1993. Colorado's 30 troublesome weeds plants that threaten our natural resources. Colorado Weed Management Association, second edition. 74 pages.
 

 Cooke, A.L. 1993. Hematological parameters of catostomidae. Master's thesis, University of Louisville, Kentucky. 191 pages.
 

 Courtenay, W.R., Jr. 1993. Biological pollution through fish introductions. Pages 35-61 in B.N. McKnight, ed. Biological Pollution: The Control and Impact of Invasive Exotic Species, Indiana Academy of Sciences, Indianapolis. 261 pages.
 

 Creef, E.D. and R.W. Clarkson. 1993. Movement patterns and habitat use of razorback suckers (Xyrauchen texanus) in the Verde River, Arizona. Proceedings of the Desert Fishes Council 24:63.
 

 Davis, D.L., D.K. Shiozawa and R.P. Evans. 1993. Use of polymerase chain reaction for the identification of catostomid fishes in the Green River System. Proceedings of the Desert Fishes Council 24:52.
 

 DeMarais, B.D. and T.E. Dowling. 1993. Introgressive hybridization and evolution of Colorado River basin Gila (Teleostei: Cyprinidae). Proceedings of the Desert Fishes Council 24:67.
 

 Desert Fishes Council. 1993. Proceedings of the Desert Fishes Council Volume XXV Annual Symposium. Desert Fishes Council, Bishop, California. 80 pages.
 

 Douglas, A.J. and R.L. Johnson. 1993. Instream flow assessment and economic valuation: a survey of nonmarket benefits research. Intern. Journal of Environmental Studies 43:89-104.
 

 Douglas, M.E. 1993. Analysis of sexual dimorphism in an endangered cyprinid fish (Gila cypha Miller) using video image technology. Copeia (2):334-343.
 

 Douglas, M.E. and P.C. Marsh. 1993. Monthly population estimates of endangered humpback chub (Gila cypha) in the Little Colorado River of Arizona. Proceedings of the Desert Fishes Council 24:65-66.
 

 Dowling, T.E. and B.D. DeMarais. 1993. Evolutionary significance of introgressive hybridization in cyprinid fishes. Nature (London) 362:444-446.
 

 Dowling, T.E. and W.L. Minckley. 1993. Mitochondrial DNA diversity within and among populations of the razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 24:64.
 

 Dunsmoor, L. 1993. Laboratory studies of fathead minnow predation on catostomid larvae. Draft. Klamath Tribes Natural Resources Department, Chiloquin, Oregon. 16 pages.
 

 Emlen, J.M., T.A. Strekal and C.C. Buchanan. 1993. Probabalistic projections for recovery of the endangered Cui-ui. North American Journal of Fisheries Management 13(3):467-474.
 

 Escandon, A.E.T. 1993. Comparative metabolic rates between two cyprinid fishes: the bonytail chub, Gila elegans and the fathead minnow, Pimephales promelas. American Zoologist 33:43A.
 

 Evans, P. 1993. Recovery partnership for the upper Colorado River to meet ESA Section 7 needs. Natural Resources and Environment 71:24-25.
 

 Filipski, A.J. and T.E. Dowling. 1993. Tests of models explaining patterns of mitochondrial DNA diversity among populations of razorback sucker by computer simulation. Proceedings of the Desert Fishes Council 24:64-65.
 

 FLO Engineering, Inc. 1993. Green River Jensen spawning bar and Escalante Wetlands hydrologic study. Colorado River Recovery Program. 41 pages.
 

 Gilpin, M.E. 1993. Population viability analysis of the Colorado squawfish in the upper Colorado River basin. U.S. Fish and Wildlife Service, Denver, Colorado. 53 pages.
 

 Gobalet, K.W. and G.L. Fenenga. 1993. Terminal Pleistocene Early Holocene fishes from Tulare Lake, San Joaquin Valley, California with comments on the evolution of Sacramento squawfish (Ptychocheilus grandis: Cyprinidae). Paleobios 15(1-4):1-8.
 

 Gorman, O.T., S.C. Leon and O.E. Maughan. 1993. Habitat use by humpback chub, Gila cypha, in the Little Colorado River and other tributaries of the Colorado River. Proceedings of the Desert Fishes Council 24:20-21.
 

 Hamill, J. 1993. Notice of the availability of the draft agreement regarding section seven consultation, sufficient progress and historic projects, recovery implementation program for the endangered fish species in the upper Colorado River basin, and the draft Recovery Im U.S. Fish and Wildlife Service, Denver, Colorado. 7 pages.
 

 Hamill, J. 1993. Upper Colorado River basin endangered fish recovery initiative. Working Paper 93-12, September 27, 1993. Intractable Conflict/Constructive Confrontation Project, Conflict Resolution Consortium, University of Colorado, Boulder, Colorado. 4 pages.
 

 Hamill, J.F. 1993. Endangered Colorado River fishes (upper basin). Proceedings of the Desert Fishes Council 24:5.
 

 Hamilton, S.J. 1993. Significance of selenium in eggs and milt of razorback suckers in the middle Green River. Final report. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 22 pages.
 

 Harvey, M.D., R.A. Mussetter and E.J. Wick. 1993. Physical process-biological response model for spawning habitat formation for the endangered Colorado squawfish. Rivers 4(2):114-131.
 

 Heckmann, R.  1993. Characteristics of two fish parasites introduced into Rocky Mountain Region (United States): effect on fish. Newsletter of the Asian Fisheries Society, Fish Health Section 4(1):2-3.
 

 Heinrich, J.E. and J.C. Sjoberg. 1993. Status of Nevada fishes. Proceedings of the Desert Fishes Council 25:10-13.
 

 Hendrickson, D.A. 1993. Progress report on study of the utility of data obtainable from otoliths to management of humpback chub (Gila cypha) in the Grand Canyon. Arizona Game and Fish Department, Non-Game and Endangered Wildlife Program, Phoenix.
 

 Hendrickson, D.A. 1993. Evaluation of the razorback sucker (Xyrauchen texanus) and Colorado squawfish (Ptychocheilus lucius) reintroduction programs in central Arizona based on surveys of fish populations in the Salt and Verde rivers from 1986 to 1990. Endangered Species Act Sec Arizona Game and Fish Department, Phoenix.
 

 Hepworth, D.K., M.J. Ottebbacher and D.L. Archer.  1993. An evaluation of native fishes of the Fremont River in or near Capitol Reef National Park. Utah Division of Wildlife Resources Publication 5(93-5):1-17.
 

 Horn, M.J. and P.C. Marsh. 1993. Production of razorback sucker in a backwater at Yuma Cove, Lake Mohave, Arizona and Nevada, 1992. Arizona State University, Tempe. 20 + pages.
 

 Houlberg, L.M., G.T. Hawkins, M.S. Salk, G.S. Danford and E.B. Lewis. 1993. Environmental Regulatory Update Table, September/October 1993. Oak Ridge National Laboratory, Tennessee. 122 pages.
 

 Hutcheson, J.A. 1993. Memorandum: Loss of Lake Mohave bonytail chub. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 3 pages.
 

 Hutcheson, J.A. 1993. Memorandum: Uses and disposition of harvested bonytail chub tissues. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 3 pages.
 

 Hydrosphere Resource Consultants. 1993. Yampa River basin alternatives feasibility study. Final report. Hydrosphere Resource Consultants, Inc., Boulder, Colorado.
 

 Jacobs Engineering Group, Inc. 1993. Environmental assessment of remedial action at the Maybell Uranium Mill Tailings Site near Maybell, Colorado. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 129 pages.
 

 Jacobs Engineering Group, Inc. 1993. Environmental assessment of remedial action at the Naturita Uranium Processing Site near Naturita, Colorado. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 131 pages.
 

 James, S.R. 1993. Cyprinids and catostomids from the prehistoric Hohokam site of Pueblo Grande in Phoenix, Arizona. Proceedings of the Desert Fishes Council 24:28.
 

 Jensen, B.L. 1993. Protocol for collecting, handling, holding, and transporting Lake Mohave bonytail. Draft proposal. U.S. Fish and Wildlife Service, Dexter, New Mexico. 11 pages.
 

 Jensen, B.L. 1993. Annual report, fiscal year 1993. U.S. Fish and Wildlife Service, Dexter, New Mexico. 27 pages.
 

 Jensen, D., M.S. Torn and J. Harte. 1993. In Our Own Hands: A Strategy for Conserving California's Biological Diversity. University of California Press, Berkeley.
 

 Johnson, J.E., M.G. Pardew and M.M. Lyttle. 1993. Predator recognition and avoidance by larval razorback sucker and northern hog sucker. Transactions of the American Fisheries Society 112(6):1139-1145.
 

 Kolz, A.L. 1993. In-water electrical measurements for evaluating electrofishing systems. U.S. Fish and Wildlife Service. 24 pages.
 

 Kubly, D.M. and K.L. Young. 1993. Arizona Game and Fish Department, 1991-1992 activities. Proceedings of the Desert Fishes Council 24:7-8.
 

 Kunisawa, T., V.B. Streletc, I.N. Shindyalov and N.A. Kolchanov. 1993. Amplification of genes coding for sensor and response regulator proteins within the Escherichia coli genome. Protein Sequences and Data Analysis 5(5):237-245.
 

 Leon, S.C. 1993. Memorandum: U.S. Fish and Wildlife Service endangered species permit/subpermit annual report. U.S. Fish and Wildlife Service, Pinetop, Arizona. 4 + pages.
 

 Mabey, L.W. 1993. Planktonic and benthic microcrustaceans from floodplain and river habitats of the Ouray Refuge on the Green, River, Utah. Master's thesis, Brigham Young University, Department of Zoology, Provo, Utah. 31 pages.
 

 Mabey, L.W. and D.K. Shiozawa. 1993. Planktonic and benthic microcrustacean communities in the Green River ecosystem near Ouray, Utah. Proceedings of the Desert Fishes Council 24:22-23.
 

 MacDonnell, L. 1993. Evolution of property rights, incremental change, and the progressive resolution of intractable conflict. Working Paper 93-11, August 17, 1993, Intractable Conflict/Constructive Confrontation Project, Conflict Resolution Consortium, University of Colorado, Boulder, Colorado. 4 pages.
 

 Maddux, H.R. 1993. Overview of the proposed critical habitat designation for the four Colorado River endangered fishes. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 65 pages.
 

 Maddux, H.R., L.A. Fitzpatrick, W. Noonan and H. Tyus. 1993. Proposed determination of critical habitat for the Colorado River endangered fishes: razorback sucker, Colorado squawfish, humpback chub and bonytail chub. Federal Register 58(18):6578-6597.
 

 Maddux, H.R., L.A. Fitzpatrick, W. Noonan and H. Tyus. 1993. Colorado River endangered fishes critical habitat: biological support document. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 225 pages.
 

 Marsh, P.C. 1993. Biological assessment on the impact of the Basin and Range Geoscientific Experiment (BARGE) on federally listed fish species in Lake Mead, Arizona and Nevada. Draft. Arizona State University, Center for Environmental Studies, Tempe, Arizona.
 

 Marsh, P.C. 1993. Summary of manual spawning of razorback suckers at Lake Mohave, Arizona, 1993. U.S. Bureau of Reclamation, Boulder City, Nevada. 3 pages.
 

 Masslich, W.J., B.R. Cowdell and R.A. Valdez. 1993. Radiotelemetry studies of humpback chub Gila cypha in the Colorado River, Grand Canyon, Arizona. Proceedings of the Desert Fishes Council 24:68-69.
 

 Master, L. 1993. Imperiled status of North American aquatic animals. Biodiversity Network News 3:1-2, 7-8.
 

 Mattes, W.P. 1993. An evaluation of habitat conditions and species composition above, in, and below the Atomizer Falls complex of the Little Colorado River. Master's thesis, University of Arizona, Tucson.
 

 McAda, C.W. 1993. Evaluation of aerial-video measurement of backwaters as part of the interagency standardized monitoring program for age-0 Colorado squawfish. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 42 pages.
 

 Meyer, L.L. 1993. Reintroduction of bonytail chubs (Gila elegans) into the Green River, Utah. Proceedings of the Desert Fishes Council 24:31.
 

 Miller, L.R. 1993. Bonytail chubs held at Willow Beach National Fish Hatchery. U.S. Fish and Wildlife Service, Willow Beach, Arizona. 6 pages.
 

 Minckley, W.L. 1993. No time left - Arizona's native fishes, going, going, gone! Arizona Conservation Voter 2(3)7-8.
 

 Modde, T. and E. Wick. 1993. Status review of the razorback sucker, Xyrauchen texanus, in the upper Green River. Proceedings of the Desert Fishes Council 24:59.
 

 Moeller, K.L., L.M. Malinowski, J.F. Hoffecker, D.A. Walitschek, L. Shogren, J.E. Mathews and B.T. Verhaaren. 1993. Class 1 overview of cultural resources for the Western Area Power Administration Salt Lake City Area Integrated Projects electric power marketing environmental impact statement. Argonne National Laboratory, Illinois. 113 pages.
 

 Mueller, G., M. Horn, J. Kahl, Jr., T. Burke and P. Marsh. 1993. Use of larval light traps to capture razorback sucker (Xyrauchen texanus) in Lake Mohave, Arizona-Nevada. Southwestern Naturalist 38(4):399-402.
 

 Mueller, G., T. Burke, J.J. Kahl, M. Horn and P.C. Marsh. 1993. Collection of razorback sucker larvae (Xyrauchen texanus) using different light intensities in Lake Mohave, Arizona. Proceedings of the Desert Fishes Council 24:60.
 

 Muth, R.T. and T.P. Nesler. 1993. Associations among flow and temperature regimes and spawning periods and abundance of young of selected fishes, lower Yampa River, Colorado, 1980-1984. Final report. Colorado State University Larval Fish Laboratory Contribution 58:50.
 

 Nash, L.L. and P.H. Gleick. 1993. Colorado River basin and climatic change, the sensitivity of streamflow and water supply to variations in temperature and precipitation. U.S. Environmental Protection Agency. 91 pages.
 

 National Parks and Conservation Association. 1993. Park waters in peril. National Park Service and Conservation Association. 126 pages.
 

 Natural Resources Law Center. 1993. Instream flow protection in the west. University of Colorado, School of Law.
 

 Nehring, R.B. 1993. Distribution and abundance of the fish fauna in the Dolores River from McPhee Reservoir downstream to the Dove Creek Pump Plant. Montrose, Colorado. 48 pages.
 

 No author. 1993. San Juan River Basin Recovery Implementation Program Coordination Committee Meeting 15 June 1993. 
 

 No author. 1993. Coordination Committee 19 October 1993. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1993. Recommendations on the legal, policy, and institutional issues related to instream flow protection in Colorado. University of Colorado, Center for Public-Private Sector Cooperation, Denver.
 

 Oamek, G. and S.R. Johnson. 1993. Economic and environmental impacts of a large scale water transfer in the Colorado River basin. Western Journal of Agricultural Economics. 12 pages.
 

 Paulson, L.J., P.C. Marsh, M. McNutt and J. Mutter. 1993. Understanding the rifting of continents: a marine reflection survey of the Lake Mead fault system. Project BARGE, Environmental Assessment, National Park Service, Boulder City, Nevada. 58 + pages.
 

 Persons, W.R. and D.A. Kinsolving. 1993. Mainstem Colorado River native fishes. Chapter 3 in Arizona Game and Fish Department. Glen Canyon Environmental Studies Phase II. Annual report. Cooperative agreement no. 9-FC-40-07940. Arizona Game and Fish Department.
 

 Petersburg, S.J. 1993. Recovery implementation project recommendations. U.S. Fish and Wildlife Service, Colorado River Fishes Recovery Team, Denver. 8 pages.
 

 Petersen, J.H. and T.P. Poe. 1993. System-wide significance of predation on juvenile salmonids in Columbia and Snake River reservoirs. Annual report 1992. National Fisheries Research Center, Columbia River Field Station, Cook, Washington. 42 pages.
 

 Quartarone, F. 1993. Historical accounts of upper Colorado River basin endangered fish. Final report. Colorado Division of Wildlife. 68 pages.
 

 Quartarone, F.G. 1993. Results of a historical research project about the endangered fish of the upper Colorado River basin. Proceedings of the Desert Fishes Council 24:37-38.
 

 Rahel, F.J., R.T. Muth and C.A. Carlson. 1993. Endangered species management. Chapter 16 in C. Kohler and W. Hubert, eds. Inland Fisheries Management in North America. American Fisheries Society, Bethesda, Maryland.
 

 Rinne, J.N. 1993. Wildlife viewpoint, southwestern riparian-stream areas: habitats for fishes. Pages 46-51 in Riparian Management: Common Threads and Shared interests, A Western Regional Conference on River Management Strategies. U.S. Forest Service.
 

 Robinson, A.T. 1993. Feeding behavior and ecology of young-of-the-year native fish in the Little Colorado River of the Grand Canyon. Proceedings of the Desert Fishes Council 24:39.
 

 Ruppert, J.B., R.T. Muth and T.P. Nessler. 1993. Predation on fish larvae by adult red shiner, Yampa and Green Rivers, Colorado. Southwestern Naturalist 38(4):397-399.
 

 Ryden, D.W. and F. Pfeifer. 1993. San Juan River Seven Year Research Program, progress reports, 1991-1992. U.S. Fish and Wildlife Service Colorado River Fishery Project.
 

 Ryden, D.W. and F.K. Pfeifer. 1993. Adult fish collections on the San Juan River (1991-1992). U.S. Fish and Wildlife Service, Grand Junction, Colorado. 69 pages.
 

 Schler, P.  1993. Research hatchery studies. Colorado Division of Wildlife Research Review 2:44-47.
 

 Scholz, A.T., R.J. White, S.A. Horton, M.B. Tilson, C.I. Williams and B. Haines. 1993. Thyroxine concentrations and chemical imprinting of razorback suckers (Xyrauchen texanus) and Colorado squawfish (Ptychocheilus lucius) eggs and larva raised at Dexter National Fish Hatchery, New Mexico. Technical report no. 3. Eastern Washington University, Department of Biology, Colorado River Fisheries Chemoreception Project. 73 pages.
 

 Scoppettone, G.G. 1993. Interactions between native and nonnative fishes of the upper Muddy River, Nevada. Transactions of the American Fisheries Society 122(4):599-608.
 

 Shroufe, D.L. 1993. Arizona Game and Fish Department annual report on subpermit PRT-676811 from December 1992 through November 1993. Arizona Game and Fish Department, Phoenix. 10 pages.
 

 Smith, D.M. 1993. Predator avoidance behavior in larval fishes. Proceedings of the Desert Fishes Council 24:60-61.
 

 Snyder, D.E. 1993. Effects of electrofishing on fish reproduction, gametes, and offspring. American Fisheries Society Early Life History Section Newsletter 14(3):27-29.
 

 Spiller, S.F. 1993. Memorandum: Biological opinion for Lake Havasu fisheries improvement partnership program. U.S. Fish and Wildlife Service, Phoenix, Arizona. 19 pages.
 

 Spiller, S.F. 1993. Memorandum: Request for formal section 7 consultation. U.S. Fish and Wildlife Service, Phoenix, Arizona. 3 pages.
 

 Stanford, J.A. 1993. Instream flows to assist the recovery of endangered fishes of the upper Colorado River basin: review and synthesis of ecological information, issues, methods and rationale. 89 pages.
 

 Starnes, W.C. 1993. Letter to B. Jensen et. al. dated 14 September 1993 regarding the salvage of bonytail tissues Gila taxonomy project. Smithsonian Institute Division of Fishes, Natural History Building, Washington, D.C. 2 pages.
 

 Starnes, W.C. 1993. Colorado River Recovery Project, fiscal year 1993. Annual report. U.S. Fish and Wildlife Service, Denver, Colorado. 6 pages.
 

 Stewart, J.D. and M.A. Roeder. 1993. Razorback sucker (Xyrauchen) fossils from the Anza Borrego Desert and the ancestral Colorado River. San Bernardino County Museum Association Special Publication 1:94-96.
 

 Swift, C.C., T.R. Haglund, M. Ruiz and R.N. Fisher. 1993. Status and distribution of the freshwater fishes of southern California. Bulletin of the Southern California Academy of Sciences 92:101-167.
 

 Trammell, M.A., E.P. Bergersen and P.J. Martinez. 1993. Evaluation of an introduction of Colorado squawfish in a main stem impoundment on the White River, Colorado. Colorado Division of Wildlife Research Review 2:49-50.
 

 Trammell, M.A., E.P. Bergersen and P.J. Martinez. 1993. Evaluation of an introduction of Colorado squawfish in a main stem impoundment on the White River, Colorado. Southwestern Naturalist 38(4):362-369.
 

 Tremble, M. 1993. Little Colorado River. Pages 283-289 in Riparian Management: Common Threads and Shared interests, A Western Regional Conference on River Management Strategies. U.S. Forest Service, Gen. Tech. Report. Pages RM-226.
 

 Tyus, H.M. 1993. Endangered and threatened wildlife and plants: determining critical habitat for the Colorado River endangered fishes. Federal Register 58(217):59979-59980.
 

 Tyus, H.M. 1993. Critical habitat for four species of endangered fishes. Federal Register 58:48351-48352.
 

 Tyus, H.M., W.P. Dwyer and S. Whitmore. 1993. Feasibility of preventing further invasion of the zebra mussel into the western United States. Report number 1994-576-764/05146. U.S. Fish and Wildlife Service, Washington, D.C. 43 pages.
 

 U.S. Department of Energy. 1993. Non-federal participation in AC Intertie Draft Environmental Impact Statement: appendices. U.S. Department of Energy, Bonneville Power Administration, Portland, Oregon. 474 pages.
 

 U.S. Department of Energy. 1993. Annual site environmental report for calendar year 1993. U.S. Department of Energy, Western Area Power Administration, Golden, Colorado. 68 pages.
 

 U.S. Department of the Interior. 1993. Quality of water, Colorado River basin. U.S. Department of the Interior.
 

 U.S. Department of the Interior. 1993. Proceedings of the symposium on restoration planning for the rivers of the Mississippi River ecosystem. U.S. Department of the Interior. 502 pages.
 

 U.S. Environmental Protection Agency. 1993. Enforcement accomplishments report, fiscal year 1992. U.S. Environmental Protection Agency, Washington, D.C. 218 pages.
 

 U.S. Environmental Protection Agency. 1993. Fact sheet: reregistration eligibility decision (RED): chlorinated isocyanurates. U.S. Environmental Protection Agency. 416 pages.
 

 U.S. Fish and Wildlife Service. 1993. Section 7 consultation, sufficient progress, and historic projects agreement and recovery action plan. U.S. Fish and Wildlife Service, Recovery Implementation Program, Denver, Colorado. 50 pages.
 

 URS Consultants. 1993. State of Colorado hatchery feasibility study for endangered fishes of the Colorado River basin. Volumes I and II. URS Consultants.
 

 Valcarce, R., G.G. Smith, D. Stevenson and J.W. Sigler. 1993. Discriminating complex biological materials using pyrolysis-mass spectrometry-chemometrics. Biochemical Systematics and Ecology 21:505-530.
 

 Valdez, R.A. 1993. Native fishes of Grand Canyon. Grand Canyon River Guides, Flagstaff, Arizona. 4 pages.
 

 Valdez, R.A. 1993. Use of scales to determine emigration of juvenile humpback chub Gila cypha from the Little Colorado River in Grand Canyon, Arizona. Proceedings of the Desert Fishes Council 24:61.
 

 Valdez, R.A. 1993. Humpback chub studies in the mainstem Colorado River, Grand Canyon. Proceedings of the Desert Fishes Council 24:71.
 

 Valdez, R.A. and B.R. Cowdell 1993. Survival of age-0 Colorado squawfish in the Green and Colorado Rivers (UDWR Contract No. 90-2558). Annual summary report-1992. BIO/WEST, Inc., Logan, Utah. 23 + pages.
 

 Valdez, R.A. and M. Hugentobler, eds. 1993. Characterization of the life history and ecology of the humpback chub (Gila cypha) in the Grand Canyon. Annual report 1992, contract no. 0-CS-40-09110. Report No. TR-250-06. BIO/WEST, Inc., Logan, Utah. 168 pages + appendices.
 

 Valdez, R.A. and R.D. Williams. 1993. Ichthyofauna of the Colorado and Green Rivers in Canyonlands National Park, Utah. National Park Service Transactions and Proceedings Series 10:2-22.
 

 Valdez, R.A., W.J. Masslich and W. Leibfried. 1993. Present distribution of humpback chub Gila cypha in the mainstem Colorado River, Grand Canyon, Arizona. Proceedings of the Desert Fishes Council 24:66.
 

 Valdez, R.A., W.J. Masslich, L. Crist and W.C. Leibfried. 1993. Field methods for studying the Colorado River fishes in Grand Canyon National Park. Pages 23-36 in P.G. Rowlands, C. van Riper III and M.K. Sogge, eds. Proceedings of the first biennial conference on research in Colorado Plateau National Parks. Transaction and Proceedings Series NPS/NRNAU/NRTP-93/10, U.S. Department of Interior.
 

 Vazquez, E., E. Ramos and A. Alfonso. 1993. Eudistoma roseum, new species (Ascidiacea, Polycitoridae) from the Iberian Atlantic coast. Ophelia 37(2):95-100.
 

 Ward, R.C. 1993. Front range water alternatives and transfer of water from one area of the state to another. Proceedings 1993 Colorado Water Convention, Colorado State University, Denver. 181 pages.
 

 Wasowicz, A. and H. Yard. 1993. Predation by osprey on endangered humpback chub. Great Basin Naturalist 53:314-315.
 

 Wasowicz, T., R.A. Valdez, W.J. Masslich, B.R. Cowdell and W. Leibfried. 1993. Nonlethal stomach pumping technique to recover gut contents of roundtail chub. Proceedings of the Desert Fishes Council 24:40-41.
 

 Weiss, S.J. 1993. Spawning, movement and population structure of flannelmouth sucker in the Paria River. Master's thesis, University of Arizona, Tucson. 154 pages.
 

 Werth, L.F., et al. 1993. Developing a geographic information system for resources monitoring on the Colorado River in the Grand Canyon. U.S. Bureau of Reclamation, Applied Science Branch, Denver, Colorado. 46 pages.
 

 Williamson, J.H. 1993. Genetics management guidelines for endangered fish species in the upper Colorado River basin. Recovery implementation program for endangered fishes in the upper Colorado River basin. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Wolz, E.R. and D.K. Shiozawa. 1993. Benthic invertebrates from the Green River, Utah, benthic macroinvertebrate communities of the Green River, at the Ouray National Wildlife Refuge. Master's thesis, Brigham Young University, Department of Zoology, Provo, Utah. 34 pages.
 

 Wydoski, R., J.H. Williamson and D. Toney. 1993. Coordinated hatchery facility plan. U. S. Fish and Wildlife Service.
 

 Alder, L. and T.A. Crowl. 1994. Energy flow in the Green River, upper Colorado River basin: a foodweb approach. Proceedings of the Desert Fishes Council 1994 Annual Symposium.
 

 American River Management Society. 1994. Rivers without boundaries. Proceedings of the Second Biannual ARMS Symposium on River Planning and Management, American River Management Society.
 

 Anderson, R. 1994. Endangered fishes. Colorado Division of Wildlife Fish Research Section. 49 pages.
 

 Angradi, T.R. 1994. Trophic linkages in the lower Colorado River: multiple stable isotope evidence. Journal of the North American Benthological Society 13(4):479-495.
 

 Aquatic Nuisance Species Task Force. 1994. Report to Congress: findings, conclusions, and recommendations of the intentional introductions policy review. Aquatic Nuisance Species Task Force. 53 pages.
 

 Arizona Game and Fish Department. 1994. Glen Canyon Environmental Studies Phase II, 1993. Draft annual report. Arizona Game and Fish Department, Phoenix. 36 pages.
 

 Auble, G.T., J.M. Friedman and M.L. Scott. 1994. Relating riparian vegetation to present and future streamflows. Ecological Applications 4(3):544-554.
 

 Balsom, J.R. 1994. Will the real river manager please step forward: NPS perspective on the Glen Canyon environmental studies and environmental impact statement process. Pages 261-265 in American River Management Society, eds. Rivers Without Boundaries: Proceedings of the Second Biannual ARMS Symposium on River Planning and Management, American River Management Society.
 

 Baucom, F.M. 1994. Memorandum: Notes of technical review meeting for Glen Canyon Dam Biological Opinion. U.S. Fish and Wildlife Service, Phoenix, Arizona. 6 pages.
 

 Beard, D.P. 1994. U.S. Bureau of Reclamation revamps efforts to help fish. Fisheries 19(7):6-7.
 

 Beeny, L. 1994. Natives. Wyoming Wildlife 58(11):20-29.
 

 Bestgen, K.R. and M.A. Williams. 1994. Effects of fluctuating and constant temperatures on early development and survival of Colorado squawfish. Transactions of the American Fisheries Society 123(4):574-579.
 

 Bettaso, R.H. 1994. Memorandum: Chronology of activities for big river fishes at Palm Lake. Arizona Game and Fish Department, Phoenix. 2 pages.
 

 Beyers, D.W. and M.S. Farmer. 1994. Effects of copper and zinc on olfaction of Colorado squawfish as estimated by behavioral assay. Colorado State University Larval Fish Laboratory, Fort Collins. 35 pages.
 

 Beyers, D.W. and P.J. Sikoski. 1994. Acetylcholinesterase inhibition in federally endangered Colorado squawfish exposed to carbaryl and malathion. Environmental Toxicology and Chemistry 13(6):935-939.
 

 Beyers, D.W., R.T. Muth and M.S. Farmer. 1994. Experimental evidence of competition between larvae of Colorado squawfish and fathead minnow. Final report. Colorado State University, Fort Collins. 34 pages.
 

 Beyers, D.W., T.J. Keefe and C.A. Carlson. 1994. Toxicity of carbaryl and malathion to two federally endangered fishes, as estimated by regression and anova. Environmental Toxicology and Chemistry 13(1):101-107.
 

 Bristol, R.S. 1994. Polycyclic aromatic hydrocarbon investigation for the San Juan River, San Juan County, New Mexico. U.S. Fish and Wildlife Service, Albuqueque, New Mexico. 12 pages + appendices.
 

 Brookshire, D.S., M. McKee and G. Watts. 1994. Economic analysis of critical habitat designation in the Colorado River basin for the razorback sucker, humpback chub, Colorado squawfish, and bonytail. Final report. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Brown, D.E., ed. 1994. Biotic communities: southwestern United States and northwestern Mexico. University of Utah Press, Salt Lake City. 342 pages.
 

 Burdick, B.D. 1994. Conceptual management plan for habitat enhancement in flooded bottomlands, Gravel Pit at 29-5/8 Road, Colorado River near Grand Junction, Colorado. Colorado River Recovery Program. 25 pages.
 

 Burdick, B.D. 1994. Conceptual management plan for habitat enhancement in flooded bottomlands, Escalante State Wildlife Area, Gunnison River downstream of Delta, Colorado. Colorado River Recovery Program. 38 pages.
 

 Burke, T., et.al. 1994. Lake Mohave razorback sucker rearing program: 1994 accomplishments. 8 pages.
 

 Butler, D.L., W.G. Wright, K.C. Stewart, B.C. Osmundson, R.P. Krueger and D.W. Crabtree. 1994. Detailed study of selenium and other constituents in water, bottom sediment, soil, alfalfa, and biota associated with irrigation drainage in the Uncompahgre Project Area and in the Grand Valley, west-central Colorado, 1991-93. U.S. Geological Survey, Water-Resources Investigations. 136 pages.
 

 Carothers, C. and C. Sealing. 1994. Native fish of Colorado, 1994 report for speckled dace, mountain sucker, brook stickleback, flannelmouth sucker, roundtail chub, Colorado squawfish, bluehead sucker, Colorado River cutthroat trout, mottled sculpin, humpback chub, and razorback sucker. Colorado Division of Wildlife. 9 pages + maps.
 

 Clarkson, R.W., O.T. Gorman, D.M. Kubly, P.C. Marsh and R.A. Valdez. 1994. Management of discharge, temperature, and sediment in Grand Canyon for native fishes. Privately published, Phoenix, Arizona. 29 pages.
 

 Clarkson, R.W., T.L. Hoffnagle and A.T. Robinson. 1994. Transport and fate of early life stage native fishes in Grand Canyon, Arizona. Proceedings of the 1994 Annual Meeting of the American Fisheries Society Western Division, Northern Arizona University, Flagstaff.
 

 Collins, K. 1994. Conceptual management plan for razorback sucker habitat enhancement in flooded bottomlands, Scott M. Matheson Wetland Preserve Moab, Utah. Colorado River Recovery Program. 36 pages.
 

 Colorado Ecosystem Partnership. 1994. Colorado Ecosystem Partnership...Governments, Citizens and Scientists Working Together... Colorado Ecosystem Partnership.
 

 Cooper, D. and C. Severn. 1994. Wetlands of the Ouray National Wildlife Refuge, Utah: hydrology, water chemistry, vegetation, invertebrate communities, and restoration potential. Final report. U.S. Fish and Wildlife Service, Denver, Colorado. 79 pages.
 

 Cooper, D.J. and C. Severn. 1994. Baseline reports on five upper basin bottomland sites. Final. 403 pages.
 

 Cowdell, B.R. and R.A. Valdez. 1994. Effects of pulsed DC electroshock on adult roundtail chub in the Colorado River in Colorado. North American Journal of Fisheries Management 14:659-660.
 

 Cranney, J.S. 1994. Lower Duchesne River fishery investigations 1993. Draft report. Utah Division of Wildlife Resources, Vernal. 36 pages.
 

 Davis, D.L., D.K. Shiozawa and R.P. Evans. 1994. An appraisal of the usefulness of polymerase chain reaction amplified mitochondrial DNA to separate some western catostomids. Proceedings of the Desert Fishes Council 25:30.
 

 Douglas, M.E., P.C. Marsh and W.L. Minckley. 1994. Indigenous fishes of western North America and the hypothesis of competitive displacement: Meda fulgida (Cyprinidae) as a case study. Copeia 1994:9-19.
 

 Dowling, T.E. and W.L. Minckley. 1994. Genetic diversity of razorback sucker as determined by restriction endonuclease analysis of mitochodrial DNA. Award no. 0-FC-40-09530-004. Arizona State University, Tempe. 45 pages.
 

 Drill, S.L. 1994. Genetic analysis of artificial propagation of the endangered razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 26:29.
 

 Elmblad, W.R., et al. 1994. State of Colorado Department of Natural Resources Division of Wildlife: lake management plans for the northwest region. Colorado Division of Wildlife.
 

 Escandon, A.E.T. 1994. Morphological and physiological aspects of swimming performance among three cyprinid fishes: arroyo chub, Gila orcutti, bonytail chub, Gila elegans, and fathead minnow, Pimephales promelas. Doctoral dissertation, University of California, Los Angeles.
 

 Fischer, H. 1994. Building Economic Incentives into the Endangered Species Act. Third edition. Defenders of Wildlife, Washington, D.C. 123 pages.
 

 Gobalet, K.W. 1994. Additional archaeological evidence for Colorado River fishes in the Salton Basin of southern California. Bulletin of the Southern California Academy of Sciences 93(1):38-41.
 

 Gold, J.R. and Y. Li. 1994. Chromosomal NOR karyotypes and genome size variation among squawfishes of the genus Ptychocheilus (Teleostei: Cyprinidae). Copeia 1994(1):60-65.
 

 Gorman, O.T. 1994. Habitat use by the humpback chub, Gila cypha, in the Little Colorado River and other tributaries of the Colorado River. Final report. U.S. Fish and Wildlife Service, Flagstaff, Arizona.
 

 Gorman, O.T., S.C. Leon and J.M. Seals. 1994. Habitat use by native fishes in the Little Colorado River in the vicinity of the Grand Canyon. Proceedings of the Desert Fishes Council 25:15.
 

 Gorman, O.T., S.C. Leon and J.M. Seals. 1994. Glen Canyon Environmental Studies Phase II draft final report. Habitat use by humpback chub, Gila cypha, in the Little Colorado River and other tributaries of the Colorado River. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Flagstaff, Arizona.
 

 Gutermuth, F.B., L.D. Lentsch and K.R. Bestgen. 1994. Collection of age-0 razorback sucker (Xyrauchen texanus) in the Lower Green River, Utah. Southwestern Naturalist 39(4):389-391.
 

 Haines, G.B. and T. Modde. 1994. An evaluation of marking techniques for young Colorado squawfish. Final report. U.S. Fish and Wildlife Service, Vernal, Utah. 24 pages.
 

 Hamill, J. 1994. Recovery implementation program for endangered fishes in the upper Colorado River basin. Page 299 in American River Management Society, eds. Rivers Without Boundaries: Proceedings of the Second Biannual ARMS Symposium on River Planning and Management, American River Management Society.
 

 Hamill, J.F. 1994. Endangered Colorado River fishes (upper basin). Proceedings of the Desert Fishes Council 25:1-2.
 

 Hamilton, S.J. and B. Waddell. 1994. Selenium in eggs and milt of razorback sucker (Xyrauchen texanus) in the Middle Green River, Utah. Archives of Environmental Contamination and Toxicology 27(2):195-201.
 

 Hamman, R.L., J.E. Johnson and H.M Tyus. 1994. Colorado squawfish. Contributions to a compendium. Pages 364-365 in C.G. Thelander, ed. Life on the Edge: A Guide to California's Endangered Natural Resources Wildlife. Biosystem Books, Santa Cruz, California.
 

 Harvey, M.D and R.A. Mussetter. 1994. Geologic, geomorphic and hydraulic controls at spawning locations for endangered Colorado squawfish. Mussetter Engineering, Fort Collins, Colorado.
 

 Harvey, M.D. and R.A. Mussetter. 1994. Green River endangered species habitat investigations. Resource Consultants & Engineers, Inc., Fort Collins, Colorado. RCE Ref. No. 93-166.02.
 

 Hendrickson, D.A. and E.B. Brothers. 1994. Utility of otoliths of Grand Canyon humpback chub Gila cypha for age determinations and as indicators of ecological history of individuals. Proceedings of the Desert Fishes Council 25:30-31.
 

 Hoffnagle, T.L., W.R. Persons and G. Doster. 1994. Use of backwater areas by juvenile native fishes in the Colorado River. Proceedings of the Desert Fishes Council 25:33-34.
 

 Holden, P.B. 1994. Razorback sucker investigations in Lake Mead, 1994. Report of Bio/West, Inc., Logan, Utah, to Southern Nevada Water Authority. Southern Nevada Water Authority.
 

 Horn, M.J., P.C Marsh, G.A. Mueller and T.A. Burke. 1994. Predation by odonate nymphs on larval razorback suckers (Xyrauchen texanus) under laboratory conditions. Southwestern Naturalist 39(4):371-374.
 

 Houlberg, L.M., G.T. Hawkins, M.S. Salk, G.S. Danford and E.B. Lewis. 1994. Environmental Regulatory Update Table, January--February 1994. Oak Ridge National Laboratory, Tennessee. 106 pages.
 

 Houlberg, L.M., G.T. Hawkins, M.S. Salk, G.S. Danford and E.B. Lewis. 1994. Environmental Regulatory Update Table, November--December 1993. Oak Ridge National Laboratory, Tennessee. 180 pages.
 

 Hubert, W.A. and T.M. Patton. 1994. Fish catches with hoop nets of two designs in the Laramie River, Wyoming. Prairie Naturalist 26(1):1-10.
 

 Hydrosphere Resource Consultants. 1994. Yampa River basin recommended alternatives, detailed feasibility study. Draft. Hydrosphere Resource Consultants, Inc., Boulder, Colorado.
 

 Illinois Natural History Survey. 1994. Etter Pond razorback sucker genetics report. Illinois Natural History Survey, Center for Aquatic Ecology (Genetics Panel), 2.
 

 Irving, D.B. and T. Modde. 1994. Assessment of Colorado squawfish in the White River, Colorado and Utah, 1992-1994. Final report. U.S. Fish and Wildlife Service, Vernal, Utah. 79 pages.
 

 Jacobs Engineering Group, Inc. 1994. Environmental assessment of remedial action at the Maybell Uranium Mill Tailings Site near Maybell, Colorado: Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 134 pages.
 

 Jacobs Engineering Group, Inc. 1994. Environmental assessment of remedial action at the Maybell Uranium Mill Tailings Site near Maybell, Colorado: Revision 2. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 137 pages.
 

 Jacobs Engineering Group, Inc. 1994. Environmental assessment of remedial action at the Naturita Uranium Processing Site near Naturita, Colorado. Revision 3. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 144 pages.
 

 Jacobs Engineering Group, Inc. 1994. Environmental assessment of remedial action at the Naturita Uranium Processing Site near Naturita, Colorado. Revision 4. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 148 pages.
 

 Jacobs Engineering Group, Inc. 1994. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site near Gunnison, Colorado. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 157 pages.
 

 Jacobs Engineering Group, Inc. 1994. Environmental assessment of remedial action at the Slick Rock Uranium Mill Tailings sites Slick Rock, Colorado. Revision 2. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 157 pages.
 

 Jacobs Engineering Group, Inc. 1994. Environmental assessment of remedial action at the Naturita Uranium Processing Site near Naturita, Colorado: Revision 5. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 159 pages.
 

 Jacobs Engineering Group, Inc. 1994. Environmental assessment of remedial action at the Naturita Uranium Processing Site near Naturita, Colorado. Revision 2. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 161 pages.
 

 Jacobs Engineering Group, Inc. 1994. Environmental assessment of remedial action at the Slick Rock Uranium Mill Tailings sites, Slick Rock, Colorado. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 180 pages.
 

 Jacobs Engineering Group, Inc. 1994. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site near Grand Junction, Colorado. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 185 pages.
 

 Jacobs Engineering Group, Inc. 1994. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site at Grand Junction, Colorado. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 186 pages.
 

 Jacobs Engineering Group, Inc. 1994. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Sites near Slick Rock, Colorado. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 238 pages.
 

 Jensen, B.L. 1994. Fish refugia and captive propagation: a viable aid to conservation and restoration. Threatened Fishes of India, Natcon Publication 4:311-320.
 

 Jensen, B.L. 1994. Annual report, fiscal year 1994. U.S. Fish and Wildlife Service, Dexter, New Mexico. 30 pages.
 

 Lupher, M.L. and R.W. Clarkson. 1994. Temperature tolerance of humpback chub (Gila cypha) and Colorado squawfish (Ptychocheilus lucius), with a description of culture methods for humpback chub in Glen Canyon Environmental Studies Phase II 1993. Annual report. Appendix 4.1 in Arizona Game and Fish Department. Glen Canyon Environmental Studies Phase II 1992 Annual Report. Prepared for the Bureau of Reclamation, Upper Colorado Region, Glen Canyon Environmental Studies, Flagstaff.
 

 Lupher, M.L. and R.W. Clarkson. 1994. Temperature tolerance of humpback chub (Gila cypha) and Colorado squawfish (Ptychocheilus lucius). Proceedings of the Desert Fishes Council 25:38.
 

 Madson, C. 1994. Between two worlds. Wyoming Wildlife 58(11):30-33.
 

 Marsh, P.C. 1994. Rearing native Colorado River fishes in golf course ponds. Arizona State University, Tempe. 22 + pages.
 

 Marsh, P.C. 1994. Abundance, movements, and status of adult razorback sucker, Xyrauchen texanus, in Lake Mohave, Arizona and Nevada. Proceedings of the Desert Fishes Council 25:35-36.
 

 Marsh, P.C. 1994. Protocol for capture of wild razorback sucker larvae from Lake Mohave, Arizona and Nevada. U.S. Bureau of Reclamation, Boulder City, Nevada. 8 pages.
 

 Marsh, P.C. and H.M. Tyus. 1994. Razorback sucker. Contribution to compendium. Pages 372-374 in C.G. Thelander, ed. Life on the Edge: A Guide to California's Endangered Natural Resources. Biosystem Books, Santa Cruz, California.
 

 Martinez, P.J., T.E. Chart, M.A. Trammell, J.G. Wullschleger and E.P. Bergersen. 1994. Fish species composition before and after construction of a main stem reservoir on the White River, Colorado. Environmental Biology of Fishes 40(3):227-239.
 

 McAda, C.W., J.W. Bates, J.S. Cranney, T.E. Chart, W.R. Elmblad and T.P. Nesler. 1994. Interagency Standardized Monitoring Program. Summary of results, 1993. Final report. U.S. Fish and Wildlife Service, Denver, Colorado. 16 pages + appendices.
 

 McAda, C.W., J.W. Bates, J.S. Cranney, T.E. Chart, W.R. Elmblad and T.P. Nesler. 1994. Interagency Standardized Monitoring Program. Summary of results, 1986-1992. Final report. U.S. Fish and Wildlife Service, Recovery Implementation Program for the Endangered Fishes of the Upper Colorado River Basin, Denver, Colorado.
 

 Minckley, C.O. 1994. Report of the U.S. Fish and Wildlife Service Parker Fishery Resource Office. Proceedings of the Desert Fishes Council 25:6-9.
 

 Modde, T. and D.B. Irving. 1994. Conceptual management plan for habitat enhancement in Old Charley Wash. Colorado River Recovery Program. 31 pages.
 

 Mueller, G. 1994. Interagency work group attempts to save razorback sucker in Lake Mohave. Colorado Plateau 4(2):4-5.
 

 Mueller, G., T. Burke and M. Horn. 1994. Program to maintain the endangered razorback sucker in a highly modified riverine habitat. Pages 77-85 in W.O. Deason and S.S. Anderson, eds. Environmental Enhancements of Water Projects. U.S. Committee on Irrigation and Drainage, Denver, Colorado.
 

 Mussetter, R.A. and M.D. Harvey. 1994. Yampa River endangered fish species habitat investigations. Resource Consultants and Engineers, Inc.
 

 Muth, R.T. and D.E. Snyder. 1994. Diets of young Colorado squawfish and other small fish in backwaters of the Green River, Colorado and Utah. Colorado State University Department of Fisheries and Wildlife Biology, Fort Collins. 25 pages.
 

 National Biological Service. 1994. Selenium may harm razorback suckers in the Green River, Utah. National Biological Service Research Information Bulletin, Number 14.
 

 National Biological Service. 1994. Endangered fish in the Green River of Utah are adversely affected by inorganic contaminants in irrigation water. National Biological Service Research Information Bulletin, Number 29.
 

 No author. 1994. Coordination Committee 3 November 1994. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1994. Coordination Committee 30 June 1994. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Norman, R.E. 1994. Grand Valley water management study: a carrot or a hammer? U.S. Bureau of Reclamation, Water Acquisition Commission, Colorado River Recovery Program. 14 pages.
 

 Otis, E.O. 1994. Distribution, abundance, and composition of fishes in Bright Angel and Kanab Creeks, Grand Canyon National Park, Arizona. Master's thesis, University of Arizona, Tucson. 196 pages.
 

 Pearson, R.P., T.E. Cahill and G.R. Zimmerman. 1994. Letter to the Assistant Secretaries of the United States Department of the Interior, the Honorable George T. Frampton Jr. and Elizabeth Ann Rieke regarding the designation of critical habitat areas for endangered Colorado River fishes. Colorado River Board of California, Glendale. 2 pages.
 

 Philipp, D. 1994. Additional razorback sucker genetics studies. Center for Aquatic Ecology, Illinois Natural History Survey. 6 pages.
 

 Rakowski, C.L., J.C. Schmidt, et al. 1994. Geomorphic response of a sand-bed river to high discharge: effects on Colorado squawfish nursery habitat availability. Utah State University (poster presented at 1993 Fall Meeting of American Geophysical Union). 24 pages.
 

 Raloff, J. 1994. Gender benders, are environmental "hormones" emasculating wildlife? Science News 145(2):24-27.
 

 Repanshek, K. 1994. Fishing for the endangered. Wyoming Wildlife 58(11):34-37.
 

 Richardson, S. 1994. Conceptual management plan for razorback sucker habitat enhancement in flooded bottomlands, Escalante Ranch, Jensen, Utah. Recovery Implementation Program for Endangered Fishes of the Upper Colorado River Basin. 97 pages.
 

 Rinne, J.N. and H.M. Tyus. 1994. Bonytail chub. Contributions to a compendium. Pages 360-361 in C.G. Thelander, ed. Life on the Edge: A Guide to California's Endangered Natural Resources. Biosystem Books, Santa Cruz, California.
 

 Ruiz, L.D. 1994. Contaminants in water, sediment and biota from the Bill Williams River National Wildlife Refuge, Arizona. Master's thesis, University of Arizona, Tucson. 160 pages.
 

 Ryden, D.W. and F. Pfeifer. 1994. San Juan River Recovery Implementation Program annual research report. U.S. Fish and Wildlife Service, Colorado River Fishery Project.
 

 Ryden, D.W. and F.K. Pfeifer. 1994. An experimental stocking plan for razorback suckers in the San Juan River. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Saile, B. 1994. Stock exchange, state, federal officials at odds over West Slope fish plans. The Denver Post, Western Outdoors. Wednesday, January 26, 1994. 1 page plus correspondence.
 

 Satterfield, Jr., J.R. 1994. Summary of responses, Colorado Division Of Wildlife lake management plans. Colorado Division of Wildlife. 46 pages.
 

 Schler, P.  1994. Statewide fish hatchery research: genetics conservation and management for Colorado squawfish. Colorado Division of Wildlife. 14 pages.
 

 Scholz, A.T., M.B. Tilson, R.J. White, S.A. Horton, B. Haines, B. Jensen and R. Hamman. 1994. Thyroxine-induced chemical imprinting in Colorado squawfish (Ptychocheilus lucius) and razorback sucker (Xyrauchen texanus): results of 1993 investigations. Technology Report, Eastern Washington University, Cheney, Washington. Page 5.
 

 Seals, J.M., O.T. Gorman and S.C. Leon. 1994. Stream fish habitat studies in the Little Colorado River: a microhabitat approach. Proceedings of the Desert Fishes Council 25:14-15.
 

 Secretaría de Desarrollo Social. 1994. Diario Oficial de la Federacion. Page 52. Secretaría de Desarrollo Social.
 

 Secretaría de Desarrollo Social. 1994. Diario Oficial de la Federacion. Page 53. Secretaría de Desarrollo Social.
 

 Sjoberg, J.C. 1994. Status summary of the razorback sucker (Xyrauchen texanus) in Lake Mead, Nevada-Arizona. Nevada Division of Wildlife, Reno.
 

 Snyder, D.E. 1994. Effects of electrofishing on fish embryos, larvae, and early juveniles. American Fisheries Society Early Life History Section Newsletter 15(1):10-13.
 

 Stanford, J.A. 1994. Instream flows to assist the recovery of endangered fishes of the upper Colorado River basin. Biological report 24. National Biological Survey, Polson, Montana. 47 pages.
 

 Stanford, J.A. and P.C. Nelson. 1994. Instream flows to assist the recovery of endangered fishes of the upper Colorado River basin. U.S. Fish and Wildlife Service, Denver, Colorado. 92 pages.
 

 Swadener, C. 1994. Insecticide fact sheet, Bacillus theringiensis. Journal of Pesticide Reform 14(3):13-19.
 

 SWCA, Inc. Environmental Consultants. 1994. Feasibility assessment for a multi-species management program, lower Colorado River. Salt Lake City, Arizona Department of Water Resources, Colorado River Board of California, Colorado River Commission of Nevada. 15 pages.
 

 Tiersch, T.R., O. Gorman, H. Williamson and G.J. Carmichael. 1994. Germplasm storage to preserve genetic resources in the razorback sucker and bonytail chub. Proceedings of the Annual Meeting of the Desert Fishes Council.
 

 U.S. Bureau of Land Management. 1994. Moxa Arch Natural Gas Field, WY; EIS. Federal Register.
 

 U.S. Department of Energy. 1994. PacifiCorp capacity sale. Draft environmental impact statement. U.S. Department of Energy, Bonneville Power Administration, Portland, Oregon. 416 pages.
 

 U.S. Department of Energy. 1994. Annual site environmental report for calendar year 1994. U.S. Department of Energy, Golden, Colorado. 68 pages.
 

 U.S. Department of Energy. 1994. Office of Technology Development technical reports. A bibliography. U.S. Department of Energy, Office of Scientific and Technical Information, Oak Ridge, Tennessee. 920 pages.
 

 U.S. Department of Energy. 1994. Salt Lake City Area Integrated Projects Electric Power Marketing. Draft environmental impact statement: Volume 4, Appendixes B-D. U.S. Department of Energy, Western Area Power Administration, Salt Lake City, Utah. 162 pages.
 

 U.S. Department of Energy. 1994. Salt Lake City Area Integrated Projects Electric Power Marketing. Draft environmental impact statement: Volume 1, summary. U.S. Department of Energy, Western Area Power Administration, Salt Lake City, Utah. 31 pages.
 

 U.S. Department of Energy. 1994. Salt Lake City Area Integrated Projects Electric Power Marketing. Draft environmental impact statement: Volume 2, Sections 1-16. U.S. Department of Energy, Western Area Power Administration, Salt Lake City, Utah. 441 pages.
 

 U.S. Environmental Protection Agency. 1994. Watershed protection approach. 1993/94 activity report. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 150 pages.
 

 U.S. Fish and Wildlife Service. 1994. Endangered and threatened wildlife and plants: animal candidate review for listing as endangered or threatened species; proposed rule. Federal Register 59(219):58996.
 

 U.S. Fish and Wildlife Service. 1994. Determination of critical habitat for the Colorado River endangered fishes. Federal Register 59(54):1-13.
 

 U.S. Fish and Wildlife Service. 1994. Determination of critical habitat for four Colorado River fishes. Final rule. Federal Register 59(54):13374-13400.
 

 U.S. Fish and Wildlife Service. 1994. Availability of revised recovery action plan for the recovery implementation program for endangered fish species in the upper Colorado River basin. Federal Register.
 

 U.S. Fish and Wildlife Service. 1994. Designation of critical habitat for the threatened loach minnow and spikedace; final rules. Federal Register.
 

 U.S. Fish and Wildlife Service. 1994. Endangered and threatened wildlife and plants: animal candidate review for listing as endangered or threatened species; proposed rule. Federal Register.
 

 U.S. Fish and Wildlife Service. 1994. Endangered and threatened wildlife and plants: designation of critical habitat for the threatened spikedace (Meda fulgida). Federal Register.
 

 U.S. Fish and Wildlife Service. 1994. Endangered and threatened wildlife and plants: determination of critical habitat for four Colorado River endangered fishes; final rule. Federal Register.
 

 U.S. Fish and Wildlife Service. 1994. Notice of availability of draft modifications to the recovery action plan for the recovery implementation program for the endangered fish species in the Upper Colorado River Basin. Federal Register.
 

 U.S. Fish and Wildlife Service. 1994. Receipt of applications for permit. Federal Register.
 

 U.S. Fish and Wildlife Service. 1994. Refuge-specific hunting and fishing regulations; final rules. Federal Register.
 

 U.S. Fish and Wildlife Service. 1994. Habitat use by humpback chub, Gila cypha, in the Little Colorado River and other tributaries of the Colorado River. Glen Canyon Environmental Studies Phase II Annual Report. 129 pages.
 

 U.S. Fish and Wildlife Service. 1994. Biological opinion on the operation of Glen Canyon Dam. Final. U.S. Fish and Wildlife Service, Phoenix, Arizona.
 

 Valdez, R. 1994. Role of fisheries in managing the Colorado River in Grand Canyon - evaluating the operation of Glen Canyon Dam. Page 255 in American River Management Society, eds. Rivers Without Boundaries: Proceedings of the Second Biannual ARMS Symposium on River Planning and Management, American River Management Society.
 

 Valdez, R.A. and B.R. Cowdell. 1994. Effects of flow regulation and ice formation on overwinter nursery habitat of age-0 Colorado squawfish in the Green River below Flaming Gorge Dam. Annual summary report, 1994. BIO/WEST, Inc., Logan, Utah. 17 pages.
 

 Valdez, R.A. and B.R. Cowdell. 1994. Lake Powell inflow study. Annual summary report 1993. Utah Division of Wildlife Resources, Salt Lake City. 15 + pages.
 

 Valdez, R.A. and B.R. Cowdell. 1994. Lake Powell inflow study. Annual summary report 1994. Utah Division of Wildlife Resources, Salt Lake City. 15 + pages.
 

 Warren, Jr., M.L. and B.M. Burr. 1994. Status of freshwater fishes of the United States: overview of an imperiled fauna. Fisheries 19:6-18.
 

 Wasowicz, A.F. and R.A. Valdez. 1994. Nonlethal technique to recover gut contents of roundtail chub. North American Journal of Fisheries Management 14:656-658.
 

 Wegner, D.L. 1994. Management of the Colorado River at Glen Canyon Dam: a case study for the future? Pages 257-260 in American River Management Society, eds. Rivers Without Boundaries: Proceedings of the Second Biannual ARMS Symposium on River Planning and Management, American River Management Society.
 

 Weiss, S. and O.E. Maughan. 1994. Use of the Paria River by flannelmouth sucker. Proceedings of the Desert Fishes Council 25:28.
 

 Williams, J. 1994. Building conservation partnerships on the Yampa River. Pages 53-55 in American River Management Society, eds. Rivers Without Boundaries: Proceedings of the Second Biannual ARMS Symposium on River Planning and Management, American River Management Society.
 

 Williamson, J.H. and R.S. Wydoski. 1994. Genetics management guidelines. U.S. Fish and Wildlife Service, Denver, Colorado. 40 pages.
 

 Williamson, J.H., R.S. Wydoski and L. Visscher. 1994. Genetics management guidelines. Recovery implementation program for listed and candidate fish species in Region 6. U. S. Fish and Wildlife Service. Denver, Colorado.
 

 Willis, C.F., D.L. Ward and A.A. Nigro. 1994. Development of a systemwide program: stepwise implementation of a predation index, predator control fisheries, and evaluation plan in the Columbia River Basin. Annual report 1992: Volume 1. Multi-group effort, first group listes: Oregon Department of Fish and Wildlife, Portland, Oregon. 363 pages.
 

 Wydoski, R.S. 1994. Memorandum: Species composition of the fish community above and below the Price-Stub Diversion on the Colorado River. 12 pages.
 

 Wydoski, R.S. 1994. Coordinated hatchery facility plan: need for captive-reared endangered fish and propagation facilities. U.S. Fish and Wildlife Service, Denver, Colorado. 133 pages.
 

 Young, C. 1994. New plan outlines steps to recover endangered fishes of the Colorado River system. Endangered Species Technical Bulletin 19(1):18-19.
 

 Young, K.L. 1994. Conservation management of the threatened Little Colorado spinedace (Lepidomeda vittata) and other Arizona Game and Fish Department activities. Proceedings of the Desert Fishes Council 25:13-14.
 

 Allan, N.L., E.O. Otis, S.J. Weiss and O.E. Maughan. 1995. Biotic and abiotic factors affecting distribution of native fishes in streams tributary to the Colorado River in Grand Canyon. Proceedings of the Desert Fishes Council 26:55.
 

 Andrews, E.D., M.B. Bain, K.S. Loins, W.L. Minckley, J.A. Stanford, E. Wohl and R.S. Wydoski. 1995. Highlights of a peer review and roundtable discussion on the relationship of streamflow, geomorphology, and food web studies in recovery of the endangered fishes in the upper Colorado River basin. Colorado River Recovery Program. 15 pages.
 

 Arizona Game and Fish Department. 1995. Native fish diversity review. Arizona Game and Fish Department, Phoenix.
 

 Barrett, P.J. and O.E. Maughan. 1995. Spatial habitat selection of roundtail chub (Gila robusta) in two central Arizona streams. Southwestern Naturalist 40:301-307.
 

 Bauch, N.J. and L.E. Apodaca. 1995. Bibliography, indices, and data sources of water-related studies, upper Colorado River basin, Colorado and Utah, 1872-1995. U.S. Geological Survey, National Water-Quality Assessment Program, Denver, Colorado. 282 pages.
 

 Berg, L.N., A.W. Gustaveson and D.L. Archer. 1995. Fish population trends at Lake Powell determined by annual gill netting and electrofishing during the 1990-1994 period. Utah Division of Wildlife Resources Publication 5(95-23):1-45.
 

 Beyers, D.W. and M.S. Farmer. 1995. Effects of copper on olfaction of Colorado pikeminnow as estimated by behavioral assay. Final report. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Bliesner, R. and V. A. Lamarra. 1995. San Juan River habitat studies. Annual report. Keller-Bliesner Engineering and Ecosystems Research Institute, Logan, Utah. 68 pages.
 

 Bradford, R.H. and B.R. Vlach. 1995. Razorback sucker habitat assessment indices for the lower Colorado River. U.S. Bureau of Reclamation contract report No. 2. Cooperative agreement 3-FC-34-028243. Arizona Game and Fish Department, Phoenix.
 

 Brown, L.I., T.R. Hougaard, K.A. McHugh and R.A. Valdez. 1995. Grand Canyon fisheries integrated database. Draft report. BIO/WEST, Inc., Logan, Utah. 172 pages + appendices.
 

 Burdick, B.D. 1995. Ichthyofaunal studies of the Gunnison River, Colorado 1992-1994. Final report. U.S. Fish and Wildlife Service, Recovery Implementation Program for the Endangered Fishes of the Upper Colorado River Basin, Denver, Colorado. 60 pages.
 

 Burdick, B.D. and F.K. Pfeifer. 1995. Discussion of the merits for fish passage at Hartland Diversion Dam on the Gunnison River near Delta, Colorado. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 8 pages.
 

 Burdick, B.D., R.S. Wydoski and C.W. McAda. 1995. Stocking plan for razorback sucker in the upper Colorado and Gunnison Rivers. Final report. U.S. Fish and Wildlife Service, Recovery Implementation Program for the Endangered Fishes of the Upper Colorado River Basin, Denver, Colorado. 13 pages.
 

 Burkardt, N., et al. 1995. Technical clarity in inter-agency negotiations: lessons from four hydropower projects. Water Resources Bulletin, American Water Resources Association 31(2):187-198.
 

 Burke, T. 1995. Rearing wild razorback sucker larvae in lake-side backwaters, Lake Mohave, Arizona/Nevada. Proceedings of the Desert Fishes Council 26:35.
 

 Buth, D.G., T.R. Haglund and S.L. Drill. 1995. Allozyme variation and population structure in the razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 26:28.
 

 California Department of Fish and Game. 1995. California Department of Fish and Game electrofishing survey. California Department of Fish and Game.
 

 Carpenter, J. 1995. Native and nonnative fish interactions in selected rivers of the southwest and intermountain west. 
 

 Carter, B. and W.A. Hubert. 1995. Factors influencing fish assemblages of a high-elevation desert stream system in Wyoming. Great Basin Naturalist 55(2):169-173.
 

 Chadwick, D.H. 1995. Dead or alive: the Endangered Species Act. National Geographic Magazine, page 187.
 

 Chart, T.E. 1995. Humpback chub reproduction and recruitment, Westwater Canyon 1992-1994. Utah Division of Wildlife Resources, Moab.
 

 Colorado River Wildlife Council. 1995. Minutes Colorado River Fish & Wildlife Council, St. Tropez Hotel, Las Vegas, Nevada. Colorado River Wildlife Council.
 

 Converse, Y.K. 1995. Use of geomorphology to predict subadult humpback chub distribution in the Colorado River of Grand Canyon. Proceedings of the Desert Fishes Council 26:56.
 

 Crowl, T.A ., C.J. Schaugaard and J.C. Schmidt. 1995. Assessing predator prey interactions in a large river within a physical habitat template: ecology meets geomorphology. Bulletin of the Ecological Society of America 76(2 Supplement, Part 2).
 

 Crowl, T.A. and L. Lentsch. 1995. Estimating pike predation of Colorado squawfish. Recovery Implementaion Program Project F-47-R, study number 8. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Crowl, T.A. and L. Lentsch. 1995. Estimating northern pike predation on Colorado squawfish in the Middle Green River: a bioenergetics approach. Utah State University, Department of Fisheries and Wildlife, Logan.
 

 Crowl, T.A., C.J. Schaugaard and G.P. Thiede. 1995. Effects of temperature regime and food availability on growth rates of young-of-the-year Colorado squawfish (Ptychocheilus lucius) in the Green River, Utah. 1995 Annual report, Project # 24. Utah State University, Ecology Center, Logan.
 

 Crowl, T.A., et al. 1995. Using bioenergetics models to determine the potential impact of nonnative predators on endangered fish: an upper Colorado River case study. U.S. Fish and Wildlife Service.
 

 Day, K.S. 1995. Colorado squawfish population trends, upper Green River and lower White River, Utah, 1990-1994. Draft. Utah Division of Wildlife Resources. 29 pages.
 

 Desert Fishes Council. 1995. Proceedings of the Desert Fishes Council Volume XXVI Annual Symposium. Desert Fishes Council, Bishop, California. 149 pages.
 

 Dexter National Fish Hatchery. 1995. Dexter NFH stocking trip record 95-9. Dexter National Fish Hatchery.
 

 Dobberfuhl, A. 1995. Population genetics and phylogenetic relationships of Catostomus latipinnis based on mitochondrial DNA. Master's thesis, Arizona State University, Tempe.
 

 Dowling, T.E., B.D. DeMarais, W.L. Minckley, M.E. Douglas and P.C. Marsh. 1995. Use of genetic characters in conservation biology. Pages 188-191 in D. Ehrenfeld, ed. Readings From Conservation Biology. Society for Conservation Biology and Blackwell Scientific Publisher, Inc., Cambridge, Massachusetts.
 

 Dwyer, F.J., L.C. Sappington, D.R. Buckler and S.B. Jones. 1995. Use of surrogate species in assessing contaminant risk to endangered and threatened fishes. Final report. National Biological Service, Midwest Science Center, Columbia, Missouri. 82 pages.
 

 Flagg, T.A. and C.V.W. Mahnaken. 1995. An assessment of the status of captive broodstock technology for Pacific salmon. Final report. National Oceanic and Atmospheric Administration, Seattle, Washington. 311 pages.
 

 Goodwin, C.N. 1995. Life history and ecology of the humpback chub (Gila cypha) in the Colorado River, Grand Canyon, Arizona: supplement no. vi: flow routing model: a simple method for estimating stream discharge on the Colorado River below Glen Canyon Dam. U.S. Bureau of Reclamation, Upper Colorado River Region, Salt Lake City, Utah. 4 pages.
 

 Gorman, O.T. 1995. Habitat use by the endangered humpback chub (Gila cypha) in the Little Colorado River, Grand Canyon. Bulletin of the Ecological Society of America 76(Suppl. 3):333.
 

 Gorman, O.T. and J.M. Seals. 1995. Habitat use by the endangered humpback chub (Gila cypha) in the Little Colorado River, Arizona near Grand Canyon. Proceedings of the Desert Fishes Council 26:53.
 

 Gorman, O.T., T.R. Tiersch, J.H. Williamson and G.J. Carmichael. 1995. Germplasm storage to preserve genetic resources in the razorback sucker and bonytail chub. Proceedings of the Desert Fishes Council 26:29.
 

 Haines, G.B. 1995. Effects of temperature on hatching success and growth of razorback sucker and flannelmouth sucker. Final report. U.S. Fish and Wildlife Service, Vernal, Utah.
 

 Haines, G.B. and T. Modde. 1995. An evaluation of marking techniques to estimate population size and first year survival of young Colorado squawfish. Proceedings of the Desert Fishes Council 26:106.
 

 Hamill, J.F. 1995. Background and overview of the recovery program for endangered fishes in the upper Colorado River basin. Proceedings of the Desert Fishes Council 26:95.
 

 Hamilton, S.J. 1995. Hazard assessment of inorganics to three endangered fish in the Green River, Utah. Ecotoxicology and Environmental Safety 30(2):134-142.
 

 Hamilton, S.J. and K.J. Buhl. 1995. Hazard assessment of inorganics, singly and in mixtures to Colorado squawfish and razorback sucker in the San Juan River, New Mexico. Final report. U.S. Bureau of Reclamation, San Juan River Recovery Implementation Program, Salt Lake City, Utah. 28 pages.
 

 Hines, R.T. 1995. Influence of suspended sediments on larval razorback sucker, Xyrauchen texanus, vulnerability to predation. Proceedings of the Desert Fishes Council 26:36.
 

 Hlohowskyj, I. and J.W. Hayse. 1995. Potential effects of four Flaming Gorge Dam hydropower operational scenarios on the fishes of the Green River, Utah and Colorado. Argonne National Laboratory, Illionois. 52 pages.
 

 Horn, M.J. 1995. Use of storage lipids as an indicator of nutritional status of individual larvae of the razorback sucker (Xyrauchen texanus). Proceedings of the Desert Fishes Council 26:35.
 

 Hutchinson, A.M. 1995. Inter- and intraspecific relationships of flannelmouth sucker (Catostomus latipinnis) based on mtDNA. Proceedings of the Desert Fishes Council 26:32.
 

 Hydrosphere Resource Consultants. 1995. Reconnaissance evaluation of Yampa River diversion structures. Hydrosphere Resource Consultants, Inc., Boulder, Colorado.
 

 Hydrosphere Resource Consultants. 1995. Yampa River basin recommended alternatives, detailed feasibility study. Final report. Hydrosphere Resource Consultants, Inc., Boulder, Colorado.
 

 Inman, T.C., P.C. Marsh and W.L. Minckley. 1995. Bibliography of the federally endangered bonytail chub (Gila elegans) in the Colorado River of the American Southwest. U.S. Fish and Wildlife Service, Parker, Arizona and Arizona State University, Hayden Library, Special Collections, Tempe.
 

 Irving, D.B. and B.D. Burdick. 1995. Reconnaissance inventory and prioritization of existing and potential bottomlands in the upper Colorado River basin. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Vernal, Utah and Grand Junction, Colorado. 57 pages.
 

 Irving, D.B. and T. Modde. 1995. Migrational behavior and stock differentiation of Colorado squawfish in the White River. Proceedings of the Desert Fishes Council 26:107.
 

 J.F. Sato and Associates, Inc. 1995. Annual site environmental report for calendar year 1995. J.F. Sato and Associates, Inc., Littleton, Colorado. 80 pages.
 

 Jacobs Engineering Group, Inc. 1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site near Naturita, Colorado. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 100 pages.
 

 Jacobs Engineering Group, Inc. 1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site near Durango, Colorado. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 150 pages.
 

 Jacobs Engineering Group, Inc. 1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Sites near Rifle, Colorado. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 150 pages.
 

 Jacobs Engineering Group, Inc. 1995. Environmental assessment of remedial action at the Slick Rock Uranium Mill Tailings sites, Slick Rock, Colorado. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 156 pages.
 

 Jacobs Engineering Group, Inc. 1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site near Green River, Utah. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 200 pages.
 

 Jacobs Engineering Group, Inc. 1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site near Naturita, Colorado. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 200 pages.
 

 Jacobs Engineering Group, Inc. 1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Sites near Slick Rock, Colorado. Revision 1. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 200 pages.
 

 Jacobs Engineering Group, Inc. 1995. Proposed remediation of the Maybell Uranium Mill Processing Site, Maybell, Colorado. Finding of no significant impact. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 22 pages.
 

 Jacobs Engineering Group, Inc. 1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site near Durango, Colorado. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 237 pages.
 

 Jacobs Engineering Group, Inc. 1995. An assessment of potential hydrologic and ecologic impacts of constructing mitigation wetlands, Rifle, Colorado, UMTRA project sites. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 29 pages.
 

 Jenkins, G.P. and D.C. Welsford. 1995. Swimming abilities of recently settled post-larvae of Sillaginodes punctata. Journal of Fish Biology.
 

 LaRoe, E.T., G.S. Farris, C.E. Puckett, P.D. Doran, and M.J. Mac, eds. 1995. Our living resources: a report to the nation on the distribution, abundance, and health of U.S. plants, animals, and ecosystems. U.S. Department of the Interior, National Biological Service, Washington, DC. 530 pages.
 

 Lassuy, D.R. 1995. Introduced species as a factor in extinction and endangerment of native fish species. Pages 391-396 in H.L.J. Schramm and R.G. Piper, eds. Uses and Effects of Cultured Fishes in Aquatic Ecosystems: Proceedings of the international Symposium and Workshop held in Albuquerque, New Mexico. American Fisheries Society.
 

 Leibfried, W.C. and R.A. Valdez. 1995. Food habits and electivity indices of the endangered humpback chub, Gila cypha from the Colorado River in Grand Canyon National Park. Proceedings of the Desert Fishes Council 26:122.
 

 Lovich, J. E 1995. Wildlife and weeds: life in an alien landscape. California Exotic Pest Plant Council Newsletter 3:4-5.
 

 Lynch, J.M., D.M. McElroy and M.E. Douglas. 1995. Geometric analysis of morphological variation in Colorado River chub (Gila cypha and G. robusta). Proceedings of the Desert Fishes Council 26:102.
 

 Maddux, H.R., J.A. Mizzi, S.J. Werdon and L.A. Fitzpatrick. 1995. Overview of the proposed critical habitat for the endangered and threatened fishes of the Virgin River basin. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 47 pages.
 

 Marsh, P.C. 1995. Biological assessment of the impact on federally listed fishes of a water line and intake crib installation at Telephone Cove, Lake Mohave, Arizona (McAlister Intake Facility, Great Life Subdivision). Arizona State University, Tempe. 23 pages.
 

 Marsh, P.C. and M.E. Douglas. 1995. Humpback chub as food of nonnative fishes in the Little Colorado River. Proceedings of the Desert Fishes Council 26:55.
 

 Marsh, P.C. and W.L. Minckley. 1995. Recovery of a desert river fish: the long road back from the brink of extinction. Arizona Conservation Voter 4(2):7-8.
 

 Marsh, P.C. and W.L. Minckley. 1995. Species profile: razorback sucker (Xyrauchen texanus). Arizona Riparian Council 8(3):7-8.
 

 Martinez, A.M. 1995. Observed fin ray deformities resulting from handling stress in the intensive culture of razorback suckers. Colorado Division of Wildlife Fish Research Hatchery. 15 pages.
 

 McAda, C.W., W.R. Elmblad, T.E. Chart, K.S. Day and M.A. Trammell. 1995. Interagency Standardized Monitoring Program. Summary of results, 1994. Final report. U.S. Fish and Wildlife Service, Denver, Colorado. 17 pages + appendices.
 

 McElroy, D.M. and M.E. Douglas. 1995. Patterns of morphological variation among endangered populations of Gila robusta and Gila cypha (Teleoseti: Cyprinidae) in the upper Colorado River basin. Copeia 3:636-649.
 

 Minckley, W.L. 1995. Fish distribution in the Gila River basin, American Southwest. Update to the first annual report, with examples of deliverables. Draft. American Rivers, Arizona State University, U.S. Fish and Wildlife Foundation, U.S. Bureau of Reclamation, U.S. Fish and Wildlife Service and U.S. Forest Service. 3 + pages.
 

 Minckley, W.L. 1995. Translocation as a tool for conserving imperiled fishes: Experiences in western United States. Biological Conservation 72(2):297-309.
 

 Mitchell, M.J. 1995. Impact of the procedures for stocking nonnative fish species in the upper Colorado River basin on private landowners and the commercial aquaculture industry: inventory of public and private ponds along the upper Colorado and lower Gunnison Rivers in Color Queen of the River Fish Company., Inc., Longmont, Colorado.
 

 Modde, T. and D.B. Irving. 1995. Seasonal movements of razorback sucker in the middle Green River, Utah. Proceedings of the Desert Fishes Council 26:27.
 

 Modde, T. and G. Smith. 1995. Flow recommendations for endangered fishes in the Yampa River. U.S. Fish and Wildlife Service, Denver, Colorado. 45 pages.
 

 Modde, T., A.T. Scholz, J.H. Williamson, G.B. Haines, B.D. Burdick and F.K. Pfeifer. 1995. An augmentation plan for razorback sucker in the upper Colorado River basin. American Fisheries Society 15:102-111.
 

 Moyle, P.B. 1995. Fish: An Enthusiast's Guide. University of California Press, Berkeley.
 

 Mueller, G. 1995. Program for maintaining the razorback sucker in Lake Mohave. Pages 127-135 in H.L.J. Schramm and R.G. Piper, eds. Uses and Effects of Cultured Fishes in Aquatic Ecosystems: Proceedings of the International Symposium and Workshop Held in Albuquerque, New Mexico, March 1994. Volume 15. American Fisheries Society.
 

 Mueller, G. and P.C. Marsh. 1995. Bonytail and razorback sucker in the Colorado River Basin. Pages 324-326 in E.T. LaRoe, G.S. Farris, C.E. Puckett, D. Doran and M.J. Mac, eds. Our Living Resources: A Report to the Nation on the Distribution, Abundance, and Health of U.S. Plants, Animals, and Ecosystems.
 

 Mueller, G.A. 1995. Program for maintaining the razorback sucker in Lake Mohave. Uses and effects of cultured fishes in aquatic ecosystems. Proceedings of the International Symposium and Workshop held in Albuquerque, New Mexico, 12-17 March 1994. Harold L. Schramm Jr. and Robert G. Piper, eds. American Fisheries Society (15):127-135.
 

 Mueller, G.A. and R. Wydoski. 1995. Fish survey of the San Juan River inflow area of Lake Powell, March 13-28, 1995. U.S. National Biological Service, Denver, Colorado.
 

 Muth, R.T. 1995. Conceptual-framework document for development of a standardized monitoring program for basin-wide evaluation of restoration activities for razorback sucker in the Green and Upper Colorado River systems. Final report. Upper Colorado River Basin, Denver, Colorado.
 

 Muth, R.T. and D.E. Snyder. 1995. Diets of young Colorado squawfish and other small fish in backwaters of the Green River, Colorado and Utah. Great Basin Naturalist 55:95-104.
 

 Muth, R.T. and S.M. Meismer. 1995. Marking otoliths in razorback sucker embryos and larvae with fluorescent chemicals. Southwestern Naturalist 40(2):241-244.
 

 National Biological Service. 1995. Irrigation drainwater may be harmful to endangered fish in the Green River of Utah. National Biological Service Research Information Bulletin, Number 8.
 

 Nelson, P.C., C.W. McAda and D. Wydoski. 1995. Potential for nonnative fishes to occupy and/or benefit from enhanced or restored floodplain habitat and adversely impact the razorback sucker. An issue paper. U.S. Fish and Wildlife Service, Denver, Colorado. 8 pages + appendices.
 

 Nesler, T.P. 1995. Interactions between endangered fishes and introduced game fishes in the Yampa River, Colorado 1987-1991. Colorado Division of Wildlife, Fort Collins. 184 pages.
 

 No author. 1995. Coordination Committee Meeting April 20, 1995. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1995. Coordination Committee meeting summary 28 September 1995. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1995. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Sites near Rifle, Colorado. U.S. Department of Energy, Contract AC04-91AL62350. Report number: DOE/AL/62350--179. 252 pages.
 

 Olver, C.H., B.J., Shuter and C.K. Minns. 1995. Toward a definition of conservation principles for fisheries management. Canadian Journal of Fisheries and Aquatic Sciences 52:1584-1594.
 

 Osmundson, D.B., P. Nelson, K. Fenton and D.W. Ryden. 1995. Relationships between flow and rare fish habitat in the "15-mile Reach" of the Upper Colorado River. Final report. U.S. Fish and Wildlife Service, Recovery Implementation Program for the Endangered Fishes of the Upper Colorado River Basin, Denver, Colorado. 71 pages.
 

 Pfeifer, F.K., C.W. McAda, B.D. Burdick, R.M. Anderson, T.E. Chart and M.A. Trammell. 1995. Colorado River Recovery Program activities related to the Gunnison River and operation of the Aspinall Unit of the Colorado River Storage Project. Proceedings of the Desert Fishes Council 26:96.
 

 Philippart, J.C. 1995. Is captive breeding an effective solution for the preservation of endemic species? Biological Conservation 72(2):281-295.
 

 Propst, D.L. 1995. Native fish research and management in New Mexico during 1993 and 1994. Proceedings of the Desert Fishes Council 26:14.
 

 Qixing, Z. and D. Limei . 1995. Joint effects of chromium and phenol on marine prawns (Penaeus japonicus). Marine Pollution Bulletin 31(4-12):387-389.
 

 Reimus, C.R. 1995. Morphometric analysis of osteological components of the pre-dorsal keel of razorback sucker (Xyrauchen texanus). Master's thesis, Arizona State University, Tempe. 53 pages.
 

 Reimus, C.R. 1995. Morphological changes related to growth in razorback sucker, Xyrauchen texanus. Proceedings of the Desert Fishes Council 26:28.
 

 Riley, L. 1995. Personal communication, inter-office memo to B. Spicer. Arizona Game and Fish Department, Phoenix, Arizona.
 

 Ruppert, J.B. 1995. Effects of electrofishing fields on embryos and larvae of razorback sucker. Proceedings of the Desert Fishes Council 26:38-39.
 

 Ruppert, J.B. and R.T. Muth. 1995. Effects of electrofishing fields on embryos and larvae of razorback sucker. Final report. Colorado State University Larval Fish Laboratory, Fort Collins. 16 pages.
 

 Ryel, R.J. and R.A. Valdez. 1995. Life history and ecology of the humpback chub (Gila cypha) in the Colorado River, Grand Canyon, Arizona: supplement supplement no. v.: population model. 
 

 Ryel, R.J. and R.A. Valdez. 1995. Development of a population model for humpback chub (Gila cypha) in Grand Canyon, Phase I : a feasibility evaluation. BIO/WEST, Inc., Logan, Utah. 43 pages + tables.
 

 Sappington, L.C.  1995. Use of surrogate species in assessing contaminant risk to endangered and threatened fishes. 90 pages.
 

 Schaugaard, C.J. and T.A. Crowl. 1995. Effects of temperature regime and food availability on growth rates of Colorado squawfish (Ptychocheilus lucius) in the Green River, Utah. Proceedings of the Desert Fishes Council 26:108.
 

 Seals, J.M. and O.T. Gorman. 1995. Habitat use by speckled dace (Rhinichthys osculus), bluehead sucker (Catistomus discobolus), and flannelmouth sucker (Catostomus latipinnis) in the Little Colorado River, Arizona near Grand Canyon. Proceedings of the Desert Fishes Council 26:54.
 

 Sjoberg, J.C. 1995. Historic distribution and current status of the razorback sucker in Lake Mead, Nevada-Arizona. Proceedings of the Desert Fishes Council 26:24-27.
 

 Snyder, D.E. 1995. Impacts of electrofishing on fish. Fisheries 20(1):26-27.
 

 Snyder, D.E. and S.M. Meismer. 1995. Efficiency of light traps for capture and retention of larval and young-of-the-year juvenile razorback sucker. Proceedings of the Desert Fishes Council 26:37.
 

 Stalnaker, C.B., B.L. Lamb, J. Henriksen, K. Bovee and J.Bartholow. 1995. Instream flow incremental methodology, a primer for IFIM. U.S. Geological Survey, Biological Report 29, Washington, D.C. 45 pages.
 

 Starnes, W.C. 1995. Taxonomic validation for fish species on the U.S. Fish and Wildlife Service category 2 species list, brdsar0009. National Biological Survey, Biological Survey Project, Patuxent Environmental Research Center, Washington, D.C.
 

 Starnes, W.C. 1995. Colorado River Basin fishes. Pages 149-152 in E.T. LaRoe, G.S. Farris, C.E. Puckett, D. Doran and M.J. Mac, eds. Our Living Resources: A Report to the Nation on the Distribution, Abundance, and Health of U.S. Plants, Animals, and Ecosystems.
 

 Stempel, M. and R.S. Wydoski. 1995. Guidelines for disposition of captive-reared endangered fish. Draft environmental assessment. U.S. Fish and Wildlife Service. 14 pages.
 

 Tetra Tech, Inc. 1995. Phase I inventory of current EPA efforts to protect ecosystems. Tetra Tech, Inc., Fairfax, Virginia. 365 pages.
 

 Tiersch, T.R.  1995. Cryopreservation of fish sperm: laboratory, hatchery and field studies of twenty species. Proceedings of the International Symposium on the Reproductive Physiology of Fish (5):147.
 

 Tuegel, M., T. Hoffnagle, M. Brouder, K. Tinning and B. Persons. 1995. Arizona Game and Fish Department and Bio/West, Inc. native fish interim monitoring study. Arizona Game and Fish Department, Phoenix.
 

 U.S. Bureau of Land Management. 1995. Notice of extension of public comment period and list of proposed areas of critical environmental concern. Federal Register 60(36):10104-10105.
 

 U.S. Bureau of Reclamation. 1995. Operation of Glen Canyon Dam. Final environmental impact statement summary. 
 

 U.S. Bureau of Reclamation. 1995. Navajo Unit, Colorado River Storage Project, Colorado-New Mexico. Federal Register 60(37):10405-10406.
 

 U.S. Bureau of Reclamation. 1995. Environmental assessment Gunnison River activities, passageway around the Redlands Diversion Dam and interim agreement to provide water for endangered fish. Final. U.S. Bureau of Reclamation and U.S. Fish and Wildlife Service, Grand Junction, Colorado. 58 + pages.
 

 U.S. Bureau of Reclamation. 1995. Pilot for long-term monitoring of resources on the Colorado River in the Grand Canyon using geographic information systems. U.S. Bureau of Reclamation. 68 pages.
 

 U.S. Department of Energy. 1995. Proposed remedial action at two uranium processing sites near Slick Rock, Colorado. Finding of no significant impact. Federal Register 60(36):10069-10072.
 

 U.S. Department of Energy. 1995. Environmental assessment for the Uranium Lease Management Program. Final. U.S. Department of Energy, Grand Junction, Colorado. 105 pages.
 

 U.S. Department of the Interior. 1995. Quality of water, Colorado River basin. U.S. Department of the Interior. 103 pages.
 

 U.S. Environmental Protection Agency. 1995. National pollutant discharge elimination system storm water multi-sector general permit for industrial activities; notice. Final. Federal Register 60(189):50804-51319.
 

 U.S. Environmental Protection Agency. 1995. Geographic index of environmental articles, 1994. U.S. Environmental Protection Agency, Office of Research and Development, Center for Environmental Research Informaition, Cincinnati, Ohio. 126 pages.
 

 U.S. Environmental Protection Agency. 1995. Ecological impacts from climate change: economic analysis of fresh water recreational fishing (includes insert). U.S. Environmental Protection Agency, Policy, Planning and Evaluation. 236 pages.
 

 U.S. Environmental Protection Agency. 1995. Registration eligibility decision (RED): sodium fluoroacetate. U.S. Environmental Protection Agency, Washington, D.C. 112 pages.
 

 U.S. Fish and Wildlife Service. 1995. San Juan River Basin Recovery Implementation Program. 
 

 U.S. Fish and Wildlife Service. 1995. Endangered and threatened wildlife and plants: proposed change from subspecies to vertebrate population segment for Virgin River chub. Federal Register 60(141):37866-37868.
 

 U.S. Fish and Wildlife Service. 1995. Endangered and threatened wildlife and plants: proposed determination of critical habitat for woundfin, Virgin River chub, and Virgin spinedace and notice of public hearing. Federal Register 60(65):17296-17311.
 

 U.S. Fish and Wildlife. 1995. Federally listed endangered and threatened species footage roll (Betacam SP). U.S. Fish and Wildlife Service, Washington, D.C.
 

 Underwood, K.D. and J.P. Shields. 1995. Lake Roosevelt fisheries and limnological research. Annual report. Bonneville Power Administration, Public Information Center-CKPS-1, Portland, OR. Report number: DOE/BP/91819--15. 349 pages.
 

 United States Congress. 1995. Fish passage technologies, protection at hydropower facilities. U.S. Government Printing Office. 167 pages.
 

 Upper Colorado River Commission. 1995. Forty-seventh annual report of the Upper Colorado River Commission. Upper Colorado River Commission, Salt Lake City, Utah. 99 pages.
 

 Valdez, R.A. 1995. Synthesis of winter investigation of endangered fish in the Green River below Flaming Gorge Dam. Study #18-11. BIO/WEST, Inc., Logan, Utah.
 

 Valdez, R.A. and R.J. Ryel. 1995. Life history and ecology of the humpback chub (Gila cypha) in the Colorado River, Grand Canyon, Arizona. Report # TR-250-08. BIO/WEST, Inc., Logan, Utah.
 

 Van Steeter, M.M., J. Pitlick, et al. 1995. Aerial photograph/GIS analysis and field studies of the Grand Valley and Ruby-Horsethief Canyon of the Colorado River. University of Colorado, Department of Geography. 93 pages.
 

 Virgin River Fishes Recovery Team. 1995. Recovery plan for the Virgin River fishes. Virgin River Recovery Team. 45 pages.
 

 Waddell, B. and T. May. 1995. Selenium concentrations in the razorback sucker (Xyrauchen texanus): substitution of non-lethal muscle plugs for muscle tissue in contaminant assessment. Archives of Environmental Contamination and Toxicology 28(3):321-326.
 

 Wasowicz, A. and R.A. Valdez. 1995. Historic and present distribution and abundance of humpback chub in Grand Canyon, Arizona. Proceedings of the Desert Fishes Council 26:57.
 

 Willis, C.F. and D.L. Ward. 1995. Development of a systemwide predator control program: Stepwise implementation of a predation index, predator control fisheries, and evaluation plan in the Columbia River Basin: Volume I - Implementation, Annual report, 1993. U.S. Department of Energy, Bonneville Power Administration, Portland, Oregon. 352 pages.
 

 Wolz, E.R. and D.K. Shiozawa. 1995. Soft sediment benthic macroinvertebrate communities of the Green River at the Ouray National Wildlife Refuge, Uintah County, Utah. Great Basin Naturalist 55(3):213-224.
 

 Alvarez, F. and J. Caleron. 1996. Distribution of Loxothylacus texanus (Cirripedia: Rhizocephala) parasitizing crabs of the genus Callinectes in the Southwestern Gulf of Mexico. Gulf Research Reports (Ocean Springs) 9(3):205-210.
 

 Amin, O.M. and W.L. Minckley. 1996. Parasites of some fish introduced into an Arizona reservoir, with notes on introduction. Journal of Helminthological Society of Washington 63(2):193-200.
 

 Anonymous. 1996. Squawfish spawn in Gunnison River. Newsletter of the recovery program for the endangered fishes of the upper Colorado River. Fall 1996. U.S. Fish and Wildlife Service, Colorado. 8 pages.
 

 Apodaca, L.E., N.E. Driver, V.C. Stephens and N.E. Spahr. 1996. Environmental setting and implications on water quality, upper Colorado River basin, Colorado And Utah. U.S. Geological Survey, Water-Resources Investigations Report 95-4263. 33 pages.
 

 Arizona Game and Fish Department. 1996. Wildlife of special concern in Arizona. Draft. Arizona Game and Fish Department, Phoenix, Arizona. 32 pages.
 

 Arizona Game and Fish Department. 1996. Ecology of Grand Canyon backwaters. Final report to U.S. Bureau of Reclamation, Upper Colorado Region. Arizona Game and Fish Department, Phoenix.
 

 Arizona Game and Fish Department. 1996. Mainstem studies. Glen Canyon Enviromental Studies final report. Arizona Game and Fish Department, Phoenix.
 

 Arizona Game and Fish Department. 1996. Effects of an experimental flood on the aquatic biota and their habitats in the Colorado River, Grand Canyon, Arizona. Final report. Arizona Game and Fish Department, Phoenix. 94 pages.
 

 Babbitt, B. 1996. Establishing roots in our landscapes of complexity: remarks by Interior Secretary Bruce Babbitt. 
 

 Bennett, J.R., D.A. Krieger, T.P. Nesler, L.E. Harris and R.B. Nehring. 1996. An assessment of fishery management and fish production alternatives to reduce the impact of whirling disease in Colorado. Colorado Division of Wildlife, Task Group Report, Denver. 96 pages.
 

 Bestgen, K.R. 1996. Growth, survival, and starvation resistance of Colorado squawfish larvae. Environmental Biology of Fishes 46(2):197-209.
 

 Brookshire, D., M. McKee and S. Stewart. 1996. Four corners regional focus on the economic impact of critical habitat designation for the razorback sucker, humpback chub, Colorado squawfish, and bonytail. University of New Mexico, Albuquerque, New Mexico. 83 pages.
 

 Buhl, K.J. and S.J. Hamilton. 1996. Toxicity of inorganic contaminants, individually and in environmental mixtures, to three endangered fishes (Colorado squawfish, bonytail, and razorback sucker). Archives of Environmental Contamination and Toxicology 30:84-92.
 

 California Department of Fish and Game. 1996. California Department of Fish and Game electrofishing survey. California Department of Fish and Game.
 

 Carmichael, G.J., J.H. Williamson, O.T. Gorman and T.R. Tiersch. 1996. Field propagation techniques for the endangered razorback sucker. North American Journal of Fisheries Management 16(4):963-966.
 

 Childs, M.R. and R.W. Clarkson. 1996. Temperature effects on swimming performance of larval and juvenile Colorado squawfish: implications for survival and species recovery. Transactions of the American Fisheries Society 125(6):940-947.
 

 Collins, K. and D.K. Shiozawa. 1996. Effects of fish predation on backwater invertebrate communities of the Green River, Utah. Final report. U.S. Fish and Wildlife Service, Vernal, Utah. 22 pages.
 

 Committee to Review the Glen Canyon Environmental Studies. 1996. Organisms and biological processes. Pages 84-117 in River Resource Management in the Grand Canyon. National Academy Press, Washington, D.C.
 

 Converse, Y.K. 1996. Geomorphic assessment of subadult humpback chub habitat in the Colorado River through Grand Canyon. Master's thesis, Utah State University, Logan.
 

 Crowl, T.A., L.D. Lentsch, P. Thompson and Y. Converse 1996. Ecological aspects for the reintroduction of bonytail Gila elegans in the upper basin of the Colorado River. Proceedings of the Desert Fishes Council 28:30-31.
 

 Desert Fishes Council. 1996. Proceedings of the Desert Fishes Council Volume XXVII Annual Symposium. Desert Fishes Council, Bishop, California. 129 pages.
 

 Dexter National Fish Hatchery. 1996. Dexter NFH stocking trip record 96-4. Dexter National Fish Hatchery.
 

 Dexter National Fish Hatchery. 1996. Dexter NFH stocking trip record 96-7. Dexter National Fish Hatchery.
 

 Dexter National Fish Hatchery. 1996. Dexter NFH stocking trip record 96-7. Dexter National Fish Hatchery.
 

 Douglas, M.E. and P.C. Marsh. 1996. Population estimates/population movements of Gila cypha, an Grand Canyon region of Arizona. Copeia 1:15-28.
 

 Douglas, M.E. and P.C. Marsh. 1996. Seasonal and yearly population estimates for Catostomus latipinnis and Pantosteus discobolus (Teleostei, Catostomidae) in the Grand Canyon region of Arizona. Proceedings of the Desert Fishes Council 27:33.
 

 Douglas, M.E. and P.C. Marsh. 1996. Endangered humpback chub (Gila cypha) as prey of introduced fishes in the Little Colorado River, Arizona. Section 2 in M.E. Douglas and P.C. Marsh, eds. Ecology and Conservation Biology of Humpback Chub (Gila cypha) in the Little Colorado River. Bureau of Reclamation, Salt Lake City, Utah.
 

 Douglas, M.E. and P.C. Marsh. 1996. Catostomidae of the Grand Canyon region of Arizona: population estimates, movements and survivability. Section 3 in M.E. Douglas and P.C. Marsh, eds. Ecology and Conservation Biology of Humpback Chub (Gila cypha) in the Little Colorado River. Bureau of Reclamation, Salt Lake City, Utah.
 

 Douglas, M.E. and P.C. Marsh. 1996. Survivability of an endangered species (Gila cypha) within the Grand Canyon region of Arizona. Section 4 in M.E. Douglas and P.C. Marsh, eds. Ecology and Conservation Biology of Humpback Chub (Gila cypha) in the Little Colorado River. Bureau of Reclamation, Salt Lake City, Utah.
 

 Douglas, M.E. and P.C. Marsh. 1996. Ecology and conservation biology of humpback chub (Gila cypha) in the Little Colorado River. Final report. U.S. Bureau of Reclamation, Salt Lake City, Utah, and Glen Canyon Environmental Studies, Flagstaff, Arizona. 133 pages.
 

 Dowling, T.E., W.L. Minckley and P.C. Marsh. 1996. Mitochondrial DNA diversity within and among populations of razorback sucker (Xyrauchen texanus) as determined by restriction endonuclease analysis. Copeia 3:542-550.
 

 Dowling, T.E., W.L. Minckley, P.C. Marsh and E.S. Goldstein. 1996. Mitochondrial DNA variability in the endangered razorback sucker (Xyrauchen texanus): analysis of hatchery stocks and implication for captive propagation. Conservation Biology 10(1):120-127.
 

 Dresser, Jr., T.J. 1996. Diet of adult humpback chub. Pages 59-65. In The effects of an experimental flood on the aquatic biota and their habitats in the Colorado River, Grand Canyon, Arizona. Arizona Game and Fish Department, Phoenix.
 

 Duncan, R.B. 1996. Baseline and history of six wildlife species federally listed as threatened or endangered in the San Pedro River watershed, Arizona. Directorate of Engineering and Housing, Environmental Division, Fort Huachuca. 60 pages.
 

 Fabacher, D.L. and E.E. Little. 1996. Skin component may protect fishes from sunburn and fungal infection resulting from exposure to ultraviolet-B radiation. Pages 241-250 in J.S. Stolen, T.C. Fletcher, C.J. Bayne, C.J. Secombes, J.-T. Zelikoff, L.E. Twerdok, D.P. Anderson, eds. Modulators of Immune Responses: The Evolutionary Trail. SOS Publications, New Haven, New Jersey.
 

 Figiel, C.R. Jr., T.R. Tiersch, W.R. Wayman, O.T. Gorman, J.H. Williamson and G.J. Carmichael. 1996. Collection, storage and cryopreservation of sperm from endangered razorback suckers. Pages 16-18 in E.M Donaldson and D.D. MacKinlay, eds. Aquaculture Biotechnology Symposium Proceedings, International Congress of the Biology of Fishes.
 

 FLO Engineering, Inc. 1996. Green River floodplain habitat restoration investigation - Ouray National Wildlife Refuge and Canyonlands National Park, Utah. Final report. FLO Engineering, Inc.
 

 FLO Engineering, Inc. 1996. Concept development report, Grand Valley Irrigation Company, diversion dam fish passage structure, Palisade, Colorado. FLO Engineering, Inc. 59 pages.
 

 FLO Engineering, Inc. 1996. Green River flooded bottomlands investigation Ouray Wildlife Refuge and Canyonlands National Park, Utah. Final report. U.S. Fish and Wildlife Service, Recovery Program for the Endangered Fishes of the Upper Colorado River, Breckenridge, Colorado. 105 pages.
 

 Gorman, O.T., T.R. Tiersch, C.R. Figiel Jr., W.R. Wayman, J.H. Williamson, and G.J. Carmichael. 1996. Broodstock development and propagation studies in the endangered razorback sucker: 1996 field studies. Proceedings of the Desert Fishes Council.
 

 Grand Canyon Trust. 1996. Colorado River Workshop: Issues, Iideas, and Directions. Proceedings report. Grand Canyon Trust and U.S. Bureau of Reclamation. 256 pages.
 

 Haines, B., et al. 1996. Umbrella project: chemoreception, imprinting and propagation of Colorado squawfish and razorback sucker. Project 31. FY 96 Annual Report of the Recovery Program for Endangered Fishes of the upper Colorado River Basin. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Haines, G.B. and T. Modde. 1996. Evaluation of marking techniques to estimate population size and first-year survival of Colorado squawfish. North American Journal of Fisheries Management 16(4):905-912.
 

 Hamilton, S.J. and K.J. Buhl. 1996. Hazard assessment of inorganics, singly and in mixtures, to flannelmouth sucker in the San Juan River, New Mexico. Final report. U.S. Bureau of Reclamation, Salt Lake City, Utah.
 

 Hamilton, S.J., K.J. Buhl, F.A. Bullard and S.F. McDonald. 1996. Evaluation of toxicity to larval razorback sucker of selenium-laden food organisms from Ouray National Wildlife Refuge on the Green River, Utah. U.S. Fish and Wildlife Service, Denver, Colorado. 79 pages.
 

 Harvey, M.D. and R.A. Mussetter. 1996. Evaluation of the required flow of bar forming events and 2-dimensional hydrodynamic modeling at Colorado squawfish spawning sites in the lower Yampa Canyon, Colorado. Musseter Engineering Company, Fort Collins, Colorado. 6 sections and 2 appendices.
 

 Hawkins, J.A., E.J. Wick and D.E. Jennings. 1996. Icthyofauna of the Little Snake River, Colorado 1994. Final report. U.S. Fish and Wildlife Recovery Implementation Program, Denver, Colorado. 44 pages.
 

 Hoffnagle, T.L. 1996. Changes in water quality parameters and fish usage of backwaters during fluctuating vs. short-term steady flows in the Colorado River, Grand Canyon. Arizona Game and Fish Department, Flagstaff.
 

 Horn, M.J. 1996. Nutritional limitation of recruitment in the razorback (Xyrauchen texanus). Dissertation Abstracts International 57-10B:6128.
 

 Hualapai Tribe. 1996. Effects of a controlled flood on aquatic and riparian resources in lower Grand Canyon, Arizona. Hualapai Department of Natural Resources, Peach Springs.
 

 Hualapai Tribe. 1996. Effects of high, steady Colorado River flows and rising Lake Mead levels on aquatic and riparian resources in lower Grand Canyon and upper Lake Mead, Arizona. Hualapai Department of Natural Resources, Peach Springs.
 

 Irving, D.B. and K. Day. 1996. Bottomland property inventory between Pariette Draw and Split Mountain on the Green River, Utah, 1995. U.S. Fish and Wildlife Service. 35 pages.
 

 Isaak, D.J. and T.C. Bjornn. 1996. Movements and distributions of northern squawfish downstream of lower Snake River dams relative to the migration of juvenile salmonids - completion report. Bonneville Power Administration, Portland, Oregon. 120 pages.
 

 Jacobs Engineering Group, Inc. 1996. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Site, near Gunnison, Colorado. Revision 2. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 156 pages.
 

 Jacobs Engineering Group, Inc. 1996. Baseline risk assessment of ground water contamination at the Uranium Mill Tailings Sites near Rifle, Colorado. Revision 2. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 252 pages.
 

 Jacobs Engineering Group, Inc. 1996. Uranium Mill Tailings Remedial Action Project. 1995 Environmental Report. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 425 pages.
 

 Jacobs Engineering Group, Inc. 1996. Biological assessment of remedial action at the abandoned Uranium Mill Tailings Site near Naturita, Colorado. Jacobs Engineering Group, Inc., Albuquerque, New Mexico. 53 pages.
 

 Karp, C.A. and G. Mueller. 1996. Annual report of razorback sucker telemetry study in the lower San Juan River, Utah. U.S. Bureau of Reclamation, Denver, Colorado.
 

 Kidd, G.T. 1996. Endangered fish of the upper Colorado River, observations from 1970 through 1995. U.S. Bureau of Reclamation (originally published as Appendix 3 to "Replacement of the Plateau Creek Pipeline Biological Assessment"). 12 pages.
 

 King, K.A. and B.J. Andrews. 1996. Contaminants in fish and wildlife collected from the lower Colorado River and irrigation drains in the Yuma Valley, Arizona. U.S. Fish and Wildlife Service, Arizona Ecological Services Field Office, Phoenix.
 

 King, K.A., B.J. Andrews, D.L. Baker, W.G. Kepner and C.T. Martinez. 1996. Contaminants in sediment and fish from national wildlife refuges on the Colorado River, Arizona. U.S. Fish and Wildlife Service, Arizona Ecological Services Field Office, Phoenix.
 

 Lentsch, L., T. Crowl, P. Nelson and T. Modde. 1996. Levee removal strategic plan. Final report. Division of Wildlife Resources, Salt Lake City, Utah. 21 pages.
 

 Lentsch, L.D., M. Trammell and T. Chart. 1996. Aspinall unit studies: flow effects on humpback chub population in Westwater Canyon. Project 46. FY 96 Annual report. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Lentsch, L.D., R. Valdez and B. Cowdell. 1996. Flaming Gorge study: effects of flow regulation and ice on overwinter nursery of age-0 Colorado squawfish in the Green River below Flaming Gorge Dam. Project 41. FY 96 Annual report. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Lentsch, L.D., R.T. Muth, P.D. Thompson, B.G. Hoskins and T.A. Crowl. 1996. Options for selective control of nonnative fishes in the upper Colorado River basin. Utah Division of Wildlife Resources, Salt Lake City.
 

 Lentsch, L.D., Y. Converse and P.D. Thompson. 1996. Evaluating habitat use of age-0 Colorado squawfish in the San Juan River through experimental stocking. Utah Division of Wildlife Resources, Salt Lake City.
 

 Lentsch, L.D., Y. Converse, P.D. Thompson, T.A. Crowl and C.A. Toline. 1996. Bonytail reintroduction plan for the upper Colorado River basin. Final report. Division of Wildlife Resources, Salt Lake City, Utah. 46 pages.
 

 Lieberman, D.  1996. Water quality in western river reservoirs. 
 

 Little, E.E. and D.L. Fabacher. 1996. Exposure of freshwater fish to simulated solar UVB radiation. Pages 141-158 in G.K. Ostrander, ed. Techniques in Aquatic Toxicology. Lewis Publishers.
 

 Loomis, J.B. and D.S. White. 1996. Economic values of increasingly rare and endangered fish. Fisheries 21(11):6-11.
 

 Maddux, H.R. 1996. Environmental assessment for procedures for stocking of nonnative fish species in the upper Colorado River basin. Draft. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 39 pages + appendices.
 

 Marsh, P.C. 1996. Yuma cove razorback sucker rearing experiments and prelimary genetic results. 2 page letter + appended documentation
 

 Marsh, P.C. 1996. Threatened fishes of the world: Xyrauchen texanus (Abbott, 1860). Environmental Biology of Fishes 45(3):258.
 

 Marsh, P.C. 1996. Bonytail (Gila elegans) stocking records for Lake Mohave, Arizona and Nevada. U.S. Bureau of Reclamation, Boulder City, Nevada. 3 pages.
 

 Marsh, P.C. 1996. Analysis of larval razorback sucker collections from Lake Mohave, Arizona and Nevada. U.S. Bureau of Reclamation, Boulder City, Nevada. 79 pages.
 

 Marsh, P.C. 1996. Monitoring and status of fishes in Eagle Creek, Arizona. U.S. Bureau of Reclamation, Phoenix, Arizona. 12 pages + appendix.
 

 Martinez, A.M. 1996. Observed growth, survival, and caudal fin ray deformities of intensively cultured razorback suckers. Progressive Fish Culturist 58(4):263-267.
 

 McAda, C.W., W.R. Elmblad, T.E. Chart, K.S. Day and M.A. Trammell. 1996. Interagency Standardized Monitoring Program. Summary of results, 1995. Annual report. U.S. Fish and Wildlife Service, Endangered Fish Recovery Program, Denver, Colorado. 16 + pages.
 

 McKinney, T., R.S. Rogers, A. Ayers and W.R. Persons. 1996. Effects of on algae, macrophytes, rainbow trout and flannelmouth suckers in the Glen Canyon Dam tailwater. Pages 71-94. In The Effects of an Experimental Flood on the Aquatic Biota and Their Habitats in the Colorado River, Grand Canyon, Arizona. Arizona Game and Fish Department, Phoenix.
 

 Miller, W.J. and D.E. Rees. 1996. Colorado squawfish habitat use and movement during summer low flow in the Yampa River upstream of Cross Mountain Canyon. Miller Ecological Services, Fort Collins, Colorado. 55 pages + appendix.
 

 Minckley, C.O. 1996. Observations on the biology of the humpback chub in the Colorado River Basin 1908-1990. Doctoral dissertation, Northern Arizona University, Flagstaff.
 

 Minckley, C.O. 1996. Observations on the biology of the humpback chub in the Colorado River basin 1908-1990. Glen Canyon environmental studies contract No. 1FC-40-10500. Final report. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona.
 

 Modde, T. 1996. Seasonal and annual movement patterns of razorback sucker in the Green and Yampa Rivers. Final report. Dinosaur National Monument, Dinosaur, Colorado. 28 pages.
 

 Modde, T. 1996. Juvenile razorback sucker (Xyrauchen texanus) in a managed wetland adjacent to the Green River. Great Basin Naturalist 56(4):375-376.
 

 Modde, T. 1996. Floodplains and razorback sucker in the middle Green River. Proceedings of the Annual Meeting of the Utah Mosquito Abatement Association 49:7-12.
 

 Modde, T., K.P. Burnham and E.J. Wick. 1996. Population status of the razorback sucker in the middle Green River (U.S.A). Conservation Biology 10(1):110-119.
 

 Mueller, G. 1996. Establishment of a fish community of the Hayden-Rhodes and Salt-Gila aqueducts, Arizona. North American Journal of Fisheries Management (Bethesda) 16(4):795-804.
 

 Muth, R.T. and J.B. Ruppert. 1996. Effects of two electrofishing currents on captive ripe razorback suckers and subsequent egg-hatching success. North American Journal of Fisheries Management 16:473-476.
 

 No author. 1996. Coordination Committee 11 April 1996. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Oak Ridge National Laboratory. 1996. White Oak Creek Watershed: Melton Valley Area Remedial Investigation Report. Volume 3, appendix C. Oak Ridge National Laboratory, Tennessee. 285 pages.
 

 Osmundson, D.B. and K.P. Burnham. 1996. Status of the Colorado squawfish in the upper Colorado River. Project no. 14. In Studies of Colorado Squawfish in the Upper Colorado River. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 38 pages.
 

 Osmundson, D.B., R.J. Ryel and T.E. Mourning. 1996. Growth and survival of Colorado squawfish in the upper Colorado River. Final reports. Project no. 14. In Studies of Colorado Squawfish in the Upper Colorado River. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 23 pages.
 

 Pick, T.A. 1996. Green River tributaries below Flaming Gorge Dam, peak flow analysis. U.S. Bureau of Reclamation, Technical Service Center, Denver, Colorado. 29 pages.
 

 Pitlick J., M.M. Van Steeter and M. Franseen. 1996. Effects of recent high flows on selected reaches of the upper Colorado River. University of Colorad,o Department of Geography, Boulder. 19 pages.
 

 Robinson, A.T., D.M. Kubly, R.W. Clarkson and E.D Creef. 1996. Factors limiting the distributions of native fishes in the Little Colorado River, Grand Canyon, Arizona. Southwestern Naturalist 41(4):378-387.
 

 Robinson, A.T., R.W. Clarkson and R.E. Forrest. 1996. Spatio-temporal distribution, habitat use, and drift of early life stage native fishes in the Little Colorado River, Grand Canyon, Arizona, 1991-1994. Final report. Cooperative agreement no. 9-FC-40-07940. Arizona Game and Fish Department, Phoenix.
 

 Romero, J. 1996. Senator Wash Reservoir penstock coating, original written March 18, 1996. U.S. Bureau of Reclamation, Yuma, Arizona. 3 pages.
 

 Rust Geotech, Inc. 1996. U.S. Department of Energy Grand Junction Projects Office site environmental report for calendar year 1995. Rust Geotech, Inc., Grand Junction, Colorado. 146 pages.
 

 Ryden, D.W. and L.A. Ahlm. 1996. Observations on the distribution and movements of Colorado squawfish, Ptychocheilus lucius, in the San Juan River, New Mexico, Colorado, and Utah. Southwestern Naturalist 41(2):161-168.
 

 Schmidt, J.C. 1996. Geomorphic control of the distribution of age-0 Colorado squawfish in the Green River in Colorado and Utah. Utah State University, Logan.
 

 Science Applications International Corporation. 1996. Report on the remedial investigation of Bear Creek Valley at the Oak Ridge Y-12 Plant, Oak Ridge, Tennessee. Volume 6: Appendix G -- Baseline ecological risk assessment report. Science Applications International Corporation, Oak Ridge, Tennessee. 872 pages.
 

 Snyder, D.E. 1996. Preserved larval and small-fish collections of the upper Colorado River basin: maintenance and cataloging of a valuable historical database. Final report, Project No. 20. Colorado State University Larval Fish Laboratory Recovery Program. 28 pages.
 

 Strength, D.A. and R.A. Parnell. 1996. Rates of travertine deposition in the Little Colorado River as it relates to future habitat conditions for the humpback chub. Proceedings of the Arizona Hydrological Society Annual Symposium 9:57-59.
 

 The Nature Conservancy. 1996. Candidate species reports from the Natural Heritage Central Database. U.S. Fish and Wildlife Service (under a cooperative agreement with The Nature Conservancy).
 

 The Sport Fishing and Boating Partnership Council. 1996. First annual evaluation report 1995 executive order for recreational fisheries (No. 12962). The Sport Fishing and Boating Partnership Council. 9 pages.
 

 Trammell, M., L.D. Lentsch and T. McKay. 1996. Assessment of angler impacts on Colorado squawfish (Ptychocheilus lucius), Green and Colorado Rivers, Utah, during 1989. Final report. Utah Division of Wildlife Resources, Salt Lake City. Publication Number 96-5. 24 pages.
 

 Tyus, H. 1996. Aquatic ecosystem recovery plan for mainstream rivers of the Colorado River basin. University of Colorado, Boulder. 96 pages.
 

 Tyus, H.M. and J.F. Saunders, III. 1996. Nonnative fishes in the upper Colorado River basin and a strategic plan for their control. Final report. University of Colorado at Boulder, Center for Limnology. Pages I-viii, 1-84 + appedix.
 

 Tyus, H.M. and J.F. Saunders, III. 1996. Multispecies recovery plan for four endangered fishes of the mainstream Colorado River. Draft plan. University of Colorado at Boulder, Center for Limnology. Pages I-x, 1-96 + appendices.
 

 U.S. Bureau of Reclamation. 1996. Description and assessment of operations, maintenance, and sensitive species of the lower Colorado River. U.S. Bureau of Reclamation, Lower Colorado Region, Boulder City, Nevada.
 

 U.S. Bureau of Reclamation. 1996. Silt project, water operations study. Final appraisal report. U.S. Bureau of Reclamation. 53 pages.
 

 U.S. Department of Energy. 1996. Environmental assessment of facility operations at the U.S. Department of Energy Grand Junction Projects Office, Grand Junction, Colorado. U.S. Department of Energy, Grand Junction, Colorado. 102 pages.
 

 U.S. Department of Energy. 1996. Annual site environmental report for calendar year 1989. U.S. Department of Energy, Western Area Power Administration, Golden, Colorado. 48 pages.
 

 U.S. Department of Energy. 1996. Marys Lake 69/115-kV transmission line upgrade and substation expansion projects. U.S. Department of Energy, Western Area Power Administration, Loveland, Colorado and Platte River Power Authority, Fort Collins, Colorado. 212 pages.
 

 U.S. Environmental Protection Agency. 1996. Hazardous waste characteristics scoping study. U.S. Environmental Protection Agency, Office of Solid Waste and Emergency Response, Washington, D.C. 248 pages.
 

 U.S. Fish and Wildlife Service. 1996. Biological assessment - lower Colorado River. 
 

 U.S. Fish and Wildlife Service. 1996. Notice of receipt of application for incidental take permit for surveying the species listed below within New Mexico. Federal Register 61(140):37760.
 

 U.S. Fish and Wildlife Service. 1996. Endangered species permit applications. Federal Register 61(184):49477-49478.
 

 U.S. Fish and Wildlife Service. 1996. Endangered and threatened species permit applications. Federal Register 61(206):55012-55013.
 

 U.S. Fish and Wildlife Service. 1996. Endangered and threatened species permit applications. Federal Register 61(219):58082-58083.
 

 U.S. Fish and Wildlife Service. 1996. Endangered and threatened species permit applications. Federal Register 61(249):68049-68050.
 

 U.S. Fish and Wildlife Service. 1996. Endangered and threatened wildlife and plants: review of plant and animal taxa that are candidates for listing as endangered or threatened species. Federal Register 61(40):7596-7613.
 

 U.S. Fish and Wildlife Service. 1996. Guidelines directing captive propagation of listed and candidate fish. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 U.S. Fish and Wildlife Service. 1996. Procedures for stocking nonnative fish species in the upper Colorado River basin. U.S. Fish and Wildlife Service, Denver, Colorado. 13 pages.
 

 U.S. Fish and Wildlife Service. 1996. Report to Congress on the recovery program for threatened and endangered species. U.S. Fish and Wildlife Service. 26 pages.
 

 Upper Colorado River Commission. 1996. Forty-eighth annual report of the Upper Colorado River Commission. Upper Colorado River Commission, Salt Lake City, Utah. 99 pages.
 

 Utah Division of Wildlife Resources. 1996. Glen Canyon National Recreation Area Utah/Arizona fish management plan. 34 pages.
 

 Valdez, R.A. 1996. Synopsis of the razorback sucker in Grand Canyon. Paper presented at the Razorback Sucker Workshop, January 11–12, 1996, Laughlin, Nevada. Sponsored by U.S. Bureau of Reclamation, Glen Canyon Environmental Studies, Flagstaff, Arizona.
 

 Valdez, R.A. and B.R. Cowdell. 1996. Effect of Glen Canyon Dam beach/habitat-building flows on fish assemblages in Glen and Grand Canyons, Arizona. BIO/WEST, Inc., Logan, Utah.
 

 Valdez, R.A. and B.R. Cowdell. 1996. Survival of age-0 Colorado squawfish in the Green River. Annual summary report-1995. UDWR Contract No. 90-2558. BIO/WEST, Inc., Logan, Utah.
 

 Valdez, R.A. and B.R. Cowdell. 1996. Effects of flow regulation and ice formation on overwinter nursery habitat and survival of age-0 Colorado squawfish in the Green River below Flaming Gorge Dam. Draft. Recovery Implementation Program Five Year Flaming Gorge Research Program, Logan, Utah. 29 pages.
 

 Van Steeter, M.M.  1996. Historic and current processes affecting channel change and endangered fish habitats of the Colorado River near Grand Junction, Colorado. Doctoral dissertation, University of Colorado, Boulder. 180 pages.
 

 Vinson, M. 1996. Sampling strategy for assessing aquatic invertebrate communities associated with endangered fish populations in the upper Colorado River basin. Fisheries and Wildlife Department. 27 pages.
 

 Vrijenhoek, R.C. 1996. Conservation genetics of North America desert fishes. Pages 367-397 in J.C. Avise and J.L. Hamrick, eds. Conservation Genetics: Case Histories from Nature. Chapman & Hall, New York.
 

 Western Area Power Administration. 1996. Record of decision for the Salt Lake City area integrated projects electric power marketing program. Federal Register 61(213):56534-56539.
 

 Westwater Engineering. 1996. Technical memorandum: Endangered fish of the upper Colorado River, observations from 1970 through 1995: George T. Kidd. Appendix C. Camp Dresser and McKee, Inc.: Replacement of the Plateau River pipeline: biological assessment, Denver, Colorado.
 

 Wigington, R. and D. Pontius. 1996. Toward range-wide integration of recovery implementation programs for the endangered fishes of the Colorado River. Pages 43-75 in The Colorado River Workshop: Issues, Ideas, and Directions. Grand Canyon Trust, Flagstaff, Arizona.
 

 Wydoski, R.S. 1996. Augmentation plan for razorback sucker in the Middle Green River, 1996-1997. U.S. Fish and Wildlife Service. 12 pages.
 

 Wydoski, R.S. 1996. Annual propagation operation plan, 1996. U.S. Fish and Wildlife Service. 20 pages.
 

 Wydoski, R.S. and E.D. Wick. 1996. Ecological value of flooded bottomland habitats to endangered fishes in the upper Colorado River basin. Upper Colorado River Basin Recovery Program. 33 pages.
 

 Zallen, M. 1996. Evolution of ESA Consultations on western water projects. Office of the Solicitor, Rocky Mountain Region. 4 pages.
 

 Anderson, R. 1997. An evaluation of fish community structure and habitat potential for Colorado squawfish and razorback sucker in the unoccupied reach (Palisade to Rifle) of the Colorado River, 1993-1995. Colorado Division of Wildlife Aquatic Research Section, Fort Collins. 56 + pages.
 

 Andreasen, L. and B. Jensen. 1997. Dexter National Fish Hatchery and Technology Center Endangered Species Bulletin. U.S. Fish and Wildlife Service 22(3):16-18.
 

 Anonymous. 1997. Navajo Transmission Project. Final Environmental Impact Statement (FEIS) report number: DOE/EIS--0231-F. 238 pages.
 

 Arthur, J.W., T. Rousch, J.S. Thompson, C.T. Walbridge and F.A. Pugliis. 1997. Evaluation of low order stream quality in central Iowa. Evaluation of Low Order Stream Quality in Central Iowa. U.S. Environmental Protection Agency, Office of Research and Development, National Health and Environmental Effects Laboratory, Duluth, Minnesota. 46 pages.
 

 Barlow, G.W. and P. Siri. 1997. Does sexual selection account for the conspicuous head dimorphism in the Midas cichlid? Animal Behaviour 53(3):573-584 .
 

 Barton, B.A. and W.P. Dwyer. 1997. Physiological stress effects of continuous- and pulsed-DC electroshock on juvenile bull trout. Journal of Fish Biology.
 

 Bestgen, K.R.  1997. Interacting effects of physical and biological factors on recruitment of age-0 Colorado squawfish (Ptychocheilus lucius) and (Cyprinella lutensis) on the Green River. Doctoral dissertation, Colorado State University, Fort Collins.
 

 Bestgen, K.R., D.W. Beyers, G.B. Haines and J.A. Rice. 1997. Recruitment models for Colorado squawfish: tools for evaluating relative importance of natural and managed processes. Final report. Colorado State University Larval Fish Laboratory, Fort Collins. 55 pages.
 

 Blazer, V.S., D.L. Fabacher, E.E. Little, M.S. Ewing and K.M. Kocan. 1997. Effects of ultraviolet-B radiation on fish: histologic comparison of a UVB-sensitive and a UVB-tolerant species. Journal of Aquatic Animal Health 9(2):132-143.
 

 Brouder, M.J. and T.L. Hoffnagle. 1997. Distribution and prevalence of the Asian fish tapeworm, Bothriocephalus acheilognathi, in the Colorado River and tributaries, Grand Canyon, Arizona, including two new host records. Journal of the Helminthological Society of Washington 64(2):219-226.
 

 Buhl, K.J. 1997. Relative sensitivity of three endangered fishes, Colorado squawfish, bonytail, and razorback sucker, to selected metal pollutants. Ecotoxicology and Environmental Safety 37(2):186-192.
 

 Burdick, B.D. 1997. Minimum flow recommendation for passage of Colorado squawfish and razorback sucker in the 2.3-mile reach of the Lower Gunnison River : Redlands Diversion Dam to the Colorado River confluence. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction.
 

 Burdick, B.D. and R.B. Bonar. 1997. Experimental stocking of adult razorback sucker in the upper Colorado and Gunnison Rivers. Final report. U.S. Fish and Wildlife Service, Colorado River Recovery Program, Grand Junction, Colorado.
 

 Burdick, B.D., J. Flair, M. Loyd and B. Scheer. 1997. Native and nonnative fish use of two gravel-pit ponds connected to the upper Colorado River at 29-5/8 Road near Grand Junction, Colorado. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 California Department of Fish and Game. 1997. California Department of Fish and Game electrofishing survey. California Department of Fish and Game.
 

 Chart, T.E. and L. Lentsch. 1997. Reproduction and recruitment of Gila spp. and Colorado squawfish (Ptychocheilus lucius) in the middle Green River 1992-1996. Part B: Fish community monitoring and Colorado squawfish spawning investigations. Utah Division of Wildlife Resources. 19 pages + appendix.
 

 Chart, T.E. and L.D. Lentsch. 1997. Flow effects on humpback chub (Gila cypha) populations in Westwater Canyon. Utah Division of Wildlife Resources, Salt Lake City. 63 pages.
 

 Chart, T.E., D.P. Svendson and L.D. Lentsch. 1997. Investigation of potential razorback sucker (Xyrauchen texanus) and Colorado squawfish (Ptychocheilus lucius) spawning in the lower Green River 1994 and 1995. Utah Division of Wildlife Resources, Moah. 19 pages.
 

 Clarkson, R.W., A.T. Robinson and T.L. Hoffnagle. 1997. Asian tapeworm (Bothriocephalus acheilognathi) in native fishes from the Little Colorado River, Grand Canyon, Arizona. Great Basin Naturalist 57(1):66-69.
 

 Crowl, T.A. and N.W. Bouwes. 1997. Modeling population dynamics of Colorado squawfish, razorback sucker, and humpback chub for management objective development. Utah State University, Aquatic Ecology. 62 pages.
 

 Dall, D., C. Elliott and D. Peters. 1997. System for mapping riparian areas in the Western United States. U.S. Fish and Wildlife Service, National Wetlands Inventories, Lakewood, Colorado. 15 pages.
 

 Dames and Moore, Inc. 1997. McCullough to Liberty fiber optics project. Dames and Moore, Los Angeles, California. 170 pages.
 

 Day, K.S. and C. Crosby. 1997. An assessment of young-of-the-year Colorado squawfish (Ptychocheilus lucius) use of backwater habitats in the Green River, Utah. Utah Division of Wildlife Resources, Vernal.
 

 Deacon, J.R. and S.V. Mize 1997. Effects of water quality and habitat on composition of fish communities in the upper Colorado River basin. U.S. Geological Survey Fact Sheet FS–122–97.
 

 Demlong, M. 1997. Desert fish. Endangered Species Update 14(5-6):17-18.
 

 Dexter National Fish Hatchery. 1997. Dexter NFH stocking trip record 97-07. Dexter National Fish Hatchery.
 

 Elmblad, W.R. 1997. Outcome of an experimental stocking of Colorado squawfish in Kenney Reservoir near Rangely, Colorado. Final report. Colorado River Recovery Program. 15 pages.
 

 Fabacher, D.L. and E.E. Little. 1997. Biogenic substance that appears to protect freshwater fish from UVB radiation occurs primarily in the outer layers of the skin. Photochemistry and Photobiology 65(Special issue):73S-74S.
 

 FLO Engineering, Inc. 1997. Green River discharge monitoring 1996. Colorado River Recovery Program. 18 pages.
 

 FLO Engineering, Inc. 1997. Green River floodplain habitat restoration investigation - Bureau of Land Management sites and Ouray National Wildlife Refuge sites near Vernal, Utah. Final report. FLO Engineering, Inc.
 

 FLO Engineering. 1997. Ouray National Wildlife Refuge bottomland sites elevation/area/capacity tables. Final report. FLO Engineering, Inc., Breckenridge, Colorado.
 

 Gard, M.  1997. Threatened fishes of the world: Ptychocheilus lucius Girard, 1856 (Cyprinidae). Environmental Biology of Fishes (Dordrecht) 49(3):292.
 

 Gido, K.B., D.L. Propst and M.C. Molles. 1997. Spatial and temporal variation of fish communities in secondary channels of the San Juan River, New Mexico and Utah. Environmental Biology of Fishes (Dordrecht) 49(4):417-434.
 

 Graf, W.L., K.K. Hirschboeck, R.A. Marston, J. Pitlick and J.C. Schmidt. 1997. Sustainability and changing physical landscapes. Pages 1-13 in W.L. Minckley, ed. Aquatic Ecosystems Symposium. A Report to the Western Water Policy Review Advisory Commission. Arizona State University, Tempe.
 

 Grimm, N.B., S.G. Fisher, S.V. Gregory, G.R. Marzolf, D.M. McKnight, F.J. Triska and H.M. Valett. 1997. Sustainability of western watersheds: nutrients and productivity. Pages 31-43 in W.L. Minckley, ed. Aquatic Ecosystems Symposium. A Report to the Western Water Policy Review Advisory Commission. Arizona State University, Tempe.
 

 Haines, G.B., S.H. Severson and T. Modde. 1997. Evaluation of batch marking techniques for culturing the endangered razorback sucker and Colorado squawfish. Final report. U.S. Fish and Wildlife Service, Colorado River Fish Project, Denver, Colorado. 40 pages.
 

 Hamilton, S.J. and K.J. Buhl. 1997. Hazard evaluation of inorganics, singly and in mixtures, to flannelmouth sucker Catostomus latipinnis in the San Juan River, New Mexico. Ecotoxicology and Environmental Safety 38(3):296-308.
 

 Hamilton, S.J. and K.J. Buhl. 1997. Hazard assessment of inorganics, individually and in mixtures, to two endangered fish in the San Juan River, New Mexico. Environmental Toxicology and Water Quality 12:195-209.
 

 Hayes, C. and T. Foreman. 1997. Survey and analysis of the sport fishery on the lower Colorado River and associated backwaters. California Department of Fish and Game, Inland Fisheries Division. 48 pages.
 

 Hoffnagle, T.L, W.R. Persons, M.J. Brouder, T.J. Dresser, Jr., and D.W. Speas. 1997. Effects of the 1996 experimental beach/habitat-building floord in the Colorado River, Grand Canyon, on fishes, invertebrates, and their backwater habitats. Pages 56-58. In Glen Canyon Dam Beach/Habitat-Building Test Flow: Abstracts and Executive Summaries.
 

 Holden, P.B., P.D.Abate, and J.B.Ruppert. 1997. Razorback sucker studies on Lake Mead, Nevada, 1996-1997. Annual report. BIO/WEST, Inc., Logan, Utah.
 

 Johnstone, H.C., L.E. Stevens, D. Martin, R. Parnell and A. Springer. 1997. Windows of opportunity: rejuvenation of fish nursery habitats in Grand Canyon, Arizona. Bulletin of the Ecological Society of America 78(4 Supplement):118.
 

 Karp, C.A. and G. Mueller. 1997. Annual report of razorback sucker telemetry study in the lower San Juan River, Utah. U.S. Bureau of Reclamation, Denver, Colorado.
 

 Knowles, G.W., P.C. Marsh, G. Mueller and T. Wolters. 1997. Sonic telemetry of razorback suckers in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 28:52-53.
 

 Laubhan, M. 1997. Report on Green River refuges. Ouray National Wildlife Refuge, Vernal, Utah. 18 pages.
 

 Lockheed Idaho Technologies Company. 1997. Hydropower research and development. Lockheed Idaho Technologies Co., Idaho Falls, Idaho. 171 pages.
 

 Lucas, M.C. and P.A. Frear. 1997. Effects of a flow-gauging weir on the migratory behaviour of adult barbel, a riverine cyprinid. Journal of Fish Biology.
 

 Marsh, P.C. 1997. Razorback sucker monitoring in Lake Mohave, Arizona and Nevada, for the period 01 November 1995 to 31 December 1996. U.S. Bureau of Reclamation, Boulder City, Nevada. 14 + pages.
 

 Marsh, P.C. 1997. Collection of razorback sucker larvae from Lake Mohave, Arizona and Nevada, during the period 10 February through 14 March 1997. U.S. Bureau of Reclamation, Boulder City, Nevada. 4 pages + appendix.
 

 Marsh, P.C. 1997. Age estimation from otoliths of bonytail chub Gila elegans from Lake Mohave, Arizona and Nevada. U.S. Fish and Wildlife Service, Parker, Arizona. 8 pages.
 

 Marsh, P.C. 1997. Sonic telemetry of bonytail in Lake Mohave, Arizona. Final report. U.S. Geological Survey, Denver, Colorado. 18 pages + maps.
 

 Marsh, P.C. and M.E. Douglas. 1997. Predation by introduced fishes on endangered humpback chub and other native species in the Little Colorado River, Arizona. Transactions of the American Fisheries Society (Bethesda) 126(2):343-346.
 

 Marsh, P.C. and M.E. Douglas. 1997. Predation on endangered humpback chub and other native species by introduced fishes in the Little Colorado River, Arizona. Transactions of the American Fisheries Society 126(2):343-346.
 

 Marsh, P.C., G.W. Knowles and G. Mueller. 1997. Bonytail (Gila elegans) telemetry in Lake Mohave, Arizona and Nevada. Proceedings of the Desert Fishes Council 28:58-59.
 

 Martinez, P.J. 1997. West slope warmwater fisheries. 
 

 Martinez, P.J. 1997. Development and application of procedures for stocking nonnative fish speacies in the upper Colorado River basin. Colorado Division of Wildlife, Grand Junction.
 

 McAda, C.W. 1997. Mechanical removal of northern pike from the Gunnison River 1995-1996. Final report, project number 58. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction.
 

 McAda, C.W., T.E. Chart, M.A. Trammell, K.S. Day, P.A. Cavalli and W.R. Elmblad. 1997. Interagency Standardized Monitoring Program. Summary of results, 1996. Annual report. U.S. Fish and Wildlife Service, Endangered Fish Recovery Program, Denver, Colorado. 24 pages.
 

 McDonald, W.J. 1997. Upper basins' political conundrum: a deal is not a deal. Report to the Western Water Policy Review Advisory Commission. U.S. Department of the Interior. 74 pages.
 

 McElroy, D.M, J.A. Shoemaker and M.E. Douglas. 1997. Discriminating Gila robusta and Gila cypha: risk assessment and the Endangered Species Act. Ecological Applications 7(3):958-967.
 

 McGuinn-Robbins, D.K. 1997. Comparison of the number and area of backwaters associated with the Colorado River in Glen, Marble and Grand canyons, Arizona. Arizona Game and Fish Department, Phoenix.
 

 McIvor, D.E. 1997. Bibliography for seven Colorado River fishes. Smithfield, Utah.
 

 Miller, W.J. and D. Laiho. 1997. Feasibility evaluation of nonnative fish control structures. Final report. Miller Ecological Consultants, Inc. 88 + pages.
 

 Minckley, C.O. 1997. Startup of the Achii Hanyo Project, a new place to raise native fishes in the lower Colorado River Basin. Proceedings of the Desert Fishes Council. Volume XXVIII.
 

 Minckley, W.L. 1997. Introductory remarks. Page iv in W.L. Minckley, ed. Aquatic Ecosystems Symposium. A Report to the Western Water Policy Review Advisory Commission. Arizona State University, Tempe.
 

 Minckley, W.L., J.E. Deacon, P.C. Marsh, W.J. Matthews and P.B. Moyle. 1997. Sustainability of western native fish resources. Pages 63-76 in W.L. Minckley, ed. Aquatic Ecosystems Symposium. A Report to the Western Water Policy Review Advisory Commission. Arizona State University, Tempe.
 

 Modde, T. 1997. Nursery suitability and razorback sucker use of a floodplain wetland in the middle Green River. Final report. U.S. Fish and Wildlife Service, Denver, Colorado. 70 pages.
 

 Modde, T. 1997. Fish composition of the Duchesne River. Final report. Utah Fish and Wildlife Department, Uintah Ouray Ute Tribe, Fort Duchesne. 12 pages.
 

 Modde, T. and E.J. Wick. 1997. Investigations of razorback sucker distribution, movements and habitats used during spring in the Green River, Utah. Final report. U.S. Fish and Wildlife Service, Denver, Colorado. 40 pages.
 

 Mueller, G. 1997. Restoration of the razorback sucker in the Colorado River, southwestern United States. Pages II-23 - 11-33. Proceedings of the World River Conference, Gifu, Japan.
 

 Muth, R.T. and E.J. Wick. 1997. Field studies on larval razorback sucker in Canyonlands National Park and Glen Canyon National Recreation Area, 1993 – 1995. Final report. U.S. Park Service Rocky Mountain Region, Denver, Colorado.
 

 Muth, R.T. and J.B. Ruppert. 1997. Effects of electrofishing fields on captive embryos and larvae of razorback sucker. North American Journal of Fisheries Management 17(1):160-166.
 

 Natural Resources Law Center. 1997. Restoring the waters. University of Colorado, School of Law, Boulder. 64 pages.
 

 No author. 1997. Coordination and biology committees 30 October 1997. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1997. Coordination Committee 25 February 1997. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1997. Biological and conference opinion on lower Colorado River operations and maintenance, Lake Mead to Southerly International Boundary. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 196 pages.
 

 Oak Ridge National Laboratory. 1997. Remedial investigation report on the Melton Valley watershed at Oak Ridge National Laboratory, Oak Ridge, Tennessee. Volume 3: Appendix C. Oak Ridge National Laboratory, Tennessee, CDM Federal Programs Corp., Oak Ridge, Tennessee and Science Applications International Corp., Oak Ridge, Tennessee. 577 pages.
 

 Osmundson, D.B., M. Tucker, B.D. Burdick, W.R. Elmblad and T.E. Chart. 1997. Non-spawning movements of sub-adult and adult Colorado squawfish in the upper Colorado River. Final reports. Project no. 14. In Studies of Colorado Squawfish in the Upper Colorado River. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 41 pages.
 

 Osmundson, D.B., M.E. Tucker, D.B. Burdick, W.R. Elmblad, T.E. Chart and R.J. Ryel. 1997. Non-spawning movements of subadult and adult Colorado squawfish in the upper Colorado River. Report B, Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Osmundson, D.B., R.J. Ryel and T.E. Mourning. 1997. Growth and survival of Colorado squawfish in the upper Colorado River. Transactions of the American Fisheries Society 126(4):687-698.
 

 Osmundson, D.B., R.J. Ryel, T.E. Mourning, M.E. Tucker and B.D. Burdick. 1997. Studies of Colorado Squawfish in the upper Colorado River. Final reports for Recovery Implementation Program, project no. 14. Colorado Division of Wildlife, Grand Junction, Colorado Cooperative Fish and Wildlife Research Unit, Fort Collins, Utah State University, Department of Rangeland Resources, Logan, and Utah State Division of Wildlife Resources, Moab. 122 pages.
 

 Parnell, R., A. Springer, L. Stevens, J.B. Bennett, T. Hoffnagle, T. Melis and D. Stanitski-Martin. 1997. Flood-induced backwater rejuvenation along the Colorado River in Grand Canyon, Arizona. Pages 41-51. In Glen Canyon Dam Beach/Habitat-Building Test Flow: Abstracts and Executive Summaries.
 

 Patten, D.T., J.C. Stromberg, M.L. Scott and M.K. Chew. 1997. Sustainability of western riparian ecosystems. Pages 15-29 in W.L. Minckley, ed. Aquatic Ecosystems Symposium. A Report to the Western Water Policy Review Advisory Commission. Arizona State University, Tempe.
 

 Pavlov, D.A. and E. Moksness. 1997. Development of the axial skeleton in wolffish, Anarhichas lupus (Pisces, Anarhichadidae), at different temperatures. Environmental Biology of Fishes 49(4):401-416.
 

 Pitts, T. and M.J. Cook. 1997. Propagation and stocking activities of the Recovery Implementation Program for the endangered Fishes of the Upper Colorado River Basin: summary, status, assessment. Hall, Pitts and Associated, Loveland, Colorado. 53 pages.
 

 Poff, N.L., D. Allan, M.B. Bain, J.R. Karr, K.L. Prestedaard, B.D. Richter, R.E. Sparks and J.C Stromberg. 1997. Natural flow regime, a paradigm for river conservation and restoration. Bioscience 47(11):770-784.
 

 Pontius, D. and I. Swca. 1997. Colorado River Basin study. SWCA, Inc., Tucson, Arizona. 132 + pages.
 

 Power, M.E., S.J. Kupferberg, G.W. Minshall, M.C. Molles and M.S. Parker. 1997. Sustainability of western aquatic food webs. Pages 45-61 in W.L. Minckley, ed. Aquatic Ecosystems Symposium. A Report to the Western Water Policy Review Advisory Commission. Arizona State University, Tempe.
 

 Prats, E.E. and R.A. Valdez. 1997. Use of scales for determination of subadult humpback chub size at transition into the Colorado River, Grand Canyon, Arizona. Southwestern Naturalist.
 

 Rakocinski, C.F., M.S. Peterson, S.J. Vanderkooy and G.J. Crego.  1997. Biodiversity patterns of littoral tidal river fishes in the Gulf coastal plain region of Mississippi Gulf of Mexico. Science (1):2-16.
 

 Rakowski, C.L.  1997. Geomorphic basis of Colorado squawfish nursery habitat in the Green River near Ouray, Utah. Doctoral dissertation, Utah State University, Logan.
 

 Richter, B.D., J.V. Baumgartner, R. Wigington and D.P. Braun. 1997. How much water does a river need? Freshwater Biology 37(1):231–249.
 

 Rinne, J.N. and J.A. Stefferud. 1997. Factors contributing to collapse yet maintenance of a native fish community in the desert southwest (U.S.A). Proceedings of the World Fisheries Congress (2):157-162.
 

 Ruppert, J.B. and R.T. Muth. 1997. Effects of electrofishing fields on captive juveniles of two endangered cyprinids. North American Journal of Fisheries Management 17(2):314-320.
 

 Ryden, D.W. 1997. Five-year augmentation plan for razorback sucker in the San Juan River. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Simons, A.M. and R.L. Mayden.  1997. Phylogenetic relationships of the creek chubs and the spine-fins: an enigmatic group of the North American cyprinid fishes (Actinopterygii: Cyprinidae). Cladistics (Westport) 13(3):187-205.
 

 Snyder, D.E. 1997. Effectiveness of light traps for capture and retention of larval and early juvenile Xyrauchen texanus and larval Ptychocheilus lucius and Gila elegans. Final report. Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Snyder, D.E. 1997. Effects of the fish anesthetic tricaine on larval and early juvenile razorback sucker, Xyrauchen texanus. Final report. Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Sogard, S.M.  1997. Size-selective mortality in the juvenile stage of teleost fishes: a review. Bulletin of Marine Science (Miami) 60(3):1129-1157.
 

 Strength, D.A. 1997. Travertine deposition in the Little Colorado River, Arizona and habitat for the endangered humpback chub. Master's thesis. Northern Arizona University, Flagstaff. 99 pages.
 

 Thieme, M.L. 1997. Movement and recruitment of flannelmouth suckers in the Paria and Colorado Rivers, Arizona. Master's thesis, University of Arizona, Tucson.
 

 Thieme, M.L. and C.C. McIvor. 1997. Response of flannelmouth sucker in the Paria River to an experimental spike flow in the Colorado River below Glen Canyon Dam. Page 63. In Glen Canyon Dam Beach/Habitat-Building Test Flow: Abstracts and Executive Summaries.
 

 Tiersch, T.R., W.R. Wayman, C.R. Figiel, Jr., O.T. Gorman, J.H. Williamson and G.J. Carmichael. 1997. Field collection, handling, and storage of sperm of the endangered razorback sucker. North American Journal of Fisheries Management 17(1):167-173.
 

 Trammell, M. and T. Chart. 1997. Flaming Gorge studies: Colorado squawfish YOY habitat use, Green River, Utah, 1992-1996. Utah Division of Wildlife Resources, Moab. 29 pages.
 

 Tyus, H.M. 1997. Razorback sucker (Xyrauchen texanus) recovery plan. U.S. Fish and Wildlife Reference Service, Bethesda, Maryland. 76 pages.
 

 U.S. Bureau of Land Management. 1997. Environmental impact statement Lisbon Valley Copper Project. Final report. U.S. Bureau of Land Management, Moah, Utah. 578 pages.
 

 U.S. Bureau of Reclamation. 1997. Review of existing coordinated long-range operating criteria for Colorado River reservoirs (operating criteria). Federal Register 62(166):45440-45445.
 

 U.S. Bureau of Reclamation. 1997. Review of existing coordinated long-range operating criteria for Colorado River reservoirs (operating criteria). Federal Register 62(194):52354-52359.
 

 U.S. Bureau of Reclamation. 1997. Levee removal project of the floodplain habitat restoration program: an element of the recovery implementation program for endangered fish species in the upper Colorado River basin. Draft environmental assessment. U.S. Bureau of Reclamation, Upper Colorado Region, Provo, Utah.
 

 U.S. Department of Energy. 1997. Joint environmental assessment 1997--2001 of the California Department of Food and Agriculture Curly Top Virus Control Program for Bureau of Land Management and Department of Energy. U.S. Department of Energy, Naval Petroleum Reserves in California, Tupman, California. 323 pages.
 

 U.S. Department of the Interior. 1997. Quality of water, Colorado River basin. U.S. Department of the Interior. 104 pages.
 

 U.S. Department of the Interior. 1997. Biological and conference opinion on lower Colorado River operations and maintenance, Lake Mead to Southerly International Boundary. Final. U.S. Department of the Interior. 196 pages.
 

 U.S. Environmental Protection Agency. 1997. Guidance for assessing chemical contaminant data for use in fish advisories: risk assessment and consumption limits, second edition, volume 2. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 471 pages.
 

 U.S. Environmental Protection Agency. 1997. Incidence and severity of sediment contamination in surface waters of the United States. Volume I: national sediment quality survey. U.S. Environmental Protection Agency, Science and Technology, Washington, D.C. 304 pages.
 

 U.S. Fish and Wildlife Service. 1997. Memorandum: A letter to Mr. Fred Trevey, Forrest Supervisor, Coconino National Forrest, regarding Biological Assessments and Evaluations for the Windmill Grazing Allotment located on the Coconino National Forest. 
 

 U.S. Fish and Wildlife Service. 1997. Biological and conference opinion of lower Colorado River operations and maintenance. 
 

 U.S. Fish and Wildlife Service. 1997. Availability of a draft recovery plan for the razorback sucker (Xyrauchen texanus) for review and comment. Federal Register 62(172):47040-47041.
 

 U.S. Fish and Wildlife Service. 1997. Endangered and threatened species permit applications. Federal Register 62(224):62068-62069.
 

 U.S. Fish and Wildlife Service. 1997. Endangered and threatened species permit applications. Federal Register 62(28):6264-6265.
 

 U.S. Fish and Wildlife Service. 1997. Endangered and threatened species permit applications. Federal Register 62(71):18141.
 

 U.S. Fish and Wildlife Service. 1997. Endangered and threatened species permit applications. Federal Register 62(91):25965-25966.
 

 U.S. Fish and Wildlife Service. 1997. Studies of the Colorado squawfish in the upper Colorado River. Final reports for the Recovery Implementation Program, project no. 14. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction.
 

 Vaill, J.E. 1997. Computation of selected hydraulic variables for the lower Yampa River in northwestern Colorado. U.S. Department of the Interior, Colorado River Water Conservation District, Denver, Colorado. 30 pages.
 

 Valdez, R. 1997. Effects of an experimental flood on fish and backwaters in the Colorado River, Grand Canyon, Arizona. Pages 60-62 in Grand Canyon Monitoring and Research Center. Glen Canyon Dam beach/habitat-building flow: abstracts and executive summaries, April 1997. Grand Canyon Monitoring and Research Center, Flagstaff.
 

 Valdez, R.A. and R.J. Ryel. 1997. Life history and ecology of the humpback chub in the Colorado River in Grand Canyon, Arizona. Final report. Contract no. 0-CS-40-09110. Report no. TR-250-08. BIO/WEST, Inc., Logan, Utah.
 

 Vaselaar, R.T. 1997. Opening the flood gates: the 1996 Glen Canyon Dam experiment. Restoration and Management Notes 15(2):119-125.
 

 Wastren - Grand Junction, Inc. 1997. Site environmental report for calendar year 1996. Wastren - Grand Junction, Inc., Grand Junction, Colorado. 156 pages.
 

 Watts, G., W. Noonan, H. Maddux and D.S. Brookshire. 1997. Endangered Species Act and critical habitat designation: an integrated biological and economic approach. Colorado State University Larval Fish Laboratory, Fort Collins, and Colorado Division of Wildlife Report. 41 pages.
 

 Wick, E.J.  1997. Physical processes and habitat critical to the endangered razorback sucker on the Green River, Utah. Doctoral dissertation, Colorado State University, Fort Collins. 142 pages.
 

 Zimmerman, B.H. 1997. Radio-telemetry study to monitor habitat use and movements of juvenile razorback suckers prior to the implementation of a reintroduction program in the Grand Canyon. Hualapai Indian Reservation, Mohave & Coconino Counties, Arizona. Contract report, agreem No source.
 

 Anderson, R. 1998. Evaluation of Gunnison River flow manipulation upon larval production of Colorado squawfish in the Gunnison and Colorado River, Colorado. Draft report. Colorado Division of Wildlife, Fort Collins.
 

 Anderson, R. 1998. Riverine fish-flow investigations. Colorado Division of Wildlife, Fort Collins. 44 pages.
 

 Bestgen, K.R. and J.M. Bundy. 1998. Environmental factors affect daily increment deposition and otolith growth in young Colorado squawfish. Transactions of the American Fisheries Society 127(1):105-117.
 

 Bestgen, K.R., R.T. Muth and M.A. Trammell. 1998. Downstream transport of Colorado squawfish larvae in the Green River drainage: temporal and spatial variation in abundance and relationships with juvenile recruitment. Final report. Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Bradford, R.H., S.D. Gurtin and B.R. Vlach. 1998. Habitat use by razorback suckers implanted with ultra-sonic transmitters and released into the lower Imperial Division, Colorado River. Contract report no. 3, cooperative agreement 3-FC-34-08243. Arizona Game and Fish Department, Phoenix.
 

 Campbell, S. 1998. Ecology of western river reservoirs. http://biology.usgs.gov/cro/99bor-1.htm>
 

 Campton, D.E. 1998. Pikefish, not pikeminnow. Fisheries 23(11):38.
 

 Childs, M.R., R.W. Clarkson and A.T. Robinson. 1998. Resource use by larval and early juvenile native fishes in the Little Colorado River, Grand Canyon, Arizona. Transactions of the American Fisheries Society 127(4):620-629.
 

 Converse, Y.K., C.P. Hawkins and R.A. Valdez. 1998. Habitat relationships of subadult humpback chub in the Colorado River through Grand Canyon: spatial variability and implications of flow regulation. Regulated Rivers Research and Management 14(3):267-284.
 

 Crowl, T.A. and N.W. Bouwes. 1998. Population model for four endangered Colorado River fishes. Final report. Department of Fisheries and Wildlife, Logan, Utah. 75 pages.
 

 Douglas, M.E. and P.C. Marsh. 1998. Population and survival estimates of Catostomus latipinnis in northern Grand Canyon, with distribution and abundance of hybrids with Xyrauchen texanus. Copeia 12(4):915-925.
 

 Douglas, M.E., W.L. Minckley and H.M Tyus. 1998. Multivariate discrimination of Colorado plateau Gila spp: the "art of seeing well" revisited. Transactions of the American Fisheries Society 127(2):163-173.
 

 Dowling, T.E. 1998. Genetic diversity of the Gila complex as determined by analysis of mitochondrial DNA. No. 4-FC-40-15700. Arizona State University, Tempe.
 

 Federal Interagency Stream Restoration Working Group. 1998. Stream corridor restoration: principles, processes, and practices. Federal Interagency Stream Restoration Working Group. 631 pages.
 

 Flug, M. 1998. Ecosystem resource considerations in reservoir management: water resources update. Pages 43-56 in Universities Council on Water Resources, v. Summer 1997.
 

 Flug, M., H. Seitz and J. Scott. 1998. Data gathering technique for river resource identification. Pages 7.9-7.16. In Proceedings of the First Federal interagency hydrologic modeling conference; bridging the gap between technology and implementation of surface water quality and quality models in the next century. Subcommittee on Hydrology of the Intera
 

 Flug, M., H. Seitz and J. Scott. 1998. Measurement of stream channel habitat using sonar. Regulated Rivers Research and Management 14(6):511-517.
 

 Fogg, J.L.  1998. Beaver Dam Wash instream flow assessment. U.S. Bureau of Land Management, Denver, Colorado.
 

 Gorman, O.T, D.M. Stone and J.M. Seals. 1998. Ecology of razorback sucker during early spring in upper Lake Mohave, 1994-1997. Proceedings of the Annual Meeting of the Desert Fishes Council.
 

 Grover, J.Z. 1998. Fish health centers. Journal of Freshwater Fishing 23(6):20-21.
 

 Haines, G.B., D.W. Beyers and T. Modde. 1998. Estimation of winter survival, movement and dispersal of young Colorado squawfish in the Green River, Utah. Colorado River Recovery Program. 46 pages.
 

 Haines, G.B., S.H. Severson and T. Modde. 1998. Evaluation of razorback sucker and Colorado squawfish batch marking techniques. Progressive Fish Culturist 60(4):272-275.
 

 Hamilton, S. and S. Finger. 1998. Effects of siltation and salinization of the San Juan River on the survival and recovery of the Colorado squawfish and razorback sucker. 
 

 Hamilton, S.J. 1998. Selenium effects on endangered fish in the Colorado River basin. Pages 297-313 in W.T. Frankenberger and R.A. Engberg, eds. Environmental Chemistry of Selenium. Marcel Dekker, New York, New York.
 

 Hamilton, S.J., R.T. Muth, B. Waddell and T.W. May. 1998. Selenium and other trace elements in wild larval razorback suckers from the Green River, Utah. U.S. Geological Survey, Yankton, SD. Final report to the National Irrigation Water Quality Program. Denver, Colorado. 40 pages.
 

 Hood, L.C. 1998. Frayed safety nets: conservation planning under the Endangered Species Act 1998. Defenders of Wildlife, Washington, D.C. 115 pages.
 

 Jacobi, G.Z., J.E. Sublette, S.J. Herrmann, D.E. Crowley and M.D. Hatch. 1998. Investigations of an index of biotic integrity in New Mexico. Final report. Grant F-59-R-7, Project 1. Federal Aid in Sportfish Restoration. 398 pages.
 

 Jones, S.B., L.B. King, L.C. Sappington, F.J. Dwyer, M. Ellersieck and D.R. Buckler. 1998. Effects of carbaryl, permethrin, 4-nonylphenol, and copper on muscarinic cholinergic receptors in brain of surrogate and listed fish species. Comparative Biochemistry and Physiology, Pharmacology, Toxicology and Endocrinology 120C(3):405-414.
 

 Lemly, A.D. 1998. Position paper on selenium in ecotoxicology: a procedure for deriving site-specific water quality criteria. Ecotoxicology and Environmental Safety 39(1):1-9.
 

 Lentsch, L.D., C.A. Toline, T.A. Crowl and Y. Converse. 1998. Endangered fish interim management objectives for the upper Colorado River basin recovery and implementation program. Final report. Utah Division of Wildlife Resources, Salt Lake City. 40 pages.
 

 Mac, M. J., P.A. Opler, C.E.P. Haecker and P.D. Doran, eds. 1998. Status and trends of the nation's biological resources - southwest. U.S. Geological Survey, Biological Resources Division. 986 pages.
 

 Marsh, P.C. and C.A. Pacey. 1998. Growth of wild adult razorback suckers in Lake Mohave, Arizona and Nevada. Final report. U.S. Bureau of Reclamation, Boulder City, Nevada. 25 pages + appendices.
 

 McAda, C.W. and K. Fenton. 1998. Relationship of fish habitat to river flow in the Gunnison River. Final report to Colorado River Recovery Implementation Program, Project Number 47. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction.
 

 McAda, C.W., W.R. Elmblad, K.S. Day, M.A. Trammell and T.E. Chart. 1998. Interagency Standardized Monitoring Program. Summary of results, 1997. Annual report. U.S. Fish and Wildlife Service, Endangered Fish Recovery Program, Denver, Colorado.
 

 Milhous, R.T. 1998. Modelling of instream flow needs: the link between sediment and aquatic habitat. Regulated Rivers Research and Management 14(1):79-94.
 

 Modde, R.T., G.B. Haines, S.M. Meismer, E.J. Wick, T.E.Chart, D.E. Snyder and J.M. Bundy. 1998. Reproduction and early life history of razorback sucker in the Green River, Utah and Colorado. Final report. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Modde, T. 1998. Fish use of Old Charley Wash: an assessment of floodplain wetland importance to razorback sucker management and recovery. Draft final report. U.S. Fish and Wildlife Service. 63 pages.
 

 Modde, T. and D.B. Irving. 1998. Use of multiple spawning sites and seasonal movement by razorback suckers in the Middle Green River, Utah. North American Journal of Fisheries Management 18(2):318-326.
 

 Montagne, M. 1998. Grand Valley propagation facilities. 1997 Annual report. U.S. Fish and Wildlife Service, Colorado River Fish Recovery Program, Grand Junction. 21 pages.
 

 Mueller, G. and E. Wick. 1998. Testing of golf course ponds at Page, Arizona for suitability as grow-out facility for razorback sucker using surplus fish from Ouray National Fish Hatchery. National Park Service, U.S. Fish and Wildlife Service and Utah Division of Wildlife Resources. 28 pages.
 

 Mueller, G. and P. Marsh. 1998. Post-stocking dispersal, habitat use, and behavioral acclimation of juvenile razorback suckers (Xyrauchen texanus) in two Colorado River reservoirs. U.S. Geological Survey, Denver Colorado. 24 pages.
 

 Mueller, G., R. Wydoski and Q. Bradwisch. 1998. Fish. Pages 10-21 in G. Mueller, G., L. Boobar, R. Wydoski, K. Comella, R. Fridell and Q. Bradwisch, ed. Aquatic survey of the lower Escalante River, Glen Canyon National Park, Utah, June 22-26, 1998. U.S. Geological Survey, Fort Collins, Colorado. 37 pages.
 

 Muth, R.T., G.B. Haines, S.M. Meismer, E.J. Wick, T.E. Chart, D.E. Chart, D.E. Snyder and J.M. Bundy. 1998. Reproduction and early life history of razorback sucker in the Green River, Utah and Colorado, 1992-1996. Colorado River Recovery Implementation Program. 62 pages.
 

 Nance, E.L. 1998. Planktonic and benthic invertebrate densities in three backwater habitats on the lower Green River. Final report. Grand Junction, Colorado. 17 pages.
 

 Nelson, J.S., E.J. Crossman, H. Espinosa Perez, C.R. Gilbert, R.N. Lea and J.D. Williams. 1998. Recommended changes in common fish names: pikeminnow to replace squawfish (Ptychocheilus spp.). American Fisheries Society Special Publication (Bethesda) 23(9):37.
 

 Nesler, T.P. 1998. Five-year stocking plan for endangered Colorado River fish species in Colorado. Aquatic Nongame and Endangered Wildlife Program, Denver, Colorado. 34 pages.
 

 Newlin Taylor, E. 1998. How the Colorado squawfish reeled in the Animas La Plata Project: a legal and institutional look at the Endangered Species Act. New Mexico Journal of Science 38:64-82.
 

 No author. 1998. Coordination Committee December 15, 1998. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1998. Coordination Committee February 25,1998. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1998. Revised minutes (without attachments) of the Coordination Committee Meeting October 15, 1998. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1998. Environmental assessment for a refinement of the power delivery component of the Southern Nevada Water Authority Treatment and Transmission Facility. Report number: EIS-Nevada--99001918. Final. U.S. Bureau of Reclamation, Lower Colorado Regional Office, Boulder City, Nevada, Southern Nevada Water Authority, Colorado River Commission and Nevada Power Company.
 

 No author. 1998. Intermodal transportation of low-level radioactive waste to the Nevada test site. U.S. Department of Energy, Nevada Operations Office, Las Vegas, Nevada (United States). Report number: DOE/LLW--99001331. 250 pages.
 

 Osmundson, D.B. and B. Scheer. 1998. Monitoring cobble-gravel embeddedness in the streambed of the upper Colorado River. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Osmundson, D.B. and K.P. Burnham. 1998. Status and trends of the endangered Colorado squawfish in the Upper Colorado River. Transactions of the American Fisheries Society 127(6):957-970.
 

 Osmundson, D.B., R.J. Ryel, M.E. Tucker, B.D. Burdick, W.R. Elmblad and T.E. Chart. 1998. Dispersal patterns of subadult and adult Colorado squawfish in the Upper Colorado River. Transactions of the American Fisheries Society 127(6):943-956.
 

 Pacey, C.A. and P.C. Marsh. 1998. Resource use by native and nonnative fishes of the lower Colorado River: literature review, summary, and assessment of relative roles of biotic and abiotic factors in management of an imperiled indigenous ichthyofauna. Final report. U.S. Bureau of Reclamation, Boulder City, Nevada. 1086 pages.
 

 Pfeifer, F.K., C.W. McAda, D. Osmundson, T. Modde and B. Haines. 1998. Interagency Standardized Monitoring Program. FY98 Annual project report number 22-A. Annual report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Pitlick, J. and M.M. Van Steeter. 1998. Geomorphology and endangered fish habitats of the upper Colorado River, 2. Linking sediment transport to habitat maintenance. Water Resources Research 34(2):303-316.
 

 Poff, N.L. and J.D. Allan. 1998. Not a panacea, reply. Bioscience 48:427-428.
 

 Robinson, A.T., P.P. Hines, J.A. Sorensen and S.D. Bryan. 1998. Parasites and fish health in a desert stream, and management implications for two endangered fishes. North American Journal of Fisheries Management 18(3):599-608.
 

 Robinson, A.T., R.W. Clarkson and R.E. Forrest. 1998. Dispersal of larval fishes in a regulated river tributary. Transactions of the American Fisheries Society 127(5):772-786.
 

 Salisbury, L. 1998. Factors affecting razorback sucker growth in Lake Mohave backwaters. Bachelor's thesis, University of Nevada, Las Vegas.
 

 Saunders, III, J.F. and H.M. Tyus. 1998. Not a panacea. Bioscience 48:427.
 

 Schmitt, C.J. 1998. Environmental contaminants. Pages 131-165 in M.J. Mac, P.A. Opler, C.E. Puckett Haecker and P.D Doran, eds. Status and Trends of the Nation's Biological Resources. U.S. Department of the Interior, U.S. Geological Survey, Reston, Virginia.
 

 Stevens, L.E. and K. Rowell. 1998. State of natural and cultural resources in the Colorado River ecosystem. 
 

 Thieme, M.L. and C.C. McIvor. 1998. Arizona Game and Fish Department Heritage Grant # I95038. Final report. Arizona Game and Fish Department. 135 pages.
 

 Tiersch, T.R., C.R. Figiel, Jr., W.R. Wayman, J.H. Williamson, G.J. Carmichael and O.T. Gorman. 1998. Cryopreservation of sperm of the endangered razorback sucker. Transactions of the American Fisheries Society 127(1):95-104.
 

 Trammell, M. and T. Chart. 1998. Evaluation of sampling efficiency in the Interagency Standardized Monitoring Program (ISMP) for YOY Colorado squawfish. Utah Division of Wildlife Resources, Moab.
 

 Tyus, H.M. 1998. Early records of the endangered fish Gila cypha Miller from the Yampa River of Colorado with notes on its decline. Copeia 1:190-193.
 

 Tyus, H.M. 1998. Razorback sucker (Xyrauchen texanus) recovery plan. University of Colorado, Center for Limnology, Boulder. 76 pages.
 

 Tyus, H.M. and J.F. Saunders, III. 1998. An evaluation of recovery needs for endangered fishes in the upper Colorado River, with recommendations for future recovery actions. Final report (Contract 1196-12-1591B). University of Colorado at Boulder, Center for Limnology, Cooperative Institute for Research in Environmental Sciences. 89 pages.
 

 U.S. Bureau of Reclamation and U.S. Fish and Wildlife Service. 1998. Environmental assessment: acquisition and enhancement of floodplain habitats along the upper Colorado, Green, and Gunnison rivers as part of the Recovery Program for Endangered Colorado River Fishes. Final. U.S. Bureau of Reclamation, Grand Junction, Colorado, and U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 U.S. Bureau of Reclamation. 1998. RPA/RPM - Implementation (Review of status - 1/98). 
 

 U.S. Bureau of Reclamation. 1998. Measure biological and conference opinion on lower Colorado River operations and maintenance. 
 

 U.S. Bureau of Reclamation. 1998. Implementation of reasonable and prudent alternative and measure biological and conference opinion on lower Colorado River operations and maintenance, 1998 annual report. 
 

 U.S. Bureau of Reclamation. 1998. Review of existing coordinated long-range operating criteria for Colorado River reservoirs (operating criteria). Federal Register 63(36):9256-9261.
 

 U.S. Bureau of Reclamation. 1998. Grand Valley water management, final environmental assessment, making efficiency improvements to the Government Highline Canal and delivering surplus water from Green Mountain Reservoir to the Grand Valley Hydropower Plant. Grand Junction and Loveland, Colorado. 65 pages.
 

 U.S. Department of Energy. 1998. Questar Pipeline Company; notice of application. Federal Register 63(114):32652.
 

 U.S. Department of the Interior. 1998. Environmental assessment for acquisition and enhancement of floodplain habitats along the Colorado, Green and Gunnison Rivers as part of the Recovery Program for Endangered Colorado River Fishes. Final. U.S. Bureau of Reclamation, Salt Lake City and U.S. Fish and Wildlife Service, Denver, Colorado.
 

 U.S. Department of the Interior. 1998. Management and control of nonnative fish species in floodplain ponds along the upper Colorado and Gunnison Rivers, Denver, Colorado. Finding of no significant impact. U.S. Fish and Wildlife Service. 75 pages.
 

 U.S. Environmental Protection Agency. 1998. Modification of the National Pollutant Discharge Elimination System (NPDES) storm water multi-sector general permit for industrial activities termination of the EPA NPDES storm water baseline industrial general permit notice. Final. Federal Register 63(189):52430-52577.
 

 U.S. Environmental Protection Agency. 1998. Reissuance of NPDES general permits for storm water discharge from construction activities; notice (addenda). Federal Register 63(31):7957-8014.
 

 U.S. Environmental Protection Agency. 1998. National pollutant discharge elimination system; proposed regulations for revision of the water pollution control program addressing storm water discharges; proposed rule. National Pollutant Discharge Elimination System; Proposed Regulations for Revision Federal Register 63(6):1536-1643.
 

 U.S. Environmental Protection Agency. 1998. Catalog of EPA environmental education materials and resources. U.S. Environmental Protection Agency, Office of Communications, Education, and Media Relations. 62 pages.
 

 U.S. Environmental Protection Agency. 1998. Report on the peer consultation workshop on selenium aquatic toxicity and bioaccumulation. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 286 pages.
 

 U.S. Environmental Protection Agency. 1998. Drinking water and ground water data within the 305(b) program. U.S. Environmental Protection Agency, Washington, D.C. 146 pages.
 

 U.S. Environmental Protection Agency. 1998. Climate change and Arizona. EPA 236-F_98-0007C. U.S. Environmental Protection Agency. 4 pages.
 

 U.S. Fish and Wildlife Service. 1998. Service trains tribes in enforcement. 
 

 U.S. Fish and Wildlife Service. 1998. Endangered species permit applications. Federal Register 63(158):43952-43953.
 

 U.S. Fish and Wildlife Service. 1998. Endangered and threatened species permit applications. Federal Register 63(77):19933-19936.
 

 U.S. Fish and Wildlife Service. 1998. Availability of draft management objectives for the endangered fishes of the upper Colorado River for review and comment. Federal Register 63(86):24821.
 

 U.S. Fish and Wildlife Service. 1998. Endangered Species Consultation Handbook: Procedures for Conducting Consultation and Conference Activities Under Section 7 of the Endangered Species Act. U.S. Fish and Wildlife Service and National Marine Fisheries Service.
 

 U.S. Fish and Wildlife Service. 1998. Razorback sucker Xyrauchen texanus recovery plan. U.S. Fish and Wildlife Service, Region 6, Denver, Colorado. 77 pages.
 

 U.S. Forest Service. 1998. Amendment of land and resource management plans in the southwestern region. Federal Register 63(104):29692-29695.
 

 Valdez, R.A. and S.W. Carothers. 1998. Aquatic ecosystem of the Colorado River in Grand Canyon. Final report. SWCA, Inc., Flagstaff, Arizona.
 

 Van Steeter, M.M. and J. Pitlick. 1998. Geomorphology and endangered fish habitats of the upper Colorado River, 1. Historic changes in streamflow, sediment load, and channel morphology. Water Resources Research 34: 287-302.
 

 Wayman, W.R. and T.R. Tiersch. 1998. On site cryopreservation with nitrogen vapor shipping dewars. Page 574 in Aquaculture 1998 Book of Abstracts.
 

 Weiss, S.J., E.O. Otis and O.E. Maughan. 1998. Spawning ecology of flannelmouth sucker, Catostomus latipinnis (Catostomidae), in two small tributaries of the lower Colorado River. Environmental Biology of Fishes 52(4):419-433.
 

 Williams, J.D. and G.K. Meffe. 1998. Nonindigenous species. Pages 117-129 in M.J. Mac, P.A. Opler, C.E. Puckett Haecker and P.D. Doran, eds. Status and Trends of the Nation's Biological Resources. U.S. Department of the Interior, U.S. Geological Survey, Reston, Virginia.
 

 Williamson, J.H., D.C. Morizot and G.J. Carmichael. 1998. Biochemical genetics of endangered Colorado pikeminnow from the Green, Yampa, Colorado, and San Juan rivers. Final draft. Project number FY93 #23. U.S. Fish and Wildlife Service, Fish Technology Center.
 

 Anderson, R. 1999. Aspinall studies: evaluation of Gunnison River flow manipulation upon larval production of Colorado pikeminnow in the Colorado River, Colorado. Draft final. Colorado Division of Wildlife, Fort Collins.
 

 Anderson, R. and J. Mumma. 1999. Aspinall studies: annual assessment of Colorado Pikeminnow larval rroduction in the Gunnison and Colorado Rivers, Colorado 1992-1996. Colorado Division of Wildlife, Fort Collins. 53 pages.
 

 Anderson, R.M. 1999. Aspinall studies: annual assessment of Colorado pikeminnow larval production in the Colorado River, Utah 1992-1996. Final report. Project number 43-B. Colorado Division of Wildlife, Grand Junction.
 

 Barbour, M.T., J. Gerritsen, B.D. Snyder and J.B. Stribling. 1999. Rapid bioassessment protocols for use in wadeable streams and rivers. Periphyton, benthic macroinvertebrates, and fish. Second edition. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 344 pages.
 

 Berrens, R.P., M. McKee and M.C. Farmer. 1999. Incorporating distributional considerations in the safe minimum standard approach: endangered species and local impacts . Ecological Economics (30)3:461-474.
 

 Beyers, D.W. and C. Sodergren. 1999. Assessment and prediction of effects fo selenium exposure to larval razorback sucker. Colorado State University Larval Fish Laboratory, Fort Collins. 31 pages.
 

 Burdick, B.D. 1999. Evaluation of fish passage at the Grand Valley Irrigation Company Diversion Dam on the Colorado River near Palisade, Colorado. Final report to Recovery Implementation Program, Project CAP-17. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction.
 

 Cadrin, S.X. and K.D. Friedland. 1999. Utility of image processing techniques for morphometric analysis and stock identification. Fisheries Research 43(1-3):129-139.
 

 Carpenter, M.C., J.L. Lockett, E.J. Wick, G.R. Smith, B.J. Cluer and N.F. Blomgren. 1999. Monitoring sand deposition and erosion on spawning beds used by razorback suckers on the Green River downstream from Flaming Gorge Dam using an array of load-cell scour sensors. In American Geophysical Union, 1999 Fall Meeting, San Francisco, California, December 13-17, 1999, Supplement to Eos Transactions, v. 80, no. 46, November 16, 1999, p. F448.
 

 Cavalli, P.A. 1999. Fish community investigations in the lower Price River, 1996-1997. Utah Division of Wildlife Resources, Salt Lake City. 53 pages.
 

 Chart, T.E. and L. Lentsch. 1999. Flow effects on humpback chub (Gila cypha) in Westwater Canyon. Utah Divison of Wildlife Resources, Moab Native Fishes Field Office, Salt Lake City. 74 pages.
 

 Chart, T.E. and L.D. Lentsch. 1999. Reproduction and recruitment of Gila spp. and Colorado pikeminnow (Ptychocheilus lucius) in the middle Green River 1992–1996. Final report. Project number 39. Utah Division of Wildlife Resources, Moab and Salt Lake City.
 

 Chart, T.E., D.P. Svendson and L.D. Lentsch. 1999. Investigation of potential razorback sucker (Xyrauchen texanus) and Colorado squawfish (Ptychocheilus lucius) spawning in the lower Green River, 1994 and 1995. Final report. Project number 38. Report number 99-32. Utah Division of Wildlife Resources, Salt Lake City. 26 pages.
 

 Clarkson, R.W. 1999. U.S. Bureau of Reclamation's role in native fish recovery in the Gila River Basin. Arizona Riparian Council 12(2):1, 3-4.
 

 Committee on Grand Canyon Monitoring and Research, Water Science and Technology Board, Commission on Geosciences, Environment, and Resources, National Research Council. 1999. Downstream. Adaptive Management of Glen Canyon Dam and the Colorado River Ecosystem. National Academy Press, Washington, D.C. 230 pages
 

 Converse, Y. and P. Holden. 1999. Chapter 3: life history of the fishes of the San Juan River. Colorado pikeminnow. Pages 3-1 to 3-12 in in P.B. Holden, ed. Flow recommendations for the San Juan River. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Converse, Y.K., L.D. Lentsch and R.A. Valdez. 1999. Evaluation of size-dependent overwinter growth and mortality of age-0 Colorado pikeminnow. Utah Division of Wildlife Resources, Salt Lake City. 36 pages.
 

 Czapla, T.E. 1999. Genetics management plan (revised). Denver, Colorado. 48 pages.
 

 Day, K. and T. Modde. 1999. Distribution and recapture of razorback suckers stocked in the Green River in 1995. Final report. U.S. Fish and Wildlife Service, Denver, Colorado. 20 pages.
 

 Day, K.S., K.D. Christopherson and C. Crosby. 1999. An assessment of young-of-the-year Colorado pikeminnow (Ptychocheilus lucius) use of backwater habitats in the Green River, Utah. Report B in Flaming Gorge Studies: assessment of Colorado pikeminnow nursery habitat in the Green River. Final report. Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 Day, K.S., K.D. Christopherson and C. Crosby. 1999. Backwater use by young-of-year chub (Gila spp.) and Colorado pikeminnow in Desolation and Gray canyons of the Green River, Utah. Report B in Flaming Gorge Studies: reproduction and recruitment of Gila spp. and Colorado pikeminnow (Ptychocheilus lucius) in Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 Demlong, M. 1999. Beyond captive propagation. Endangered Species Bulletin 24(3):22-24.
 

 Desert Fishes Council. 1999. Proceedings of the Desert Fishes Council Volume XXX Annual Symposium. Desert Fishes Council, Bishop, California. 71 pages.
 

 Desert Fishes Council. 1999. Proceedings of the Desert Fishes Council Volume XXIX Annual Symposium. Desert Fishes Council, Bishop, California. 78 pages.
 

 Douglas, M.R., P.C. Brunner and L. Bernatchez 1999. Do assemblages of Coregonus (Teleostei: Salmoniformes) in the Central Alpine region of Europe represent species flocks? Molecular Ecology 8:589-603.
 

 Dowling, T.E., P.C. Marsh, C.A. Tibbets and C.A. Secor. 1999. Success in conservation: molecular evidence from razorback sucker. Proceedings of the Desert Fishes Council 30:4-5.
 

 Dwyer, F.J., D.K. Hardesty, C.E. Henke, C.G. Ingersol, D.W. Whites, D.R. Mount and C.M. Bridges. 1999. Assessing contaminant sensitivity of endangered and threatened species: toxicant classes. U.S. Geological Survey, Biological Resources Division, Columbia, Missouri. 18 pages.
 

 Dwyer, F.J., D.K. Hardesty, C.E. Henke, C.G. Ingersol, D.W. Whites, D.R. Mount and C.M. Bridges. 1999. Assessing contaminant sensitivity of endangered and threatened species: effluent toxicity tests. U.S. Geological Survey, Biological Resources Division, Columbia, Missouri. 26 pages.
 

 Fairchild, J.F., A.L. Allert, J. Mizzi, R. Reisenburg and B. Waddell. 1999. Determination of a safe level of ammonia that is protective of juvenile Colorado pikeminnow in the upper Colorado River, Utah. 1998 Quick Response Program, final report. 
 

 Foster, D.K. and G.A. Mueller. 1999. Movement patterns, behavior, and habitat use of razorback sucker stocked into the Green River at Canyonlands National Park, Utah. Open-file report 99-107. U.S. Geological Survey, Fort Collins, Colorado.
 

 Fuller, P.L., L.G. Nico and J.D. Williams. 1999. Nonindigenous fishes introduced into inland waters of the United States. Special Publication 27. American Fisheries Society, Bethesda, Maryland. 613 pages.
 

 Gido, K.B. and D.L. Propst.  1999. Habitat use and association of native and nonnative fishes in the San Juan River, New Mexico and Utah. Copeia (Gainesville) 2:321-332.
 

 Gorman, O.T. and D.M. Stone. 1999. Ecology of spawning humpback chub, Gila cypha, in the Little Colorado River near Grand Canyon, Arizona. Environmental Biology of Fishes (Dordrecht) 55:1-2:115-133.
 

 Hamilton, S.J. 1999. Hypothesis of historical effects from selenium on endangered fish in the Colorado River basin. Pages 513-516 in Proceedings of the American Water Resources Conference, Watershed Management to Protect Declining Species, Seattle, WA. December 5-9, 1999.
 

 Hayse, J.W., S.F. Daly, A. Tuthill, R. Valdez, B. Cowdell and G. Burton. 1999. Effect of daily fluctuations from Flaming Gorge Dam on formation of ice covers on the Green River. Final report, number 83. Argonne National Laboratory, Illinois. 123 pages.
 

 Hoetker, G.M. and K.W. Gobalet.  1999. Fossil razorback sucker (Pisces: Catostomidae, Xyrauchen texanus) from southeastern California. Copeia (Gainesville) 3:755-759.
 

 Hoffnagle, T.L., R.A. Valdez and D.W. Speas. 1999. Fish abundance, distribution, and habitat use. Pages 273-287 in R.H. Webb, J.C. Schmidt, G.R. Marzolf and R.A. Valdez, eds. The Controlled Flood in Grand Canyon. Geophysical Monograph 110, The American Geophysical Union, Washington, D.C.
 

 Holden, P.B. 1999. Flow recommendations for the San Juan River. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Holden, P.B., P.D. Abate and J.B. Ruppert. 1999. Razorback sucker studies on Lake Mead, Nevada, 1997-1998. Annual report. BIO/WEST, Inc., Logan, Utah.
 

 Hudson, J.M., L.D. Lentsch, K.W. Wilson and K.D. Christopherson. 1999. State of Utah stocking plan for endangered fish species of the upper Colorado River basin. Final report. Utah Division of Wildlife Resources, Salt Lake City.
 

 Johnson, J.E. and R.T. Hines. 1999. Effect of suspended sediment on vulnerability of young razorback suckers to predation. Transactions of the American Fisheries Society 128(4):648-655.
 

 Johnston, C.E. 1999. Relationship of spawning mode to conservation of North American minnows (Cyprinidae). Environmental Biology of Fishes (Dordrecht) 55(1-2):21-30.
 

 Kelly, J.P. 1999. An ichthyological survey of the Davy Crockett National Forest, Texas. Texas Journal of Science (College Station) 51(2):115-126.
 

 Kimball, J.F. 1999. Flow effects on humpback chub (Gila cypha) in Westwater Canyon. Utah Division of Wildlife Resources, Salt Lake City. 74 pages.
 

 Kohler, C. and W. Hubert, eds. 1999. Inland Fisheries Management in North America. American Fisheries Society, Bethesda, Maryland. 718 pages.
 

 Lamarra, V.A. 1999. Longitudinal variation in the trophic structure of the upper Colorado River. Final report. Logan, Utah. 101 pages.
 

 Landye, J., B. McCasland, C. Hart, K. Hayden and J.C. Thoesen. 1999. San Juan River fish health surveys (1992-1999). San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 11 pages.
 

 Lemly, A.D. 1999. Selenium transport and bioaccumulation in aquatic ecosystems: a proposal for water quality criteria based on hydrological units. Ecotoxicology and Environmental Safety 42(2):150-156.
 

 Marsh, P.C.  1999. Movements of sub-adult razorback sucker in a Colorado River reservoir. Interim progress report for cooperative agreement no. 1445-0009-94-1108, subagreement 6, with Arizona State University, Tempe, Arizona. Arizona State University, Tempe.
 

 Marsh, P.C. 1999. Survival of repatriated bonytail, Gila elegans, and razorback sucker, Xyrauchen texanus, in Lake Mohave, Arizona and Nevada. Proceedings of the Desert Fishes Council 29:34.
 

 Marsh, P.C. and B.R. Kesner. 1999. Movements of sub-adult razorback sucker in a Colorado River reservoir. Report Part 2, cooperative agreement 1445-0009-94-1108. U.S. Geological Survey, Denver, Colorado. 16 pages.
 

 Marsh, P.C. and B.R. Kesner. 1999. Movements of sub-adult razorback sucker in a regulated Colorado River reach. Report Part 1, cooperative agreement 1445-0009-94-1108. U.S. Geological Survey, Denver, Colorado. 18 pages.
 

 Marsh, P.C., C.A. Pacey and W.L. Minckley. 1999. Resource use attributes of Colorado River fishes and implication for management of native and non-native species. Proceedings of the Desert Fishes Council 30:24.
 

 McAda, C.W. and R.J. Ryel. 1999. Distribution, relative abundance, and environmental correlates for age-0 Colorado pikeminnow and sympatric fishes in the Colorado River. Recovery Program Project 45. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 McIvor, C.C. and M. Thieme. 1999. Flannelmouth suckers: movement in the Glen Canyon reach and spawning in the Paria River. Pages 289-295 in R. Webb, J.C. Schmidt, R. Marzolf and R. Valdez, eds. Floods and River Management: The 1996 Flood in the Colorado River in Grand Canyon,  American Geophysical Union Monograph 110.
 

 McKinney, T., W.R. Persons and R.S. Rogers. 1999. Ecology of flannelmouth sucker in the Lee's Ferry tailwater, Colorado River, Arizona. Great Basin Naturalist 59(3):259-265.
 

 Meismer, S.M. 1999. Effects of electrofishing fields on captive subadult Colorado pikeminnow and adult rainbow trout. Master's thesis, Colorado State University. 70 pages.
 

 Minckley, C.O. and M. LaBarbara. 1999. Report on native fish grow-out facilities at Cibola and Imperial National Wildlife Refuges 1993-1995. U.S. Fish and Wildlife Service, Parker Fishery Resources Office, Parker, Arizona.
 

 Modde, T., D.B. Irving and R. Anderson. 1999. Threshold model of stream profile vaiables for estimating baseflow needs for endangered fishes of the southwest. Proceedings of the 3rd International Symposium of Ecohydraulics. Salt Lake City, Utah. 21 pages.
 

 Mueller, G. and D.K. Foster. 1999. Case for site acclimation in the reintroduction of the endangered razorback sucker (Xyrauchen texanus). U.S. Departement of the Interior, U.S. Geological Survey, Denver, Colorado, and Northern Arizona State University, Flagstaff.
 

 Mueller, G. and M.J. Horn. 1999. Description of the pelagic zooplankton and fish communities of Lakes Powell and Mead. Open file report 99-109. U.S. Geological Survey. 449 pages.
 

 Mueller, G. C. Walters, P. Holden, P. Walker, J. Landye and B. Johnson. 1999. Scientific panel review of the Glen Canyon Dam modifications to control downstream temperatures, plan and draft environmental assessment (EA). 
 

 Mussetter, R.A, M.D. Harvey and R.D. Tenney. 1999. Geologic and geomorphic associations with Colorado pikeminnow spawning, lower Yampa River, Colorado. Mussetter Engineering, Fort Collins, Colorado.
 

 No author. 1999. Revised minutes of the April 8, 1999 Durango, Colorado San Juan River Recovery Implementation Program Coordination Committee. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1999. San Juan River Basin Recovery Implementation Program Biology Committee February 17, 1999 meeting summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1999. San Juan River Basin Recovery Implementation Program Biology Committee March 8-9, 1999 meeting summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1999. San Juan River Basin Recovery Implementation Program Biology Committee November 9-10, 1999 meeting summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 1999. Southpoint Power Plant final environmental impact statement. U.S. Department of the Interior Bureau of Indian Affairs, Phoenix, Arizona, U.S. Departmen of Energy, Western Area Power Administration, Phoenix, Arizona, Fort Mojave Indian Tribe, Needles, California and Hallock/Gross, Inc., Tempe, Arizona.
 

 Nuclear Regulatory Commission. 1999. Atlas corporation receipt of petition for director's decision under 10 CFR 2.206. Federal Register 64(29):7217-7218.
 

 Ogden Environmental and Energy Services Company, Inc. 1999. Lower Colorado River Multi-Species Conservation program. Draft conservation strategy for the Lower Colorado River MSCP. Ogden Environmental and Energy Services Company, Inc., San Diego, California.
 

 Osmundson, D.B. 1999. Longitudinal variation in fish community structure and water temperature in the upper Colorado River: implications for Colorado pikeminnow habitat suitability. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Pacey, C.A. and P.C. Marsh. 1999. Growth of wild adult razorback suckers in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 30:31-32.
 

 Pitlick, J., M. Van Steeter, R. Cress, B. Barkett and M. Franseen. 1999. Geomorphology and hydrology of the Colorado and Gunnison Rivers and implications for habitats used by endangered fishes. U.S. Fish and Wildlife Service, Recovery Implementation Program, Grand Junction, Colorado. 64 pages.
 

 Rakowski, C.L. and J.C. Schmidt. 1999. Geomorphic basis of Colorado pikeminnow nursery habitat in the Green River near Ouray, Utah. Final report. Flaming Gorge Studies: Assessment of Colorado pikeminnow nursery habitat in the Green River, Report A.
 

 Reigart, J.R. and J.R. Roberts. 1999. Reconocimiento y manejo de los envenenamientos por pesticidas (recognition and management of pesticide poisonings, 5th edition (Spanish). U.S. Environmental Protection Agency, National Center for Environmental Assessment, Office of Pesticide Programs Washington, D.C. 258 pages.
 

 Rinne, J.N. and J.A. Stefferud. 1999. Single versus multiple species management: native fishes in Arizona. Forest Ecology and Management 114(2-3):357-365.
 

 Ruppert, J.B., P.B. Holden and P.D. Abate. 1999. Age estimation and growth of razorback sucker, Xyrauchen texanus, in Lake Mead, Nevada. Proceedings of the Desert Fishes Council 30:40–41.
 

 Ryden, D.W. 1999. Chapter 3: life history of the fishes of the San Juan River. Razorback sucker. Pages 3-13 to 3-19 in in P.B. Holden, ed. Flow recommendations for the San Juan River. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 San Juan Recovery Program Biology Committee. 1999. San Juan River Basin Recovery Implementation Program annual budget and work plan fiscal year 1999. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 104 pages.
 

 Simons, A.M. and R.L. Mayden.  1999. Phylogenetic relationships on North America cyprinids and assessment of homology of the open posterior myodome. Copeia (Gainesville) 1:13-21.
 

 Simpson, Z.R. and J.D. Lusk. 1999. Environmental contaminants in aquatic plants, invertebrates, and fishes of the San Juan River mainstem, 1990-1996. U.S. Fish and Wildlife Service, New Mexico Ecological Services Field Office, Environmental Contaminants Program, Albuquerque, New Mexico. 71 pages + appendices.
 

 Sowka, P.A. and P.E. Brunkow. 1999. Cage culturing the endangered bonytail. North American Journal of Aquaculture 61(4):326-330.
 

 Stone, D.M.  1999. Ecology of humpback chub (Gila cypha) in the Little Colorado River, near Grand Canyon, Arizona. Master's thesis, Northern Arizona University, Flagstaff.
 

 Sturm, A. and P.D. Hansen. 1999. Altered cholinesterase and monooxygenase levels in Daphnia magna and Chironomus riparius exposed to environmental pollutants. Ecotoxicology and Environmental Safety 42(1):9-15 .
 

 T. Modde, W.J. Miller and R. Anderson. 1999. Determination of habitat availability, habitat use, and flow needs of endangered fishes in the Yampa River between August and October. Final report. U.S. Fish and Wildlife Service, Denver, Colorado. 134 pages.
 

 Tao, S., T. Liang, J. Cao, R.W. Dawson and C. Liu. 1999. Synergistic effect of copper and lead uptake by fish. Ecotoxicology and Environmental Safety 44(2):190-195.
 

 Trammell, M. and T. Chart 1999. Aspinall studies: evaluation of nursery habitat availability and Colorado pikeminnow young-of-year habitat use, in the Colorado River, Utah, 1992-1996. Final report. 49 pages.
 

 Trammell, M.A. and T.E. Chart. 1999. Colorado pikeminnow young-of-the-year habitat use, Green River, Utah, 1992-1996. Report C in Flaming Gorge studies: assessment of Colorado pikeminnow nursery habitat in the Green River. Final report. Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 Trammell, M.A., K.D. Christopherson, C.L. Rakowski, J.C. Schmidt, K.S. Day, C. Crosby and T. Chart. 1999. Flaming Gorge studies: assessment of Colorado pikeminnow nursery habitat in the Green River. Flaming Gorge #33. Final report. Utah Division of Wildlife Resources, Moab. 248 pages.
 

 Trammell, M.A., T.E. Chart and L.D. Lentsch. 1999. Aspinall studies. Evaluation of nursery habitat availability and Colorado pikeminnow young-of-year habitat use, in the lower Green River, Utah, 1992–1996. Final report of Project 33. Utah Division of Wildlife Resources.
 

 Tyus, H.M., W.C. Starnes, C.A. Karp and J.F. Saunders, III.  1999. Effects of invasive tissue collection on rainbow trout, razorback sucker, and bonytail chub. North American Journal of Fisheries Management (Bethesda) 19(3):848-855.
 

 U.S. Bureau of Reclamation. 1999. Implementation of reasonable and prudent alternative and measure biological and conference opinion on lower Colorado River operations and maintenance, 1999 annual report. 
 

 U.S. Bureau of Reclamation. 1999. Glen Canyon Dam modification to control downstream temperatures plan and draft environmental assessment. 
 

 U.S. Bureau of Reclamation. 1999. Scientific panel review of the Glen Canyon Dam modification to control downstream temperatures plan and draft environmental assessment processes. 
 

 U.S. Bureau of Reclamation. 1999. Notice of intent to prepare a draft supplemental environmental impact statement to the 1996 final supplement to the final environmental statement for the Animas-La Plata Project and announcement of public scoping meetings. Federal Register 64(1):176-179.
 

 U.S. Bureau of Reclamation. 1999. Notice of intent to prepare a draft environmental impact statement on the operations of the Navajo Unit, Colorado River storage project, New Mexico and Colorado and announcement of public scoping meetings. Federal Register 64(190):53407-53408.
 

 U.S. Bureau of Reclamation. 1999. Offstream storage of Colorado River water; development and release of intentionally created unused apportionment in the lower division states; final rule. Federal Register 64(210):58985-59009.
 

 U.S. Bureau of Reclamation. 1999. Multi-Species Conservation Program (MSCP) for the lower Colorado River, Arizona, Nevada, and California. Federal Register 64(95):27000-27002.
 

 U.S. Department of Agriculture. 1999. Regional Forester’s Sensitive Species List. U.S. Department of Agriculture Forest Service Region 3.
 

 U.S. Environmental Protection Agency. 1999. Persistent bioaccumulative toxic (PBT) chemicals; final rule. Federal Register 64(209):58665-58753.
 

 U.S. Environmental Protection Agency. 1999. National pollutant discharge elimination system. Regulations for revision of the water pollution control program addressing storm water discharges; final rule, report to Congress on the Phase 2 storm water regulations; notice. Federal Register 64(235):68722-68852.
 

 U.S. Environmental Protection Agency. 1999. EPA Office of Compliance sector notebook project: profile of local government operations. U.S. Environmental Protection Agency, Office of Enforcement and Compliance Assurance, Office of Compliance, Washington, D.C. 324 pages.
 

 U.S. Environmental Protection Agency. 1999. Appendices to the guide for industrial waste management: building partnerships, protecting ground water, surface water, air. U.S. Environmental Protection Agency, Office of Solid Waste and Emergency Response, Washington, D.C. 314 pages.
 

 U.S. Environmental Protection Agency. 1999. Waste not, want not: feeding the hungry and reducing solid waste through food recovery. U.S. Environmental Protection Agency. 62 pages.
 

 U.S. Fish and Wildlife Service. 1999. Southwestern tribes preserve tradition by preserving nature. 
 

 U.S. Fish and Wildlife Service. 1999. Endangered species permit applications. Federal Register 64(118):33112-33114.
 

 U.S. Fish and Wildlife Service. 1999. Endangered and threatened species permit applications. Federal Register 64(228):66639-66640.
 

 U.S. Fish and Wildlife Service. 1999. Endangered and threatened species permit applications. Federal Register 64(43):10714-10716.
 

 U.S. Fish and Wildlife Service. 1999. Endangered species permit applications. Federal Register 64(5):1209-1210.
 

 U.S. Forest Service. 1999. Amendment of land and resource management plans in the southwestern region. Federal Register 64(187):52274.
 

 Upper Colorado River Basin Recovery Implementation Program. 1999. Endangered fish population status assessment. 15-Mile Reach biological opinion. Appendix D. 
 

 Upper Colorado River Basin Recovery Implementation Program. 1999. Programmatic biological opinion for Bureau of Reclamation's operations and depletions, other depletions, and funding and implementation of recovery program actions in the upper Colorado River above the confluence with the Gunnison River. Final. 
 

 Upper Colorado River Basin Recovery Implementation Program. 1999. Memorandum: 15-Mile Reach biological opinion. Final programmatic biological opinion for Bureau of Reclamation’s operations and depletions, other depletions, and funding and implementation of recovery program actions in the upper Colorado River above the G 
 

 Upper Colorado River Basin Recovery Implementation Program. 1999. Bonytail distribution information, 1999. 
 

 Upper Colorado River Basin Recovery Implementation Program. 1999. Colorado pikeminnow distribution information, 1999. 
 

 Upper Colorado River Basin Recovery Implementation Program. 1999. Razorback sucker distribution information, 1999. 
 

 Upper Colorado River Basin Recovery Implementation Program. 1999. Annual facilities operation plan, 19 February, 1999. Final. Upper Colorado River Basin Recovery Implementation Program. 6 pages.
 

 Valdez, R.A. and B.R. Cowdell. 1999. Effects of flow regulation and ice processes on overwinter nursery habitat of age-0 Colorado pikeminnow in the Green River below Flaming Gorge Dam. BIO/WEST, Inc., Logan, Utah. 28 pages +.
 

 Valdez, R.A. and R.J. Ryel. 1999. Developing recovery goals for the four endangered Colorado River fishes: scope of work and cost estimate. SWCA, Inc., Flagstaff, Arizona and Logan, Utah, and Rydel and Associates. 14 pages.
 

 Valdez, R.A. and T.L. Hoffnagle. 1999. Movement, habitat use, and diet of adult humpback chub. Pages 297-307 in R.H. Webb, J.C. Schmidt, G.R. Marzolf and R.A. Valdez, eds. The Controlled Flood in Grand Canyon. Geophysical Monograph 110. American Geophysical Union, San Francisco, California.
 

 Valdez, R.A. and W.C. Leibfried. 1999. Captures of striped bass in the Colorado River in Grand Canyon, Arizona. Southwestern Naturalist 44(3):388-392.
 

 Valdez, R.A. and W.J. Masslich. 1999. Evidence of reproduction by humpback chub in a warm spring of the Colorado River in Grand Canyon, Arizona. Southwestern Naturalist 44(3):384-387.
 

 Valdez, R.A., B.R. Cowdell and L.D. Lentsch. 1999. Overwinter survival of age-0 Colorado pikeminnow in the Green River, Utah, 1987-1995. Final report for project no. FG-10. Recovery Implementation Program Five Year Flaming Gorge Research Program. 23 pages.
 

 Valdez, R.A., W. Persons and T.L. Hoffnagle. 1999. Non-native fish control strategy for Grand Canyon. U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Walters, C. and J. Korman.  1999. Linking recruitment to trophic factors: revisiting the Beverton-Holt recruitment model from a life history and multispecies perspective. Reviews in Fish Biology and Fisheries 9(2):187-202.
 

 Webb, R.H., J.C. Schmidt, G.R. Marzolf and R.A. Valdez, eds. 1999. Controlled Flood Grand Canyon. American Geophysical Union, Washington, D.C. 367 pages + maps.
 

 Wirtz, P. 1999. Mother species–father species: unidirectional hybridization in animals with female choice. Animal Behaviour 58(1):1-12.
 

 Abarca, F.J. and L.J. Allison. 2000. Issues in defining, detecting, and quantifying rare species. U.S. Bureau of Reclamation, Phoenix, Arizona and Nongame and Endangered Wildlife Program, Arizona Game and Fish Department, Phoenix, Arizona. 25 pages.
 

 Abell, R.A, T. Allnutt, J.T. Diggs, E. Dinerstein, W. Eichbaum, P. Hedao, P.T. Hurley, C.J. Loucks, D.M. Olson, S. Walters and W. Wettengel. 2000. Chapter 4. Conservation status of North American ecoregions. Pages 59-86 In R.A. Abell, D.M. Olsen and E. Dinerstein, eds. Freshwater Ecoregions of North America: A Conservation Assessment, Island Press, Washington, D.C. 368 pages.
 

 Allert, A.A., K.R. Echols, S.E. Finger, R.W. Gale, E.E. Little and T.W. May. 2000. Effects of environmental perturbations on the aquatic community in the San Juan River. U.S. Bureau of Land Management, Farmington, New Mexico.
 

 Allison, L.J. 2000. Power analysis for long-term monitoring of fishes in selected waters of the Gila River basin, Arizona. U.S. Bureau of Reclamation, Phoenix, Arizona and Nongame and Endangered Wildlife Program, Arizona Game and Fish Department, Phoenix, Arizona. 53 pages.
 

 Archer, E. T.A. Crowl and M. Trammell. 2000. Abundance of age-0 native fish species and nursery habitat quality and availability in the San Juan River, New Mexico, Colorado and Utah. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 167 pages.
 

 Baedecker, M.J. and L.C. Friedman, eds. 2000. Modeling and experimental flooding in the Grand Canyon. Pages 10-11. In M.J. Baedecker and L.C. Friedman, eds. U.S. Geological Survey National Research Program in the Hydrologic Sciences. U.S. Geological Survey Circular 1195.
 

 Bestgen, K.R. and L.W. Crist. 2000. Response of the Green River fish community to construction and re-regulation of Flaming Gorge Dam, 1962–1996. Final Report of Colorado State University Larval Fish Laboratory to Upper Colorado River Endangered Fish Recovery Program. Upper Colorado River Endangered Fish Recovery Program. 74 pages.
 

 Bliesner, R. and V. Lamarra. 2000. Hydrology, geomorphology and habitat studies. Final report. San Juan River Basin Recovery Implementation Program, U.S Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Bradford, R.H and S.D. Gurtin. 2000. Habitat use by the hatchery reared adult razorback suckers released into the lower Colorado River, California Arizona. North American Journal of Fisheries Management 20(1):154-167.
 

 Bradford, R.H. and S.D. Gurtin. 2000. Habitat use by hatchery-reared adult razorback suckers released into the lower Colorado River, California-Arizona. North American Journal of Fisheries Management 20(1):154-167.
 

 Brandenburg, W.H. 2000. Razorback sucker larval fish survey: San Juan River 1998 and 1999. River 1998 and 1999. River 1998 and 1999. Division of Fishes, Museum of Southwestern Biology, University of New Mexico, Albuquerque. 46 pages.
 

 Brooks, J.E., M.J. Buntjer and J.R. Smith. 2000. Nonnative species interactions: management implications to aid in recovery of the Colorado pikeminnow Ptychocheilus lucius and razorback sucker Xyrauchen texanus in the San Juan River, Colorado-New Mexico-Utah. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Brower, A., C. Reedy and J. Yelin-Kefer. 2000. Consensus and convervation in the upper Colorado River Basin Recovery Implementation Program. Conservation Biology 15(4):1001-1007.
 

 Buhl, K.J. and S.J. Hamilton. 2000. Chronic toxicity of dietary and waterborne selenium to adult Colorado pikeminnow (Ptychocheilus lucius) in a water quality simulating that in the San Juan River. Final report. U.S. Geological Survey, Columbia Environmental Research Center, Yankton Ecotoxicology Research Station, Yankton, South Dakota. 90 pages + appendices.
 

 Burdick, B.D. 2000. Overview of telemetry equipment and techniques used with native fishes in the upper Colorado River basin. Pages 173–185 in J.H. Eiler, D.J. Alcorn and M.R. Neuman, eds. Biotelemetry 15: Proceedings of the 15th International Symposium on Biotelemetry, Juneau, Alaska. International Society on Biotelemetry, Wageningen, The Netherlands.
 

 Burke, T. 2000. Risk assessment for entrainment into canals and passage through power plants of razorback and bonytail chub in lower Colorado River. 
 

 Cajaraville, M.P., M.J. Bebianno, J. Blasco, C. Porte, C. Sarasquete and A. Viarengo. 2000. Use of biomarkers to assess the impact of pollution in coastal environments of the Iberian Peninsula: a practical approach. The Science of The Total Environment 247(2-3):295-311 . The Science of The Total Environment Volume 247, Issues 2-3 , 20 March 2000, Pages 295-311
 

 Carpenter, J. 2000. Effects of introduced crayfish on selected native fishes of Arizona. Doctoral dissertation, University of Arizona, Tucson.
 

 Carpenter, M.C., B.L. Cluer, G.R. Smith, E.J. Wick, J.L. Lockett, Jr. and S.J. Brockner. 2000. Monitoring sand deposition and erosion on spawning beds used by razorback suckers on the Green River downstream from Flaming Gorge Dam using an array of load-cell scour sensors. Pages 13-14 in Arizona Hydrological Society, Proceedings of the Thirteenth Annual Symposium, September 20-23, 2000, Phoenix, Arizona.
 

 Cavalli, P.A. 2000. An evaluation of the effects of Tusher Wash diversion dam on movement and survival of juvenile and subadult native fish. Publication number 01-1. Utah Division of Wildlife Resources, Salt Lake City. 33 pages.
 

 Chart, T.E. and L.D. Lentsch. 2000. Reproduction and recruitment of Gila spp. and Colorado pikeminnow in the Middle Green River 1992-1996. Final report. Utah Division of Wildlife Resources, Salt Lake City.
 

 Clarkson, R.W. and M.R. Childs. 2000. Temperature effects of hypolimnial-release dams on early life stages of Colorado River basin big-river fishes. Copeia 2:402-412.
 

 Daerr, E.G.  2000. Fish running out of water. National Parks 74(5/6):50.
 

 Desert Fishes Council. 2000. Proceedings of the Desert Fishes Council Volume XXXI Annual Symposium. Desert Fishes Council, Bishop, California. 63 pages.
 

 Dexter National Fish Hatchery. 2000. Dexter NFH stocking trip record 00-03. Dexter National Fish Hatchery.
 

 Douglas, M.R. and M.E. Douglas.  2000. Late season reproduction by big-river catostomidae in Grand Canyon (Arizona). Copeia (Gainesville) 1:238-244.
 

 Dudley, R.K. and S.P. Platania. 2000. Downstream transport rates of passively drifting particle in the San Juan River in 1998. Draft report. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 34 pages.
 

 Figiel, Jr., C.R., M. Jackson and M.E. Ulibarri. 2000. Experimental growth of humpback chub at three temperatures. Proceedings of the Annual Meeting of the Desert Fishes Council.
 

 Gobalet, K.W. and T.A. Wake. 2000. Archaeological and paleontological fish remains from the Salton Basin, southern California. Southwestern Naturalist 45(4):514-520.
 

 Gorman, O.T. 2000. Ecological and genetic considerations for collection of gametes from wild fishes. Advances in World Aquaculture 7:319-322.
 

 Gorman, O.T. and L. Coggins. 2000. Status and trends of native and non-native fishes of the Colorado River in Grand Canyon 1990-2000. Final report. U.S. Fish and Wildlife Service, Flagstaff, Arizona.
 

 Gosnell, H. 2000. Water, fish, tribes, and choice: the boundaries of agency discretion in the implementation of the Endangered Species Act. An analysis of the Section 7 consultation process for the Animas-La Plata Project, Colorado. 
 

 Gurtin, S.D. and R.H. Bradford. 2000. Use of habitat and associated habitat characteristics used by hatchery-reared adult razorback suckers implanted with ultra-sonic transmitters and released into the lower Imperial Division, Colorado River. Contract report no. 4, cooperative agreement 99-FG Arizona Game and Fish Department, Phoenix.
 

 Gurtin, S.D. and R.H. Bradford. 2000. Race against time: saving the endangered razorback sucker. Arizona Wildlife Views 43:26-27.
 

 Hamilton, S.J. 2000. Hypothesis of historical effects from selenium on endangered fish in the Colorado River basin. Human and Ecological Risk Assessment 5(6):1153-1180.
 

 Hamilton, S.J., K.J. Buhl, F.A. Bullard and E.E. Little. 2000. Chronic toxicity and hazard assessment of an inorganic mixture simulating irrigation drainwater to razorback sucker and bonytail. Environmental Toxicology 15(1):48-64.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl and F.A. Bullard.  2000. Effects of selenium on reproduction of endangered razorback sucker. Pages 509-512 in Proceedings of the American Water Resources Conference, Watershed Management to Protect Declining Species, Seattle, WA. December 5-9, 1999.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl, F.A. Bullard, L.K. Weston and S.F. McDonald. 2000. On-site evaluation of contaminant impacts on razorback sucker in flooded bottomland sites in the upper Colorado River basin -- 1996. Draft report to the Recovery Implementation Program for the Endangered Fishes of the Upper Colorado River Basin, U.S. Fish U.S. Geological Survey, Yankton, South Dakota. 351 pages.
 

 Hamilton, S.J., R. T. Muth, B. Waddell and T.W. May. 2000. Hazard assessment and other trace elements in wild larval razorback sucker from the Green River, Utah. Ecotoxicology and Environmental Safety 45(2):132-147.
 

 Hamilton, S.J., R.T. Muth, B. Waddell and T.W. May. 2000. Hazard assessment of selenium and other trace elements in wild larval razorback sucker from the Green River, Utah. Ecotoxicology and Environmental Safety 45:132-147.
 

 Hawkins, J.A. 2000. X-ray assessment of electrofishing injury of Colorado pikeminnow. Colorado State University, Fort Collins. 29 pages.
 

 Hayse, J. W., S.F. Daly, A. Tuthill, R.A. Valdez, R. A., B. Cowdell and G. Burton. 2000. Effect of daily fluctuations from Flaming Gorge Dam in ice processes in the Green River. Argonne National Laboratory, Illinois. 123 pages.
 

 Heckmann, R. 2000. Asian tapeworm, Bothriocephalus acheilognathi (Yamaguti, 1934), a recent cestode introduction into the western United States of America; control methods and effect on endangered fish populations. Proceedings of Parasitology 29: 1-24.
 

 Hedrick, P.W, T.E. Dowling and W.L. Minckley. 2000. Establishing a captive broodstock for the endangered bonytail chub (Gila elegans). Journal of Heredity 91(1):35-49.
 

 Hedrick, P.W.  2000. Applications of population genetics and molecular techniques to conservation biology. Conservation Biology Series (Cambridge). 4:113-125.
 

 Hoffnagle, T.L. 2000. Humpback chub Gila cypha health and parasites, 1998-1999. Final report. Arizona Game and Fish Department, Phoenix.
 

 Hoffnagle, T.L., R.A. Cole and A. Choudhury. 2000. Parasites of native and non-native fishes of the lower Little Colorado River, Arizona. 1999 Annual report. U.S. Geological Survey, Biological Resources Division, Madison, Wisconsin, and Arizona Game and Fish Department, Phoenix.
 

 Holden, P.B. 2000. Program evaluation report for the 7-year research period (1991-1997). San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Holden, P.B., P.D. Abate and J.B. Ruppert. 2000. Razorback sucker studies on Lake Mead, Nevada, 1998-1999. Annual report. BIO/WEST, Inc., Logan, Utah.
 

 Holden, P.B., P.D. Abate and J.B. Ruppert. 2000. Razorback sucker studies on Lake Mead, Nevada, 1999-2000. Annual report. BIO/WEST, Inc., Logan, Utah. 41 pages.
 

 Humphries, P. and P.S. Lake. 2000. Fish larvae and the management of regulated rivers. Regulated Rivers: Research & Management 16(5):421-432.
 

 Irving, D.B. and T. Modde.  2000. Home-range fidelity and use of historic habitat by adult Colorado pikeminnow (Ptychocheilus lucius) in the White River, Colorado and Utah. Western North American Naturalist 60(1):16-25.
 

 Jahrke, E. and D.A. Clark. 2000. Razorback sucker and Colorado pikeminnow (formerly squawfish) reintroduction and monitoring in the Salt and Verde Rivers. Paper presented at the 33rd Joint Annual Meeting of the Arizona/New Mexico Chapter of the American Fisheries Society and Arizona and New Mexico Chapters of The Wildlife Society, February 3–5, 2000, Sierra Vista, Arizona.
 

 Korte, N.E. 2000. Selenium poisoning of wildlife and western agriculture: cause and effect. Oak Ridge National Laboratory, Environmental Sciences Division, Oak Ridge, Tennessee. 54 pages.
 

 Kubitschek, J.P. and M.R. Campbell. 2000. Price-Stubb Diversion Dam fish passage structure, Colorado River. 1:20 scale physical model study. U.S. Bureau of Reclamation, Water Resources Research Lab, Denver, Colorado. 42 pages.
 

 Lenon, N. 2000. Predator-prey interactions between bonytail chub (Gila elegans) and red swamp crayfish (Procambarus clarkii). Bachelor's thesis, University of Nevada, Las Vegas.
 

 Lentsch, L.D., B.G. Hoskins and L.M. Lubomudrov. 2000. White River and endangered fish recovery: A hydrological, physical and biological synopsis. Final Report. Publication Number 00-37. Utah Division of Wildlife Resources, Salt Lake City. 56 pages.
 

 Lower Colorado River Multi-Species Conservation Program. 2000. Many titles - see website. 
 

 Marsh, P.C. 2000. Fish population status and evaluation in the Cibola High Levee Pond. Final report, agreement number 99-FG-30-00051. U.S. Bureau of Reclamation, Boulder City Nevada. 20 pages.
 

 Marsh, P.C. and B.R. Kesner. 2000. Movements of sub-adult razorback sucker in a regulated Colorado river reach, revisited. Final report. Cooperative agreement 1445-0009-94-1108. U.S. Geological Survey, Denver, Colorado. 18 pages.
 

 Marsh, P.C. and B.R. Kesner. 2000. Movements of sub-adult razorback sucker in a regulated Colorado River reach, revisited. Report Part 3. Cooperative agreement 1445-0009-94-1108. U.S. Geological Survey, Denver, Colorado. 23 pages.
 

 Marsh, P.C. and C.A. Pacey. 2000. Endangered razorback sucker rearing program database management, lower Colorado River repatriate razorback sucker pit-tagging database summary report 1992-1999. Final report, agreement number 99-FG-30-0067. U.S. Bureau of Reclamation, Boulder City, Nevada. 7 pages + paper and electronic appendices.
 

 Marsh, P.C. and G. Mueller. 2000. Spring-summer movements of bonytail in a Colorado River reservoir, Lake Mohave, Arizona and Nevada. Open file report 99-103. U.S. Geological Survey, Mid-Continent Ecological Science Center, Fort Collins, Colorado. 26 + pages.
 

 Meretsky, V.J., R.A.Valdez, M.E. Douglas, M.J. Brouder, O.T. Gorman and P.C. Marsh. 2000. Spatiotemporal variation in length-weight relationships of endangered humback chub: implications for conservation and management. Transactions of the American Fisheries Society 129:419-428.
 

 Miller, S.K. 2000. Undamming Glen Canyon: lunacy, rationality, or prophecy? Stanford Environmental Law Journal 19:121-172.
 

 Miller, W.J. and D.E. Rees. 2000. Ichthyofaunal surveys of tributaries of the San Juan River, New Mexico. Final report. Miller Ecological Consultants, Inc., Fort Collins, Colorado. 28 pages + appendices.
 

 Miller, W.J. and J.A. Ptacek. 2000. Colorado pikeminnow habitat use in the San Juan River, New Mexico and Utah. Final report. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 71 pages.
 

 Minckley, W.L. and B.D. DeMarais. 2000. Taxonomy of chubs (Teleostei, Cyprinidae, genus Gila) in the American Southwest with comments on conservation. Copeia (1):251-256.
 

 Moyle, P.B. and L.H. Davis. 2000. List of freshwater, anadromous and euryhaline fishes of California. California Fish and Game 86(4):244-258.
 

 Mueller, G., P.C. Marsh, G. Knowles and T. Wolters. 2000. Distribution, movements, and habitat use of razorback sucker (Xyrauchen texanus) in a lower Colorado River reservoir, Arizona-Nevada. Western North American Naturalist (60)2:180-187.
 

 Mueller, K.W. and M.R. Downen. 2000. Horseshoe Lake survey: the warmwater fish community before chemical precipitation of phosphorus and increase dilution of the lake, 1997. Annual report. Washington Department of Fish and Wildlife. 31 pages.
 

 Mueller, K.W. and M.R. Downen. 2000. South Lewis County Regional Park Pond survey: the warmwater fish community before implementing biological control of nuisance aquatic vegetation and overproduction of forage and non game fish, 1997. Annual report. Washington Department of Fish and Wildlife. 36 pages.
 

 Muth, R.T., L.W. Crist, K.E. LaGory, J.W. Hayse, K.R. Bestgen, T.P. Ryan, J.K. Lyons and R.A. Valdez. 2000. Flow and temperature recommendations for the endangered fishes in the Green River downstream of Flaming Gorge Dam. Final report. 
 

 Muth, R.T., L.W. Crist, K.E. LaGory, J.W. Hayse, K.R. Bestgen, T.P. Ryan, J.K. Lyons and R.A. Valdez. 2000. Chapter 4. Draft final report. Colorado River Recovery Program Project FG-1. In Flow and temperature recommendations for endangered fishes in the Green River downstream of Flaming Gorge Dam.
 

 National Park Service. 2000. Natural resource year in review 2000. Summarizing and analyzing the year in natural resource stewardship and science in the national park system. National Park Service, Lakewood, Colorado. 80 pages.
 

 Nesler, T.P. 2000. Recovery of the Colorado River endangered fishes: biological recovery goals and criteria for Colorado pikeminnow, humpback chub, razorback sucker and bonytail. A proposal for downlisting and delisting. Colorado Division of Wildlife, Denver. 48 pages + tables.
 

 Nesler, T.P. 2000. Recovery of the Colorado River endangered fishes. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 2000. Annual budget and work plan, fiscal year 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 2000. San Juan River Basin Recovery Implementation Program Biology Committee meeting, Farmington, New Mexico, June 13-14, 2000 Final meeting summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 2000. San Juan River Basin Recovery Implementation Program coordination committee meeting, January 19, 2000. Final summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 2000. San Juan River Basin Recovery Implementation Program coordination committee meeting, June 14, 2000. Final summary. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 2000. San Juan River biology committee meeting Farmington, New Mexico 15-16 February 2000, approved - 11 April 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 2000. San Juan River Recovery Implementation Program Biology Committee meeting Farmington, New Mexico 11-12 April 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 No author. 2000. Upper Colorado River endangered fish recovery program and San Juan River basin recovery implementation program 2000. Washington, D.C. Briefing Book Upper Colorado River Endangered Fish Recovery Program Denver, Colorado. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Ojanguren, A.F. and F. Brana. 2000. Thermal dependence of swimming endurance in juvenile brown trout. Journal of Fish Biology.
 

 Orchard, K.L and J.C. Schmidt. 2000. Geomorphic assessment of the availability of potential humpback chub habitat in the Green River in Desolation and Gray Canyons, Utah. Report A. In Flaming Gorge Studies: Reproduction and Recruitment of Gila spp.and Colorado Pikeminnow (Ptychocheilus lucius) in the Green River. Final report. Utah Division of Wildlife.
 

 Osmundson, B.C., T.W. May and D.B. Osmundson. 2000. Selenium concentrations in the Colorado pikeminnow (Ptychocheilus lucius): relationship with flows in the upper Colorado River. Archives of Environmental Contamination and Toxicology 38(4):479-485.
 

 Osmundson, D.B. 2000. Importance of the "15-Mile Reach" to Colorado River population of endangered Colorado pikeminnow and razorback sucker. Final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 20 pages.
 

 Osmundson, D.B., R.J. Ryel, V.L. Lamarra and J. Pitlick. 2000. Longitudinal variation in trophic structure of a regulated river: relationships among physical habitat, flow, sediment and biota. Final Report. Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 Pacey, C.A. and P.C. Marsh. 2000. Species profile: bonytail (Gila elegans). Arizona Riparian Council 13(2):7-9.
 

 Pacey, C.A. and P.C. Marsh. 2000. Lower Colorado River native fishes pit tag database management summary report for the period October 1, 1997 through May 31, 1999. Final report, task agreement no. 5, cooperative agreement 1445-0009-94-1108. U.S. Geological Survey, Denver, Colorado. 20 + pages.
 

 Platania, S.P. and W.H. Brandenburg. 2000. San Juan River 1998 larval razorback sucker survey. Annual report. Museum of Southwestern Biology, University of New Mexico, Albuquerque.
 

 Platania, S.P. and W.H. Brandenburg. 2000. San Juan River 1999 larval razorback sucker survey. Annual report. Museum of Southwestern Biology, University of New Mexico, Albuquerque.
 

 Platania, S.P., R.K. Dudley and S.L. Maruca 2000. Drift of fishes in the San Juan River 1991-1997. Final report. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 71 pages.
 

 Pringle, C.M., M.C. Freeman, MC and B.J. Freeman. 2000. Regional effects of hydrologic alterations on riverine macrobiota in the New World: tropical temperate comparisons. Bioscience 50(9):807-823.
 

 Propst, D.L. and A.L. Hobbes 2000. Seasonal abundance, distribution and population size structure of fishes in San Juan River secondary channels, 1991-1997. San Juan River Basin Recovery Implementation Program, U.S Fish and Wildlife Service, Albuquerque, New Mexico. 214 pages.
 

 Propst, D.L., A.L. Hobbes and R.D. Larson. 2000. Small-bodied fish monitoring San Juan River 1998 and 1999. Conservation Services Division, New Mexico Department of Game and Fish, Santa Fe. 67 pages.
 

 Propst, D.L., S.P. Platania, D.W. Ryden and R.L. Bliesner. 2000. San Juan River monitoring plan and protocols 31 March 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Quinn, S. 2000. Those other fish: the embattled squawfish. The In-Fisherman (The Journal of Freshwater Fishing) 25(2):120-122.
 

 Ryden, D.W. 2000. Monitoring of experimentally stocked razorback sucker in the San Juan River: March 1994 through October 1997. Final report. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Ryden, D.W. 2000. Adult fish community monitoring on the San Juan River, 1991-1997. Final Report January 31, 2000. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 298 pages.
 

 Ryden, D.W. 2000. Long-term monitoring of sub-adult and adult large bodied fishes in the San Juan River, 1998 and 1999. Interim progress report (draft final). San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 47 pages.
 

 Ryden, D.W. 2000. Monitoring of razorback sucker stocked into the San Juan River as part of a five-year augmentation effort: 1997-1999. Interim progress report (draft final). San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 49 pages.
 

 Schmetterlin, D.A. and D.H. McEvoy.  2000. Abundance and diversity of fishes migrating to a hydroelectric dam in Montana. North American Journal of Fisheries Management 20(3):711-179.
 

 Secretaría de Desarrollo Social. 2000. Diario Oficial de la Federacion, PROY-NOM-059-ECOL-2000. Page 45. Secretaría de Desarrollo Social.
 

 Secretaría de Desarrollo Social. 2000. Diario Oficial de la Federacion, PROY-NOM-059-ECOL-2000. Page 46. Secretaría de Desarrollo Social.
 

 Secretaría de Desarrollo Social. 2000. Diario Oficial de la Federacion, PROY-NOM-059-ECOL-2000. Page 47. Secretaría de Desarrollo Social.
 

 Smith, J.R. and J.E. Brooks. 2000. Non-native species monitoring and control, San Juan River 1998-1999. Progress report. U.S. Fish and Wildlife Service, New Mexico Fishery Resources Office, Albuquerque. 23 pages.
 

 Speas, D.W. 2000. Zooplankton density and community composition following an experimental flood in the Colorado River, Grand Canyon, Arizona. Regulated Rivers: Research & Management 16(1):73-81.
 

 Springer, C. 2000. Rounding up razorbacks. Endangered Species Bulletin 25(5):18-19.
 

 SWCA, Inc. Environmental Consultants. 2000. Strategies for developing the Little Colorado River management plan. SWCA, Inc. Environmental Consultants, Flagstaff, Arizona.
 

 SWCA, Inc. Environmental Consultants. 2000. Recovery goals for the four Colorado River endangered fish species. SWCA, Inc., Logan, Utah. 60 pages.
 

 Tiersch, T.R., C.R. Figiel, Jr., W.R. Wayman, J.H. Williamson, G.J. Carmichael and O.T. Gorman. 2000. Cryopreservation of sperm of the endangered razorback sucker. Pages 117-122 in T.R. Tiersch and P.M. Mazik, eds. Cryopreservation in aquatic species. World Aquaculture Society, Baton Rouge, Louisiana.
 

 Trammell, M. 2000. Evaluation of reintroduction of young-of-the-year Colorado pikeminnow in the San Juan River 1999. Annual report. Draft. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Tyus, H.M. and J.F. Saunders, III. 2000. Nonnative fish control and endangered fish recovery: lessons from the Colorado River. Fisheries 25(9):848-855.
 

 Tyus, H.M. and J.F. Saunders, III. 2000. Role of tributary streams in the recovery of endangered fishes of the upper Colorado River basin, with recommendations for future recovery actions. Draft report. U.S. Fish and Wildlife Service, Denver, Colorado. 103 pages.
 

 Tyus, H.M., C.W. Brown and J.F. Saunders, III. 2000. Activity of young Colorado pikeminnow and razorback sucker in response to water movements. Environmental Biology of Fishes 15(4):525-535.
 

 Tyus, H.M., C.W. Brown and J.F. Saunders, III. 2000. Movements of young Colorado pikeminnow and razorback sucker in response to water flow and light level. Journal of Freshwater Ecology 15(4):525-535.
 

 U.S. Bureau of Reclamation. 2000. Implementation of reasonable and prudent alternative and measure biological and conference opinion on lower Colorado River operations and maintenance, 2000 annual report. 
 

 U.S. Bureau of Reclamation. 2000. Fish and Wildlife program analysis. 
 

 U.S. Bureau of Reclamation. 2000. Discretionary actions - RPA 13(b). 
 

 U.S. Bureau of Reclamation. 2000. Native Fish Protected Habitat Development Project - RPA 3. 
 

 U.S. Bureau of Reclamation. 2000. Environmental impact statement. Colorado River interim surplus criteria. Final. 
 

 U.S. Bureau of Reclamation. 2000. Environmental impact statement. Colorado River interim surplus criteria. Draft. 
 

 U.S. Department of Agriculture. 2000. Apache-Sitgreaves National Forest sensitive species list. U.S. Department of Agriculture.
 

 U.S. Department of Energy. 2000. Environmental assessment and finding of no significant impact: transfer of the Department of Energy Grand Junction Office to Non-DOE ownership. U.S. Department of Energy, Grand Junction, Colorado. 85 pages.
 

 U.S. Department of Energy. 2000. Environmental Assessment and Finding of No Significant Impact: Curecanti-Lost Canyon 230-kV Transmission Line Reroute Project, Montrose County, Colorado. U.S. Department of Energy, Western Area Power Administration. 146 pages.
 

 U.S. Environmental Protection Agency. 2000. National air quality and emissions trends report, 1998. U.S. Environmental Protection Agency, Office of Air Quality, Planning and Standards, Research Triangle Park, North Carolina. 146 pages.
 

 U.S. Fish and Wildlife Service. 2000. Radionuclides and trace elements in fish and wildlife of the Puerco and Little Colorado Rivers, Arizona. 
 

 U.S. Fish and Wildlife Service. 2000. Flaming Gorge Dam, Colorado River Storage Project, Utah. Federal Register 65(109):35957-35961.
 

 U.S. Fish and Wildlife Service. 2000. Endangered and threatened species permit applications. Federal Register 65(126):40120-40121.
 

 U.S. Fish and Wildlife Service. 2000. Multi-Species Conservation Program (MSCP) for the lower Colorado River, Arizona, Nevada, and California. Federal Register 65(134):43031-43034.
 

 U.S. Fish and Wildlife Service. 2000. Endangered species recovery permits and applications. Federal Register 65(14):3471-3472.
 

 U.S. Fish and Wildlife Service. 2000. Endangered and threatened species permit applications. Federal Register 65(151):48010.
 

 U.S. Fish and Wildlife Service. 2000. Endangered and threatened wildlife and plants: designation of critical habitat for the woundfin and Virgin River chub. Federal Register 65(17):4140-4156.
 

 U.S. Fish and Wildlife Service. 2000. Endangered and threatened species permit applications. Federal Register 65(182):56589-56590.
 

 U.S. Fish and Wildlife Service. 2000. Endangered and threatened species permit applications. Federal Register 65(215):66552-66553.
 

 U.S. Fish and Wildlife Service. 2000. Endangered and threatened species permit applications. Federal Register 65(62):16952-16953.
 

 U.S. Fish and Wildlife Service. 2000. Endangered species permit applications. Federal Register 65(74):20479-20480.
 

 U.S. Fish and Wildlife Service. 2000. Endangered and threatened wildlife and plants: final designation of critical habitat for the spikedace and the loach minnow; final rule. Federal Register 65(80):24327-24372.
 

 U.S. Fish and Wildlife Service. 2000. Endangered and threatened species permit applications. Federal Register 65(91):30126-30127.
 

 U.S. Fish and Wildlife Service. 2000. Endangered species permit applications. Federal Register 65(92):30426-30427.
 

 U.S. Fish and Wildlife Service. 2000. Ouray National Wildlife Refuge: comprehensive conservation plan. U.S. Fish and Wildlife Service, Comprehensive Conservation Plan.
 

 U.S. Fish and Wildlife Service. 2000. Revised base flow recommendations and preliminary guidance for future development of water resources in the Yampa River Basin. Draft memorandum. U.S. Fish and Wildlife Service, Region 6, Denver, Colorado.
 

 U.S. Fish and Wildlife Service. 2000. San Juan River Basin Recovery Implementation Program final annual budget and work plan, fiscal year 2001. U.S. Fish and Wildlife Service, Washington, D.C. 110 pages.
 

 U.S. Geological Survey. 2000. Department of the Interior science priorities. 
 

 U.S. Geological Survey. 2000. Water temperature data from the Green and Yampa Rivers. U.S. Geological Survey, Midcontinent Ecological Science Center, Fort Collins, Colorado.
 

 Upper Colorado River Basin Recovery Implementation Program. 2000. Fast facts. 
 

 Valdez, R.A. and R.J. Ryel. 2000. Summary of recovery goals for the four endangered fishes of the Colorado River basin. SWCA, Inc., Logan, Utah.
 

 Wesp, H.M. and A.C. Gibb. 2000. Escape response performance in the larval razorback sucker, Xyrauchen texanus. American Zoology 40(6):1255-1256.
 

 Wydoski, R.S and E.J. Wick. 2000. Flooding and aquatic ecosystems. Pages 238-268 in E.E. Wohl, ed. Inland Flood Hazards: Human, Riparian and Aquatic Communities. Cambridge University Press, Cambridge, Massachusetts.
 

 Yanga, R., C. Braunera, V. Thurstonb, J. Neumanb and D.J. Randall. 2000. Relationship between toxicant transfer kinetic processes and fish oxygen consumption. Aquatic Toxicology 48(2-3):95-108.
 

 Aluko, P.O., J.I. Awopetu and A.O. Adeola. 2001. Genetic basis of pectoral fin deformities in the African catfish Clarias gariepinus (Burchell, 1822), Heterobranchus longifilis (Valenciennes 1840) and their hybrids. Aquaculture Research 32(1):21-27.
 

 American Fisheries Society. 2001. Better fishing through management: how rotenone is used to help manage our fishery resources more effectively. American Fisheries Society Fish Management Chemicals Subcommittee Task Force on Fishery Chemicals. 8 pages.
 

 Anderson, R. and G. Stewart. 2001. Riverine fish flows investigations, Federal Aid Project F-289-R4. Colorado Division of Wildlife, Fort Collins. 83 pages.
 

 Arizona Game and Fish Department. 2001. Catostomus latipinnis. Unpublished abstract compiled and edited by the Heritage Data Management System, Arizona Game and Fish Department, Phoenix. 6 pages.
 

 Arizona Game and Fish Department. 2001. Gila cypha. Unpublished abstract compiled and edited by the Heritage Data Management System, Arizona Game and Fish Department, Phoenix. 7 pages.
 

 Beauvais, S.L., S.B. Jones, J.T. Parris, S.K. Brewer and E.E. Little. 2001. Cholinergic and behavioral neurotoxicity of carbaryl and cadmium to larval rainbow trout (Oncorhynchus mykiss). Ecotoxicology and Environmental Safety.
 

 Beyers, D.W. and C. Sodergren. 2001. Assessment of exposure of larval razorback sucker to selenium in natural waters and evalutaion of laboratory-based predictions. Colorado State University Larval Fish Laboratory, Fort Collins. 43 pages.
 

 Beyers, D.W. and C. Sodergren. 2001. Evaluation of interspecific sensitivity to selenium exposure: larval razorback sucker versus flannelmouth sucker. Colorado State University, Fort Collins. 50 pages.
 

 Beyers, D.W. and M.S. Farmer. 2001. Effects of copper on olfaction of Colorado pikeminnow. Environmental Toxicology and Chemistry 20(4): 907-912.
 

 Beyers, D.W., C. Sodergren, J.M. Bundy and K.R. Bestegen. 2001. Habitat use and movement of bluehead sucker, flannelmouth sucker, and roundtail chub in the Colorado River. Larval Fish Laboratory Contribution #121. Colorado State University, Fort Collins, Colorado. 32 pages.
 

 Bowen, Z.H., K.D. Bovee, T.J. Waddle, T. Modde and C. Kitcheyan. 2001. Habitat measurement and modeling in the Green and Yampa Rivers project report. Project report to natural resource preservation program December 2001. U.S. Geological Survey, Fort Collins, Colorado. 181 pages.
 

 Brandenburg, W.H., M.A. Farrington, and S.J. Gottlieb. 2001. Razorback sucker larval fish survey: San Juan River 2000. River 1998 and 1999. River 1998 and 1999. Division of Fishes, Museum of Southwestern Biology, University of New Mexico, Albuquerque. 34 pages.
 

 Brewer, D.T., S.J.M. Blabera, G. Frya, G.S. Mertab and D. Efizon. 2001. Sawdust ingestion by the tropical shad (Tenualosa macrura, Teleostei: Clupeidae): implications for conservation and fisheries. Biological Conservation 97(2):239-249. Biological Conservation Volume 97, Issue 2 , February 2001, Pages 239-249
 

 Brooks, G.B. 2001. Growout of the bonytail chub (Gila elegans) utilizing a commercial aquaculture facility of the Gila River Indian Reservation as an interim conservation measure. American Fisheries Society Annual Meeting 131:30.
 

 Bundy, J.M. and K.R. Bestgen. 2001. Evaluation of the interagency standardized monitoring program sampling technique in backwaters of the Colorado River in the Grand Valley, Colorado. Colorado State University Larval Fish Laboratory, Fort Collins. 83 pages.
 

 Bundy, J.M. and K.R. Bestgen. 2001. Confirmation of daily increment deposition in otoliths of young razorback suckers. Southwestern Naturalist 46(1):34-40.
 

 Burdick, B.D. 2001. Five-year evaluation of fish passage at the Redlands Diversion Dam on the Gunnison River near Grand Junction, Colorado, 1996-2000. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction, Colorado.
 

 Burdick, B.D. 2001. Annual operation and maintenance of the fish passage structure at the Redlands Diversion Dam on the Gunnison River. Annual report. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Carpenter, M.C., B.L. Cluer, G.R. Smith, E.J. Wick, J.L. Lockett, Jr. and S.J. Brockner. 2001. Field trials monitoring sand deposition and erosion on a razorback sucker spawning bar on the Green River near Jenson, Utah, and operational description of load-cell scour sensors. Pages 12-15 in Seventh Federal Interagency Sedimentation Conference, Proceedings, March 25-29, 2001, Reno, Nevada.
 

 Coggins, L. and C. Walters. 2001. Trends in abundance, recruitment, and mortality of humpback chub (Gila cypha) in the Little Colorado River. American Fisheries Society Annual Meeting 131:152.
 

 Coggins, L.G., Jr. and D.R. Van Haverbeke. 2001. Fisheries monitoring activities in the Little Colorado River within Grand Canyon during 2000. U.S. Fish and Wildlife Service, Flagstaff, Arizona. 109 pages.
 

 Cohn, J.P. 2001. Resurrecting the dammed: a look at Colorado River restoration. Bioscience 51(12):998-1003.
 

 Collins, K.P. and D.K. Shiozawa. 2001. Exclusion experiments with backwater invertebrate communities of the Green River, Utah. Western North American Naturalist 61(2):149-158.
 

 Colorado Division of Wildlife. 2001. Stocking plan for the endangered Colorado River fish species in Colorado. Colorado Division of Wildlife, Aquatic Wildlife Section, Denver.
 

 Desert Fishes Council. 2001. Proceedings of the Desert Fishes Council Volume XXXII Annual Symposium. Desert Fishes Council, Bishop, California. 82 pages.
 

 Douglas, M.E., M.R. Douglas, J.M. Lynch and D.M. McElroy. 2001. Use of geometric morphometrics to differentiate Gila (Cyprinidae) within the upper Colorado River basin. Copeia (2):389-400.
 

 Douglas, M.R., P.C. Brunner and M.E. Douglas. 2001. Phylogeography of Catostomus latipinnis (flannelmouth sucker) in the Colorado River Basin of western North America in the Colorado River Basin of Western North America. Arizona Game and Fish Department, Heritage Grant # I97021. 18 pages.
 

 Farmer, M.C. 2001. Getting the safe minimum standard to work in the real world: a case study in moral pragmatism. Ecological Economics 38(2):209-226.
 

 Fey, D.P. 2001. Differences in temperature conditions and somatic growth rate of larval and early juvenile spring-spawned herring from… Journal of Fish Biology.
 

 Figiel, Jr., C.R., M. Jackson and M.E. Ulibarri. 2001. Effects of feed and density on the growth of bonytail. Briefing Paper: U.S. Fish and Wildlife Service, Region 2.
 

 Figiel, Jr., C.R., M.E. Ulibarri, M. Jackson, G. Carmichael, J. Seals and J. Hanson. 2001. Willow Beach National Fish Hatchery in on the act: recirculated, solar heated water used to grow endangered fish species. Hatchery International 2:18-21.
 

 Gadomski, D.M., C.A. Barfoot, J.M. Bayer and T.P. Poe. 2001. Early life history of the northern pikeminnow in the lower Columbia River basin. Transactions of the American Fisheries Society 130(2):250-262.
 

 Gerber, A.S., C.A. Tibbets and T.E. Dowling. 2001. Role of introgressive hybridization in the evolution of the Gila robusta complex (Teleostei: Cyprinidae). Evolution 55(10):2028-2039.
 

 Golden, M.E. and P.B. Holden. 2001. Comparison of water quality, zooplankton density, and cover in razorback sucker (Xyrauchen texanus [Abbott]) spawning areas of Lake Mead and Lake Mohave: 2002 annual report. PR 749-2. BIO/WEST, Inc., Logan, Utah.
 

 Gorman, O.T. and R. VanHoosen. 2001. Growth of four native Colorado fishes at 12°, 18°, and 24°. American Fisheries Society Annual Meeting 131:164-165.
 

 Hamilton, S.J. and V.P. Palace. 2001. Assessment of selenium effects in lotic ecosystems. Commentary. Ecotoxicology and Environmental Safety 50(3):161-166.
 

 Hansen, J.V. 2001. Endangered economies. FORUM for Applied Research and Public Policy:45-51.
 

 Hanski, I. 2001. An Australian perspective on population viability in fragmented landscapes. Evolution 55(12):2623-2626.
 

 Hawkins, J.A. and J. O’Brien. 2001. Research plan for developing flow recommendations in the Little Snake River, Colorado and Wyoming, for endangered fishes of the Colorado River Basin. Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 Hoffnagle, T.L. and M.A. Tuegel. 2001. Diet preference and overlap among larval and juvenile native and non native fishes in backwaters of the Colorado River in Grand Canyon. American Fisheries Society Annual Meeting 131:165-166.
 

 Hoffnagle, T.L., A. Choudhury and R.A. Cole. 2001. Health and parasites of the endangered humpback chub Gila cypha in the Lower Little Colorado River and Colorado River, Grand Canyon, Arizona. American Fisheries Society Annual Meeting 131:177-178.
 

 Holden, P.B., P.D. Abate and T.L. Welker. 2001. Razorback sucker studies on Lake Mead, Nevada, 2000-2001. Annual report. BIO/WEST, Inc., Logan, Utah.
 

 Hydrosphere Resource Consultants. 2001. Gunnison River/Aspinall Unit temperature study - Phase I. Executive summary. USBR contract # 01-FC-40-5340. Upper Colorado River Endangered Fish Recovery Program. 4 pages.
 

 Lamb, B.L., N. Burkardt and J.G. Taylor. 2001. Importance of defining technical issues in inter-agency environmental negotiations. Public Works Management and Policy 5(3):220-232.
 

 Marsh, P.C. and C.A. Pacey 2001. Colorado River fishes database management, Lake Mohave wild adult and repatriate razorback sucker population status assessment 2001. Report agreement 99-FG-30-0067 and 01-FG-30-0003. U.S. Bureau of Reclamation, Boulder City, Nevada, and Arizona State University, Tempe. 15 pages.
 

 Marsh, P.C., C.A. Pacey and G. Mueller. 2001. Bibliography for the big river fishes, Colorado River. Final report, task agreement 1, cooperative agreement 00CRAG0004. U.S. Geological Survey, Denver, Colorado and Arizona State University, Tempe. 1515 KB (compact disc).
 

 Marsh, P.C., R.W. Clarkson and S.E. Stefferud. 2001. Native fish conservation and the Central Arizona Project. Proceedings of the Desert Fishes Council 32:15-16.
 

 Martinez, P.J., B.M. Johnson and J. Hobgood. 2001. Stable isotope signatures of native and non-native fishes in upper Colorado River backwaters and ponds. Southwestern Naturalist 46:311-322.
 

 Martinez, P.J., B.M. Johnson and J.D. Hobgood. 2001. Stable isotope signatures of native and nonnative fishes in upper Colorado River backwaters and ponds. Southwestern Naturalist 46: 311-322.
 

 McKinney, T., A.T. Robinson, D.W. Speas and R.S. Rogers. 2001. Health assessment, associated metrics, and nematode parasitism of rainbow trout in the Colorado River below Glen Canyon Dam, Arizona. North American Journal of Fisheries Management 21:62-69.
 

 Minckley, C.O. 2001. Memorandum: Second annual razorback roundup on Lake Havasu. U.S. Fish and Wildlife, Arizona Fishery Resources Office, Parker, Arizona. 1 page.
 

 Modde, T., R.T. Muth and G.B. Haines. 2001. Floodplain wetland suitability, access, and potential use by juvenile razorback suckers in the Middle Green River, Utah. Transactions of the American Fisheries Society 130(6):1095-1105.
 

 Mueller, G., P.C. Marsh, G.W. Knowles and T. Wolters. 2001. Distribution, movements, and habitat use of razorback suckers in Lake Mohave, Arizona-Nevada. Proceedings of the Desert Fishes Council 32:10.
 

 Mueller, G.A. 2001. Fish surveys from Davis Dam to Lake Havasu, August 2000 to May 2001. Annual report. U.S. Geological Survey, Fort Collins, Colorado. 17 pages.
 

 Mueller, G.A., M. Horn, Q. Bradwisch and L. Boobar. 2001. Examination of native recruitment and description of the fish communities found in the San Juan and Colorado River interface zones of Lake Powell, Utah. Open-file report 01-159. U.S. Geological Survey, Fort Collins, Colorado. 159 pages.
 

 National Park Service. 2001. Workshop on population estimates for Colorado pikeminnow and humpback chub. National Park Service, Fort Collins, Colorado.
 

 No author. 2001. Elkhead Dam/reservoir fish separation preliminary design report. Draft. City of Craig, Craig, Colorado. 33 pages.
 

 Osmundson, D.B. 2001. Flow regimes for restoration and maintenance of sufficient habitat to recover endangered razorback sucker and Colorado pikeminnow in the upper Colorado River. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 63 pages.
 

 Pyle, G.G., S.M. Swansonb and D.M. Lehmkuhl. 2001. Toxicity of uranium mine-receiving waters to caged fathead minnows, Pimephales promelas. Ecotoxicology and Environmental Safety 48(2):202-214.
 

 Robinson, A.T. and M.R. Childs. 2001. Juvenile growth of native fishes in the Little Colorado River and in a thermally modified portion of the Colorado River. North American Journal of Fisheries Management 21:809-815.
 

 Ryden, D.W. 2001. Long-term monitoring of sub-adult and adult large bodied fishes in the San Juan River, 2000. Interim progress report (Final). U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 127 pages + appendices.
 

 Ryden, D.W. 2001. Monitoring of razorback sucker stocked into the San Juan River as part of a five-year augmentation effort: 2000 Interim progress report (final). U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 71 pages + appendix.
 

 Sappington, L.C., F.L. Mayer, F.J. Dwyer, D.R. Buckler, J.R. Jones and M.R. Ellersieck. 2001. Contaminant sensitivity of threatened and endangered fishes compared to standard surrogate species. Environmental Toxicology and Chemistry 20(12):2869-2876.
 

 Schler, P.J. 2001. Colorado pikeminnow culture manual. Colorado Division of Wildlife Colorado, Department of Natural Resources. 15 pages.
 

 Shannon, J.P.  2001. Factors affecting the aquatic community in the Colorado River through Grand Canyon, Arizona. Doctoral dissertation, Northern Arizona University.
 

 Snyder, D.E. 2001. Computer-interactive key to sucker larvae and early juveniles of the Upper Colorado River Basin: rearing of and descriptive species account for longnose sucker. Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Springer, C. 2001. Federal hatchery develops technology for imperiled bonytail chub. American Currents 27(4):17-18.
 

 Stalnaker, C.  2001. Studies of ecological requirements and role of stocking augmentation for endangered razorback sucker and bonytail in the lower Colorado River basin. 
 

 Stefferud, S.E., P.C. Marsh and R.W. Clarkson. 2001. Managing nonnative aquatic species impacts: implementation of the 1994 Central Arizona Project biological opinion. Proceedings of the Desert Fishes Council 32:2-3.
 

 Stevens, J.A. and W.H. Benson. 2001. Toxicokinetic interactions and survival of Hyalella azteca exposed to binary mixtures of chlorpyrifos, dieldrin, and methyl mercury. Aquatic Toxicology 51(4):377-388.
 

 Stone, D.M. and O.T. Gorman. 2001. Diel locomotor activity patterns across a native fish assemblage in the Little Colorado River, Arizona. American Fisheries Society Annual Meeting 131:153-154.
 

 Thieme, M.L., C.C. McIvor, M.J. Brouder and T.L. Hoffnagle. 2001. Effects of pool formation and flash flooding on relative abundance of young-of-year flannelmouth suckers in the Paria River, Arizona. Regulated Rivers Research and Management 17(2):145-156.
 

 Tuttle, P.L. and Orsak, E.L. 2001. Las Vegas Wash Water Quality and Implications to Fish and Wildlife. U.S. Fish and Wildlife Service, Nevada.
 

 Tyus, H.M. 2001. Decline, present status, and constraints limiting Colorado pikeminnow recovery. American Fisheries Society Annual Meeting 131:135.
 

 Tyus, H.M. and J.F. Saunders, III. 2001. An evaluation of the role of tributary streams for recovery of endangered fishes in the upper Colorado River Basin with recommendations for future recovery actions. Final Report. Project Number 101. University of Colorado at Boulder, Boulder. 121 pages.
 

 U.S. Bureau of Reclamation. 2001. Record of decision. Colorado River interim surplus guidelines. Final enviromental impact statement. 
 

 U.S. Bureau of Reclamation. 2001. Colorado River interim surplus guidelines. Federal Register 66(17):7772-7782.
 

 U.S. Environmental Protection Agency. 2001. Office of Pesticide Programs. Annual report 2000. U.S. Environmental Protection Agency, Office of Prevention, Pesticides and Toxic Substances, Washington, D.C. 78 pages.
 

 U.S. Environmental Protection Agency. 2001. Update of ambient water quality criteria for cadmium, 2001. CAS registry number 7440-43-9. U.S. Environmental Protection Agency, Office of Water, Office of Science Technology, Washington, D.C. 268 pages.
 

 U.S. Fish and Wildlife Service. 2001. Technical publications of the U.S. Fish and Wildlife Service Fish Technology Centers 1966–December 2000. 
 

 U.S. Geological Survey. 2001. Habitat measurement and modeling in the Green and Yampa Rivers - channel models. U.S. Geological Survey, Midcontinent Ecological Science Center, Fort Collins, Colorado.
 

 U.S. Geological Survey. 2001. Habitat measurement and modeling in the Green and Yampa Rivers - razorback sucker locations. U.S. Geological Survey, Midcontinent Ecological Science Center, Fort Collins, Colorado.
 

 Utah Department of Natural Resources. 2001. Species on the edge: quality management is quality growth. Utah Department of Natural Resources. 31 pages.
 

 Valdez, R.A. and R.T. Muth. 2001. Upper Colorado River endangered fish recovery program. American Fisheries Society Annual Meeting 131:43.
 

 Valdez, R.A., T.L. Hoffnagle, C.D. McIvor, T. McKinney and W.C. Liebfried. 2001. Effects of a test flood on fishes of the Colorado River in Grand Canyon, Arizona. Ecological Applications 11:686-700.
 

 VanHaverbeke, D.R. 2001. Using minimum effective population sizes for recovery: a case example using the humpback chub (Gila cypha). American Fisheries Society Annual Meeting 131:134.
 

 Ward, D.L. 2001. Effects of reduced water temperature on swimming performance and predation vulnerability of age-0 flannelmouth sucker (Catostomus latipinnis). Master's thesis, University of Arizona, Tucson. 95 pages.
 

 Webb, R.H.  2001. Colorado River: an overview of historical changes in riverine and aquatic habitat. American Fisheries Society Annual Meeting 131:131-132.
 

 Zagarese, H.E. and C.E. Williamson. 2001. Implications of solar UV radiation exposure for fish and fisheries. Fish and Fisheries 2(3):250-260.
 

 Zhao, Y., Y. Chen and J.A. Brown. 2001. Impacts of egg and larval size on survival and growth of Atlantic cod under different feeding conditions. Journal of Fish Biology.
 

 Abate, P.D., T.L. Welker and P.B. Holden. 2002. Razorback sucker studies on Lake Mead, Nevada, 2001-2002. Annual report. BIO/WEST, Inc., Logan, Utah.
 

 Anderson, R. and G. Stewart. 2002. Riverine fish flow investigations. Determination of relationships between flow and habitat availability for certain Colorado basin warm-water fish. Colorado Division of Wildlife, Fort Collins. 92 pages.
 

 Archer, E.K. 2002. Effects of food availability and competition on age-0 Colorado pikeminnows growth and lipid stores in the San Juan (Ptychochelius lucius). Master's thesis, Utah State University. 69 pages.
 

 Arizona Game and Fish Department. 2002. Ptychocheilus lucius. Unpublished abstract compiled and edited by the Heritage Data Management System, Arizona Game and Fish Department, Phoenix. 9 pages.
 

 Armstrong, T.N., R. Reimschuessel and B.P. Bradley. 2002. DNA damage, histologial changes and DNA repair in larval Japanese medaka (Oryzias latipes) exposed to ultraviolet-B radiation. Aquatic Toxicology 58(1-2):1-14.
 

 Benenati, E.P., J.P. Shannon, A. Haden, K. Straka and D.W. Blinn. 2002. Attempts for ecological restoration with artificial hydrology in the Colorado River below Glen Canyon Dam. Ecological Society of America Annual Meeting Abstracts 87:74.
 

 Bestgen, K.R., G.B. Haines, R. Brunson, T. Chart, M. Trammell, R.T. Muth, G. Birchell, K. Christopherson and J.M. Bundy. 2002. Status of wild razorback sucker in the Green River basin, Utah and Colorado, determined from basinwide monitoring and other sampling programs. Final report. Colorado State University, U.S. Fish and Wildlife, Utah Division of Wildlife Resources, U.S. Bureau of Reclamation and SWCA, Inc. 73 pages.
 

 Beyers, D.W. and C. Sodergren. 2002. Assessment of exposure of larval razorback sucker to selenium in natural waters. Archives of Environmental Contamination and Toxicology 42(1):53-59.
 

 Bezzerides, N. and K. Bestgen. 2002. Status review of roundtail chub, Gila robusta, flannelmouth sucker, Catostomus latipinnis, and bluehead sucker, Catostomus discobolus, in the Colorado River basin. Colorado State University, Fort Collins. 139 pages.
 

 Birchell, G.J., K.Christopherson, C. Crosby, T.A. Crowl, J. Gourley, M. Townsend, S. Goeking, T. Modde, M. Fueller and P. Nelson. 2002. Levee removal project: assessment of floodplain habitat restoration in the Middle Green River. Final report. Upper Colorado River Endangered Fish Recovery Program Project CAP-6-LR. Utah Division of Wildlife Resources, Salt Lake City. 257 pages + appendices.
 

 Brandenburg, W.H., M.A. Farrington, and S.J. Gottlieb. 2002. Razorback sucker larval fish survey: San Juan River 2001. River 1998 and 1999. River 1998 and 1999. Division of Fishes, Museum of Southwestern Biology, University of New Mexico, Albuquerque. 34 pages.
 

 Burdick, B.D. 2002. Annual operation and maintenance of the fish passage structure at the Redlands Diversion Dam on the Gunnison River. Annual report. Project Number CAP-4b. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Burdick, B.D. 2002. Evaluating the use of sloped gravel-pit ponds by endangered and native fishes and removal on nonnative fishes from sloped gravel-pit ponds in in the upper Colorado River near Grand Junction, Colorado. Final report. Project number CAP-6-GP. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Carpenter, M.C., G.R. Smith, E.J. Wick, and Wullschleger. 2002. Deposition and erosion on razorback sucker spawning bar on the Green River near Jensen, Utah. Upper Colorado River Endangered Fish 23rd Annual Recovery Program Researchers Meeting, January 16-17, 2002. Pages. 6-7.
 

 Cizdziel, J.V., T.A. Hinners, J.E. Pollard, E.M. Heithmar and C.L. Cross. 2002. Mercury concentrations in fish from Lake Mead, USA, related to fish size, condition, trophic level, location, and consumption risk. Archives of Environmental Contamination and Toxicology 43(3):309 - 317.
 

 Coggins, L., C. Walters and R.S. Rogers. 2002. Fish community in Grand Canyon: past, present, and future? Ecological Society of America Annual Meeting Abstracts 87:101.
 

 Cole, R.A. 2002. What are parasitologists doing in the United States Geological Survey? Comparative Parasitology 69(2):132-134.
 

 Collins, J.P., J. Deacon, T. Dowling and P. Marsh. 2002. Wendell Lee Minckley 1935-2001. Copeia 002(1):258-262.
 

 Czapla, T.E. 2002. Facilities plan for the production of endangered fishes to meet state stocking plans as part of the Upper Colorado River Endangered Fish Recovery Program. Upper Colorado River Basin Recovery Implementation Program, United States Department of Interior, Fish and Wildlife Service, Region 6, Denver, Colorado. 14 pages.
 

 Davis, M. 2002. Habitat use by razorback suckers in the Colorado River: the implacts of pseudoreplication. Arizona Game and Fish Department, Phoenix. 15 pages.
 

 Desert Fishes Council. 2002. Proceedings of the Desert Fishes Council Volume XXXIII Annual Symposium. Desert Fishes Council, Bishop, California. 72 pages.
 

 Dexter National Fish Hatchery. 2002. Dexter NFH stocking trip record 02-06. Dexter National Fish Hatchery.
 

 Douglas, M.R. and M.E. Douglas. 2002. Little Colorado River sucker: description and comparison. Final report. Heritage Project: I-98-010. Arizona Game and Fish Heritage Fund, Phoenix. 13 pages.
 

 Fairchild, J.F., A.L. Allert, B.C. Poulton and R.V. Graham. 2002. Site specific assessment of the risk of ammonia to endangered Colorado pikeminnow and razorback sucker populations in the upper Colorado River adjacent to the Atlas Mill Tailings Pile, Moab, Utah. U.S. Fish and Wildlife Service, Salt Lake City, Utah. 131 pages.
 

 Fairchild, J.F., A.L. Allert, B.C. Poulton and R.V. Graham. 2002. Site-specific assessment of the risk of ammonia to endangered Colorado pikeminnow and razorback sucker populations in the upper Colorado River adjacent to the Atlas Mill tailings pile, Moab, Utah. Final report. U.S. Geological Survey, Columbia Environmental Research Center, Columbia, Missouri, and U.S. Environmental Protection Agency, Region 8, Denver, Colorado. 125 pages.
 

 Farrington, M.A., W.H. Brandenburg and S.J. Gottlieb. 2002. Colorado pikeminnow larval fish survey in the San Juan River during 2002. Draft report. Division of Fishes, Museum of Southwestern Biology, Department of Biology, University of New Mexico, Albuquerque. 33 pages.
 

 Garrigan, D., P.C. Marsh and T.E. Dowling. 2002. Long-term effective population size of three endangered Colorado River fishes. Animal Conservation 5:95-102.
 

 Golden, M.E. and P.B. Holden. 2002. Comparison of water quality, zooplankton density, and cover in razorback sucker (Xyrauchen texanus [Abbott]) spawning areas of Lake Meah and Lake Mohave: 2002 annual report. PR 784-1. BIO/WEST, Inc., Logan, Utah.
 

 Grand Canyon Monitoring and Research Center. 2002. Experimental flow treatments and mechanicl removal activities for WY 2002-2003. Draft science plan. U.S. Geological Survey, Flagstaff, Arizona.
 

 Gregory, S., H. Li and J. Li. 2002. Conceptual basis for ecological responses to dam removal. Bioscience 52(8):713-723.
 

 Haines, B. and T. Modde. 2002. Humpback chub monitoring in Yampa Canyon, 1998-2000. Final report. U.S. Fish and Wildlife Service, Colorado Fish Project, Vernal, Utah. 35 pages.
 

 Hamilton, S.J. 2002. Rationale for a tissue-based selenium criterion for aquatic life. Aquatic Toxicology 57(1-2):85-100.
 

 Hamilton, S.J., K.M. Holley and K.J. Buhl. 2002. Hazard assessment of selenium to endangered razorback suckers (Xyrauchen texanus). Science of the Total Environment 291(1-3):111-121.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl, F.A. Bullard, L.K. Weston and S.F. McDonald. 2002. Toxicity of selenium and other elements in food organisms to razorback sucker larvae. Aquatic Toxicology 59(3-4):253-281.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl, F.A. Bullard, L.K. Weston and S.F. McDonald. 2002. Impact of selenium and other trace elements on the endangered adult razorback sucker. Impact of selenium and other trace elements on the endangered adult razorback sucker. Environmental Toxicology 17(4):297-323.
 

 Hamman, R.L. 2002. Colorado pikeminnow fingerling production San Juan River FY 2002. SOW Completion report. Dexter National Fish Hatchery and Technology Center, Dexter, New Mexico. 2 pages.
 

 Harris, P.M., R.L. Mayden, H.S.E. Perez and F.G. De Leon. 2002. Phylogenetic relationships of Moxostoma and Scartomyzon (Catostomidae) based on mitochondrial cytochrome b sequence data. Journal of Fish Biology 61(6):1433-1452.
 

 Hydrosphere Resource Consultants. 2002. Gunnison River/Aspinall Unit temperature study - Phase I. Final report. USBR contract # 01-FC-40-5340. Upper Colorado River Endangered Fish Recovery Program. 62 pages.
 

 Jackson, J.A. and Paul V. Badame. 2002. Centrarchid and channel catfish control in the Middle and Lower Green River; 1997 and 1998. Utah Division of Wildlife Resources, Moab Field Station, Moab. 45 pages.
 

 Karp, C.A. and G. Mueller. 2002. Razorback sucker movements and habitat use in the San Juan River inflow, Lake Powell, Utah, 1995-1997. Western North American Naturalist 62(1):106-111.
 

 Lenon, N., K. Stave, T. Burke and J. Deacon. 2002. Bonytail (Gila elegans) may enhance survival of razorback suckers (Xyrauchen texanus) in rearing ponds by preying on exotic crayfish. Journal of the Arizona-Nevada Academy of Sciences 34(1)46-52.
 

 McAda, C.W. 2002. Subadult and adult pikeminnow monitoring; summary of results, 1986 – 2000. Recovery Program Project Number 22, final report. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 25 pages + appendices.
 

 McAda, C.W. 2002. Subadult and adult Colorado pikeminnow monitoring; summary of results, 1986-2000. U.S. Fish and Wildlife Service, Grand Junction, Colorado. A-35 pages.
 

 McAda, C.W. 2002. Population size and structure of humpback chub in Black Rocks, 1998-2000. U.S. Fish and Wildlife Service, Grand Junction, Colorado. i-A1 pages.
 

 Meismer, S. and M. Trammell. 2002. Nonnative cyprinid removal in the lower Green and Colorado rivers, Utah. Draft report. Utah Division of Wildlife, Moab.
 

 Melis, T.S., R.H. Webb and P.G. Griffiths. 2002. Grand Canyon debris flows: Implications for aquatic habitat structure and availability below Glen Canyon Dam? Ecological Society of America Annual Meeting Abstracts 87:210.
 

 Minckley, C.O. and M. Thorson. 2002. Interim report for bonytail broodstock collections from Lake Mohave, AZ-NV. Document no. USFWS-AZFRO-PA-02-002. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona. 16 pages.
 

 Minckley, C.O. and M. Thorson. 2002. Trip report: third annual native fish roundup on Lake Havasu CA-NV, 18 - 22 February 2002. Document no. USFWS-AZFRO-PA-02-005. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona. 3 pages.
 

 Minckley, C.O. and M. Thorson. 2002. Parker Fisheries Resources Office activities during the razorback roundup, March 2002, Lake Mohave, AZ-NV. Document no. USFWS-AZFRO-PA-02-006. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona. 5 pages.
 

 Mitchell, R.M., R.L. Johnson and G.L. Harp. 2002. Population structure of an endemic species of yellowcheek darter, Etheostoma moorei (Raney and Suttkus), of the upper Little Red River, Arkansas. American Midland Naturalist 148(1):129-137.
 

 Modde, T. and M.F. Fuller. 2002. Chapter 8: native fishes. Pages 8.1-8.35 in The Levee Removal Project: Assessment of floodplain habitat restoration in the middle Green River. Final report. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Morizot, D.C., J.H. Williamson and G.J. Carmichael. 2002. Biochemical genetics of Colorado pikeminnow. North American Journal of Fisheries Management 22:66-76.
 

 Mueller, G. and P. Marsh. 2002. Lost, a desert river and its native fishes: a historical perspective of the lower Colorado River. Proceedings of the Desert Fishes Council 33:40-41.
 

 Mueller, G.A. and P.C. Marsh. 2002. Lost, a desert river and its native fishes: a historical perspective of the lower Colorado River. Information and Technology report USGS-BRD/ITR-2002-0010. U.S. Government Printing Office, Denver, Colorado. 69 pages.
 

 Mueller, G.A., J. Carpenter and C.O. Minckley. 2002. Cibola High Levee Pond annual report 2002. U.S. Geological Survey, Fort Collins Science Center, Colorado. 18 pages.
 

 National Park Service. 2002. Special regulations; areas of the national park system. Federal Register 67(172):56785-56794.
 

 Nesler, T.P. 2002. Interactions between endangered fishes and introduced game fishes in the Yampa River, Colorado 1987-1991. Final report. Project number 91-29. Colorado Division of Wildlife, Aquatic Research Section, Fort Collins. 53 pages.
 

 Osmundson, D.B. 2002. Population dynamics of the Colorado pikeminnow in the upper Colorado River. Final report. Project number 22-A. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Osmundson, D.B. 2002. Verification of stocked razorback sucker reproduction in the Gunnison River via annual collections of larvae. Annual report. Project Number 121. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Osmundson, D.B. 2002. Dynamics of the upper Colorado River population of Colorado pikeminnow. Draft final report. Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 Osmundson, D.B., R.J. Ryel, V.L. Lamarra and J. Pitlick. 2002. Flow-sediment-biota relations: implications for river regulation effects on native fish abundance. Ecological Applications 12(6):1719-1739.
 

 Persons, W. 2002. Little Colorado River fish monitoring, 2002 annual report. Submitted to Grand Canyon Monitoring and Research Center. Cooperative agreement 02WRAG0030. Grand Canyon Monitoring and Research Center, Flagstaff, Arizona.
 

 Persons, W.R., D.W. Speas, T. McKinney and L.M. Riley. 2002. Balancing conservation of native fishes and a recreational trout fishery: is it possible under an adaptive management program? Ecological Society of America Annual Meeting Abstracts 87:234.
 

 Porter, M.E. and M.J.C. Kearsley. 2002. Near shore vegetation responses to two flow regimes on the Colorado River in Grand Canyon, National Park. Ecological Society of America Annual Meeting Abstracts 87:238.
 

 Powell, K. 2002. Open the floodgates. Nature 420:356-358.
 

 Ryden, D.W. and J.R. Smith. 2002. Colorado pikeminnow with a channel catfish lodged in its throat in the San Juan River, Utah. The Southwest Naturalist 47:92-94.
 

 SAIC/Jones & Stokes. 2002. Conservation plan for the lower Colorado River Multi-Species Conservation Program. (JS 00-450). Second administrative draft. SAIC/Jones & Stokes, Sacramento, California.
 

 Salzburger, W., S. Baric and C. Sturmbauer. 2002. Speciation via introgressive hybridization in East African cichlids? Molecular Ecology 11(3):619-625.
 

 Scheerer, P.D. 2002. Implications of floodplain isolation and connectivity on the conservation of an endangered minnow, Oregon chub, in the Willamette River, Oregon. Transactions of the American Fisheries Society 131(6):1070-1080.
 

 Schierenbeck, K.A. 2002. Four stars for a book on fragmented populations. Conservation Biology 16(1):274-275.
 

 Slaughter IV, J.E., S.D. Gurtin, J.A. Falke, S.J. Sampson and R.H. Bradford. 2002. Habitat selection and use by hatchery-reared adult razorback sucker and flathead catfish and the response of razorback sucker to off-channel habitat restoration activities within the Imperial Division, Lower Colorado River. Arizona Game and Fish Department, Research Branch, Phoenix, Arizona.
 

 Smith, G.E., T.E. Dowling, K.W. Gobalet, T. Lugaski, D.K. Shiozawa and R.P. Evans. 2002. Biogeography and rates of evolution of Great Basin fishes. Pages 175-234 in R. Hershler, D.B. Madsden and D.R. Curry, eds. Great Basin Aquatic Systems History, Contributions to the Earth Sciences, number 33. Smithsonian Institution, Washington, D.C. Smithsonian.
 

 Stefferud, J.A., R. Bettaso, J. Voeltz, S. Gurtin, H. Blasius, S. Stefferud, P. Marsh and J. Sjoberg. 2002. Lower Colorado River area report. Proceedings of the Desert Fishes Council 33:56.58.
 

 SWCA, Inc. Environmental Consultants. 2002. Native fish monitoring activities in the Colorado River within Grand Canyon during 2001. Draft final report. Contract # 01WRAG0046. SWCA, Inc., Flagstaff, Arizona. 21 pages.
 

 Tomasini, J.A. and T. Laugier. 2002. Male reproductive strategy and reserve allocation in sand smelt from brackish lagoons of southern France. Journal of Fish Biology.
 

 Trammell, M.A., R. Valdez, H. Johnstone and L. Jonas. 2002. Non-native fish control in backwater habitats in the Colorado River. Final report. SWCA, Inc. Environmental Consultants, Flagstaff, Arizona.
 

 Turner, T.F. M.V. McPhee, D. Alò and W.H. Brandenburg. 2002. Determination of occurrence of hybridization of San Juan River razorback sucker through genetic screening of larval fishes. Draft report. Division of Fishes, Museum of Southwestern Biology, MSC 03-2020, University of New Mexico, Albuquerque. 19 pages.
 

 U.S. Bureau of Reclamation. 2002. Environmental impact statement Navajo Reservoir operations. Draft. 
 

 U.S. Bureau of Reclamation. 2002. Animas-La Plata Project. Ridges Basin Dam and Reservoir pre-construction facilities relocation. Finding of no significant impact. 
 

 U.S. Bureau of Reclamation. 2002. Animas-La Plata Project. Ridges Basin Dam and Reservoir pre-construction facilities relocation. 
 

 U.S. Bureau of Reclamation. 2002. Navajo Unit, Colorado River Storage Project, New Mexico and Colorado. Federal Register 67(171):56580-56582.
 

 U.S. Bureau of Reclamation. 2002. Imperial irrigation district water conservation and transfer project, draft habitat conservation plan, California [INT-DES-01-44], notice of public hearings. Federal Register 67(47):10928-10930.
 

 U.S. Bureau of Reclamation. 2002. Summer low flow test report. U.S. Bureau of Reclamation, upper Colorado region, Western Colorado Area Office, Grand Junction, Durango. 25 pages + attachments.
 

 U.S. Department of the Interior. 2002. Proposed experimental releases from Glen Canyon Dam and removal of non-native fish. 
 

 U.S. Environmental Protection Agency. 2002. Ecological risk assessment for the Middle Snake River, Idaho. U.S. Environmental Protection Agency, National Center for Environmental Assessment, Office of Research and Development, Washington, D.C. 380 pages.
 

 U.S. Environmental Protection Agency. 2002. Foundation for global action persistent organic pollutants: United States perspective. U.S. Environmental Protection Agency, Office of Research and Development, Washington, D.C. 172 pages.
 

 U.S. Environmental Protection Agency. 2002. Part H-I case study analysis for the proposed section 316(b) Phase 2 existing facilities rule, May 2002. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 220 pages.
 

 U.S. Environmental Protection Agency. 2002. Economic and environmental impact analysis of the proposed effluent limitations guidelines and standards for the concentrated aquatic animal production industry. U.S. Environmental Protection Agency. 314 pages.
 

 U.S. Fish and Wildlife Service  2002. Bonytail (Gila Elegans) recovery goals: amendment and supplement to the Bonytail Chub Recovery Plan. U.S. Fish and Wildlife Service. 94 pages.
 

 U.S. Fish and Wildlife Service. 2002. Endangered and threatened species permit applications. Federal Register 67(146):49368.
 

 U.S. Fish and Wildlife Service. 2002. Endangered and threatened wildlife and plants: listing the Gila chub as endangered with critical habitat; proposed rule. Federal Register 67(154):51947-51985.
 

 U.S. Fish and Wildlife Service. 2002. Notice of availability of recovery goals for four endangered fishes of the Colorado River basin. Federal Register 67(167):55270-55271.
 

 U.S. Fish and Wildlife Service. 2002. Endangered and threatened species permit applications. Federal Register 67(192):62074-62075.
 

 U.S. Fish and Wildlife Service. 2002. Endangered and threatened species permit applications. Federal Register 67(249):79130-79131.
 

 U.S. Fish and Wildlife Service. 2002. Endangered and threatened species permit applications. Federal Register 67(45):10429-10430.
 

 U.S. Fish and Wildlife Service. 2002. Endangered and threatened species permit applications. Federal Register 67(61):15222-15223.
 

 U.S. Fish and Wildlife Service. 2002. Endangered and threatened species permit applications. Federal Register 67(68):17088-17089.
 

 U.S. Fish and Wildlife Service. 2002. Endangered and threatened species permit applications. Federal Register 67(7):1365.
 

 U.S. Fish and Wildlife Service. 2002. Humpback chub (Gila cypha) recovery goals: ammendment and supplement to the humpback chub recovery plan. U.S. Fish and Wildlife Service, Mountain-Prairie Region (6), Denver, Colorado. 107 pages.
 

 U.S. Fish and Wildlife Service. 2002. Colorado pikeminnow (Ptychocheilus lucius) recovery goals: ammendment and supplement to the Colorado pikeminnow recovery plan. U.S. Fish and Wildlife Service, Mountain-Prairie Region (6), Denver, Colorado. 111 pages.
 

 U.S. Fish and Wildlife Service. 2002. Razorback sucker (Xyrauchen texanus) recovery goals: ammendment and supplement to the razorback sucker recovery plan. U.S. Fish and Wildlife Service, Mountain-Prairie Region (6), Denver, Colorado. 113 pages.
 

 U.S. Fish and Wildlife Service. 2002. Bonytail chub (Gila elegans) recovery goals: ammendment and supplement to the bonytail chub recovery plan. U.S. Fish and Wildlife Service, Mountain-Prairie Region (6), Denver, Colorado. 97 pages.
 

 U.S. Fish and Wildlife Service. 2002. Northeast region Native American tribes: a summary of activities. U.S. Fish and Wildlife Service. 4 pages.
 

 University of Arizona. 2002. Arizona state aquatic nuisance species management plan. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2002. Nonnative fish control workshop. Summary, conclusions, and recommendations. Upper Colorado River Endangered Fish Recovery Program, Lakewood, Colorado. 101 pages.
 

 Utah Department of Natural Resources. 2002. Conservation and management plan for three fish species in Utah. Addressing needs for roundtail chub (Gila robusta), bluehead sucker (Catostomus discobolus) and flannelmouth sucker (Catostomus latipinnis). Utah Department of Natural Resources, Division of Wildlife Resources, Native Aquatic Species Program. 57 pages.
 

 Utah Department of Natural Resources. 2002. Range-wide conservation agreement and strategy for roundtail chub Gila robusta, bluehead sucker Catostomus discobolus, and flannelmouth sucker. Draft #4. Utah Department of Natural Resources, Salt Lake City. 19 pages.
 

 Van Haverbeke, D.R. and L.G. Coggins, Jr. 2002. Stock assessment and fisheries monitoring activities in the Little Colorado River within Grand Canyon during 2001. Document number USFWS-AZFRO-FL-02-002. U.S. Fish and Wildlife Service, Flagstaff, Arizona. 82 pages.
 

 Ward, D.L, O.E. Maughan and S.A. Bonar. 2002. Variable-speed swim tunnel for testing the swimming ability of age-0 fish. North American Journal of Aquaculture 64:228-231.
 

 Ward, D.L, O.E. Maughan, S.A. Bonar and W.J. Matter. 2002. Effects of temperature, fish length, and exercise on swimming performance of age-0 flannelmouth sucker. Transactions of the American Fisheries Society 131:492-497.
 

 Ward, D.L. 2002. Standardized methods for handling fish in Grand Canyon research. Report submitted to the Grand Canyon Monitoring and Research Center. Grand Canyon Monitoring and Research Center, Flagstaff, Arizona.
 

 Western Area Power Administration. 2002. Modification and construction of transmission lines for the U.S. 93 Hoover Dam bypass project (DOE/EIS-0352). Federal Register 67(190):61619-61621.
 

 Agyagos, F. 2003. Bubbling Ponds Hatchery, yearly summary 2003. Arizona Game and Fish Department, Phoenix. 3 pages.
 

 Anderson, R. and G. Stewart. 2003. Riverine fish flow investigations. Habitat based instream flow recommendations for the Yampa, Colorado and Dolores Rivers. Colorado Division of Wildlife, Fort Collins. 100 pages.
 

 Badame, P.V. and J.M. Hudson. 2003. Reintroduction and monitoring of hatchery-reared bonytail in the Colorado and Green Rivers, 1996-2001. Project no. 25. Utah Division of Wildlife Resources, Salt Lake City. 54 pages.
 

 Brandenburg, W.H., M.A. Farrington, and S.J. Gottlieb. 2003. Razorback sucker larval fish survey: San Juan River 2002. River 1998 and 1999. River 1998 and 1999. Division of Fishes, Museum of Southwestern Biology, University of New Mexico, Albuquerque. 48 pages.
 

 Burdick, B.D. 2003. Evaluation of stocking sub-adult Colorado pikeminnow via translocation in the upper Colorado River between Palisade and Rifle, Colorado. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. i-F1 pages.
 

 Burdick, B.D. 2003. Monitoring and evaluating various sizes of domestic-reared razorback sucker stocked in the upper Colorado and Gunnison Rivers: 1995- 2001. U.S. Fish and Wildlife Service, Grand Junction, Colorado. i-F2 pages.
 

 Coggins, L., C. Walters, C. Paukert and S. Gloss. 2003. An overview of status and trend information for the Grand Canyon population of the humpback chub, Gila cypha. U.S. Geological Survery, Grand Canyon Monitoring and Research Center, Flagstaff, Arizona.
 

 Coggins, L., M. Yard and C. Paukert. 2003. Piscivory by non-native salmonids in the Colorado River and an evaluation of the efficacy of mechanical removal of non-native salmonids. U.S. Geological Survery, Grand Canyon Monitoring and Research Center, Flagstaff, Arizona.
 

 Connolly, P.J. and J.H. Petersen. 2003. Bigger is not always better for overwintering young-of-year steelhead. American Fisheries Society 132(2):262-274.
 

 Crist, L.W. and D.W. Ryden. 2003. Genetics management plan for the endangered fishes of the San Juan River. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction, Colorado. 45 pages.
 

 Davis, J.E. 2003. Non-native species monitoring and control, San Juan River 1999-2001. Progress report. Final report. U.S. Fish and Wildlife Service, New Mexico Fishery Resources Office, Albuquerque. 41 pages + appendices.
 

 Desert Fishes Team. 2003. Status of federal and state listed warm water fishes of the Gila River basin, with recommendations for management. Desert Fishes Team Report Number 1. 22 pages.
 

 Douglas, M.R., P.C. Brunner and M.E. Douglas. 2003. Drought in an evolutionary context: molecular variability in flannelmouth sucker (Catostomus latipinnis) from the Colorado River Basin of western North America. Freshwater Biology 48(7):1254-1273.
 

 Dowling, T.E., P.C. Marsh, A. Kelsen and C.A. Tibbets. 2003. Genetic monitoring and repatriation of an endangered western fish. American Fisheries Society Annual Meeting 133:49.
 

 Gobalet, K.W. 2003. An alternative exercise for generating a dichotomous key to vertebrae. American Biology Teacher 65(9):697-700.
 

 Golden, M.E. and P.B. Holden. 2003. Determining conditions that promote razorback sucker recruitment in Lake Mead: a summary of the 2000-2002 pilot study. PR 784-2. BIO/WEST, Inc., Logan, Utah.
 

 Goldsmith, R.J., G.P. Closs and H. Steen. 2003. Evaluation of visible implant elastomer for individual marking of small perch and common bully. Journal of Fish Biology 63(3):631-636.
 

 Grand Canyon Monitoring and Research Center. 2003. An overview of status and management strategy for humpback chub in Grand Canyon. Committee report of the humpback chub ad hoc committee to the adaptive management work group of the Glen Canyon Dam adaptive management program, Flagstaff, Arizona. 111 pages.
 

 Gurtin, S.D., J.E. Slaughter, S.J. Sampson and R.H. Bradford. 2003. Use of existing and reconnected backwater habitats by hatchery-reared adult razorback suckers: A predictive model for the Imperial Division, Lower Colorado River. Transactions of the American Fisheries Society 132(6):1125-1137.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl, F.A. Bullard, L.K. Weston and S.F. McDonald. 2003. Evaluation of flushing of a backwater channel: concentrations of selenium and other inorganic elements in water, sediment, invertebrates, forage fish, and Colorado pikeminnow. Recovery program project number C6-WW. U.S. Geological Survey, Biological Resources Division, Columbian Environmental Research Center, Yankto, South Dakota. 67 pages.
 

 Hawkins, J.A. 2003. Recapture and growth rates of three Colorado River endangered fish species: a comparison between electrofishing and nonelectrofishing. Colorado State University, Fort Collins. 23 pages.
 

 Henne, J.P., M.M. Romero, T.V. Martinez, B.M. Fillmore and G.J. Carmichae. 2003. Growth and performance of juvenile bonytail Gila elegans fed four commercial diets and reared in a recirculating system. Proceedings of Aquaculture America: New Frontiers in Aquaculture.
 

 Hudson, J.M. and J.A. Jackson. 2003. Population estimates for humpback chub (Gila cypha) and roundtail chub (Gila robusta) in Westwater Canyon, Colorado River, Utah, 1998–2000. Final report. Publication Number 03-51. State of Utah, Department of Natural Resources, Division of Wildlife Resources - Native Aquatics, Salt Lake City, Utah. 45 pages.
 

 Humpback Chub Ad Hoc Committee. 2003. Status and management strategy for humpback chub in Grand Canyon. Humpback Chub Ad Hoc Committee to the Adaptive Management Work Group of the Glen Canyon Adaptive Management Program. 
 

 Hydrosphere Resource Consultants. 2003. Upper Colorado River basin study. Phase II. Final report. Hydrosphere Resource Consultants, Inc., Boulder, Colorado. 77 pages.
 

 Irving, D., B. Haines and T. Modde. 2003. Appendices. White River base flow study, Colorado and Utah, 1995-1996. Draft report. Upper Colorado River Basin Recovery Implementation Program Project No. 5D. 
 

 Irving, D., B. Haines and T. Modde. 2003. White River base flow study, Colorado and Utah, 1995-1996. Draft report. Upper Colorado River Basin Recovery Implementation Program Project No. 5D. 
 

 Jackson, J.A. 2003. Nonnative control in the lower San Juan River 2003. Interim progress report (draft). Interim Progress Report (Draft). Utah Division of Wildlife Resources, Moab. 16 pages + appendix.
 

 Jacobson, B. 2003. Table: Razorback sucker releases by Arizona Game and Fish Department into the Colorado River below Parker Dam, 12/12/2003. Arizona Game and Fish Department, Phoenix. 1 page.
 

 Jann, D. and C.O. Minckley 2003. Twelve PIT tagged razorback suckers stocked to main channel Imperial Division. Personal communication, J.D. Schooley, Arizona State University, Tempe.
 

 Jepsen, N. 2003. Long-term retention of surgically implanted radio transmitters in pikeperch. Journal of Fish Biology 63(1):260-262.
 

 Keith, R., C. Gill and K. Gelwicks. 2003. Green River watershed native non-game fish species research: Phase I. Progress report. Agreement number 02-FC-40-6870. U.S. Bureau of Reclamation. 22 pages.
 

 Kitchell, J.F., C.Grimes, S.T. Lindley, D.Otis and C. Schwarz. 2003. Report to the Adaptive Management Work Group, Glen Canyon Dam Adaptive Management Program: an independent review of ongoing and proposed scientific methods to assess the status and trends of the Grand Canyon population of the humpback chub (Gila cypha). 
 

 Kitcheyan, C. 2003. Movement, migration and habitat use of Colorado pikeminnow in Lodore Canyon. Presentation at Upper Colorado River Endangered Fish Recovery Program, 24th Annual Research Meeting, Grand Junction, Colorado.
 

 LaGory, K.E., J.W. Hayse and D. Tomasko 2003. Recommended priorites for geomorphology research in endangered fish habitats of the upper Colorado River basin. Final report. Project 134. Upper Colorado River Endangered Fish Recovery Program. 159 pages.
 

 Lapahie, A. 2003. Reports of the number of fish using the selective fish passage at the public service company of New Mexico weir. 
 

 Lawrence, K. 2003. Chapter 3: life history of the fishes of the San Juan River. Flannelmouth sucker. Pages 3-19 to 3-20 in in P.B. Holden, ed. Flow recommendations for the San Juan River. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico.
 

 Lenon, N. 2003. McAllister Lake water quality improvement pilot study. Draft report. U.S. Bureau of Reclamation, Boulder City, Nevada.
 

 Marsh, P.C., B.E. Bagley, G.W. Knowles, G. Schiffmiller and P.A. Sowka. 2003. New and rediscovered populations of loach minnow, Tiaroga cobitis (Cyprinidae), in Arizona. Southwestern Naturalist 48(4):666-669.
 

 Marsh, P.C., C.A. Pacey and B.R. Kesner. 2003. Decline of the razorback sucker in Lake Mohave, Colorado River, Arizona and Nevada. Transactions of the American Fisheries Society 132:1251-1256.
 

 Martinez, P. 2003. Look at the smallmouth bass scenario in the Yampa River basin. Presentation at Upper Colorado River Endangered Fish Recovery Program, 24th Annual Research Meeting, Grand Junction, Colorado.
 

 McAda, C.W. 2003. Flow recommendations to benefit endangered fishes in the Colorado and Gunnison Rivers. Final report. Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 Miller, B. 2003. Memorandum: San Juan River basin recovery implementation program maintenance. Base flow recommendations for water conservation. 
 

 Minckley, C.O. and M. Thorson. 2003. Bonytail broodstock collection report Lake Mohave AZ-NV. Project No. 2000-0304-006. Document no. USFWS-AZFRO-PA-03-001. and the Multi-species Conservation Plan, Interim Conservation Plan Funding 2000 Project No. 2000-0304-006 U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona. 13 pages.
 

 Minckley, W.L., P.C. Marsh, J.E. Deacon, T.E. Dowling, P.W. Hendrick, W.J. Matthews and G. Mueller. 2003. Conservation plan for native fishes of the lower Colorado River. Bioscience 53(3):219-234.
 

 Modde, T. and C. Keleher. 2003. Flow recommendations for the Duchesne River with a synopsis of information regarding endangered fishes. Final report project number 84-1. 
 

 Modde, T. and G.B. Haines. 2003. Adult fish use in the Duchesne River below Myton, 1997-2000. Final report project no. 84-3. U.S. Fish and Wildlife Service, Denver, Colorado.
 

 Mueller, G.A. 2003. Role of stocking in the reestablishment and augmentation of native fish in the lower Colorado River mainstem (1998-2002). Draft. Open-file report 03-288. U.S. Geological Survery, Fort Collins Science Center, Colorado. 42 pages.
 

 Mueller, G.A., J. Carpenter, P.C. Marsh and C.O. Minckley. 2003. Cibola High Levee Pond annual report 2003. U.S. Geological Survey, Fort Collins Science Center, Colorado. 26 pages.
 

 Mueller, G.A., P.C. Marsh, D. Foster, M. Ulibarri and T. Burke. 2003. Factors influencing post-stocking dispersal of razorback sucker. North American Journal of Fisheries Management 23(1):270-275.
 

 National Park Service. 2003. Special regulations; areas of the national park system. Federal Register 68(12):2466-2476.
 

 National Park Service. 2003. Personal watercraft use at Lake Mead National Recreation Area. Federal Register 68(68):17292-17307.
 

 Nesler, T.P., K. Christopherson, J.M. Hudson, C.W. McAda, F. Pfeifer and T.E. Czapla. 2003. An integrated stocking plan for razorback sucker, bonytail, and colorado pikeminnow for the Upper Colorado River Endangered Fish Recovery Program. Addendum to State Stocking Plans. Upper Colorado River Basin Recovery Implementation Program. 15 pages.
 

 Osmundson, D.B. 2003. Removal of non-native centrarchids from upper Colorado River backwaters, 1991–2001. Final report. Project number 89. U.S. Fish and Wildlife Service, Grand Junction, Colorado.
 

 Patten, M.A., G. McCaskie and P. Unitt. 2003. Birds of the Salton Sea: Status, Biogeography, and Ecology. University of California Press, Berkeley.
 

 Paukert, C.P. and R.S. Rogers. 2003. Trends in flannelmouth sucker condition in the Colorado River, Grand Canyon, Arizona. American Fisheries Society Annual Meeting 133:353-354.
 

 Postel, S. and B. Richter. 2003. Rivers for life: managing water for people and nature. Island Press, Washington, D.C. 253 pages.
 

 Propst, D.L., A.L. Hobbes and R.D. Larson. 2003. Small-bodied fish monitoring San Juan River 1998-2001. Conservation Services Division, New Mexico Department of Game and Fish, Santa Fe. 88 pages.
 

 Rathburn, S. and E. Wohl. 2003. Predicting fine sediment dynamics along a pool-riffle mountain channel. Geomorphology 55(1-4):111-124.
 

 Ryden, D.W. 2003. Long-term monitoring of sub-adult and adult large bodied fishes in the San Juan River: 1999-2001 integration report. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 127 pages + appendices.
 

 Ryden, D.W. 2003. An augmentation plan for Colorado pikeminnow in the San Juan River. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 63 pages + appendices.
 

 Ryden, D.W. 2003. An augmentation plan for razorback sucker in the San Juan River. U.S. Fish and Wildlife Service, Grand Junction, Colorado. 32 pages.
 

 Ryden, W.D. 2003. Long-term monitoring of sub-adult and adult large bodied fishes in the San Juan River: 2002. Final report. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction. 68 pages.
 

 Shannon, J.P., D.W. Blinn, G.A. Haden, E.P. Benenati and K.P. Wilson. 2003. Food web implications of delta13C and delta15N variability over 370 km of the regulated Colorado River USA. Isotopes Environmental Health Studies 37(3):179-91.
 

 Shiozawa, D.K., M.D. McKell, B.A. Miller and R.P. Evans. 2003. Genetic assessment of four native fishes from the Colorado River drainages in western Colorado: the results of DNA analysis. Brigham Young University, Provo, Utah.
 

 Simons, A.M., P.B. Berendzen and R.L. Mayden. 2003. Molecular systematics of North American phoxinin genera (Actinopterygii: Cyprinidae) inferred from mitochondrial 12S and 16S ribosomal RNA sequences. Zoological Journal of the Linnean Society 139(1):63-80.
 

 Snyder, D.E. 2003. Computer-interactive key to eggs, larvae and early juveniles of catostomid fishes of the upper Colorado River basin (data set for use with DELTA intkey). Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Snyder, D.E. 2003. Computer-interactive key to sucker larvae and early juveniles of the upper Colorado River basin with description of longnose sucker. Final report. Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Snyder, D.E. 2003. Electrofishing and its harmful effects onf fish. Final report. Information and Technology Report USGS/BRD/ITR–2003-0002. U.S. Bureau of Reclamation, upper Colorado Regional Office, Salt Lake City, Utah.
 

 Tiersch, T.R., W.R. Wayman, J.H. Williamson, O.T. Gorman, G.J. Carmichael and C.R. Figiel, Jr. 2003. Cryopreservation of sperm from endangered Colorado squawfish. North American Journal of Aquaculture 66(1):8-14.
 

 Tomasso, J.R., G.J. Carmichael and S.A. Fuller. 2003. Nitrite toxicity to the razorback sucker Xyrauchen texanus and the bonytail Gila elegans: inhibition by environmental chloride. Journal of Applied Aquaculture 14(1):179-183.
 

 U.S. Bureau of Reclamation. 2003. Endangered fish passage project at the Grand Valley Project Diversion Dam and fish screen in the Government Highline Canal. Finding of no significant impact. 
 

 U.S. Bureau of Reclamation. 2003. Environmental assessment. Endangered fish passage project at the Grand Valley Project Diversion Dam and fish screen in the Government Highline Canal. Final. 
 

 U.S. Bureau of Reclamation. 2003. Report to Congress: operations of Glen Canyon Dam pursuant to the Grand Canyon Protection Act of 1992, water years 1999-2001. 
 

 U.S. Bureau of Reclamation. 2003. Glen Canyon Dam Adaptive Management Work Group (AMWG), notice of meeting. Federal Register 68(115):35701.
 

 U.S. Bureau of Reclamation. 2003. Glen Canyon Dam Adaptive Management Work Group (AMWG); notice of meeting. Federal Register 68(145):44543.
 

 U.S. Bureau of Reclamation. 2003. Glen Canyon Dam Adaptive Management Work Group (AMWG); notice of meeting. Federal Register 68(213):62474.
 

 U.S. Bureau of Reclamation. 2003. Glen Canyon Dam Adaptive Management Work Group (AMWG); notice of meeting. Federal Register 68(45):11143.
 

 U.S. Bureau of Reclamation. 2003. Glen Canyon Dam Adaptive Management Work Group (AMWG); notice of meeting. Federal Register 68(58):14697.
 

 U.S. Bureau of Reclamation. 2003. Glen Canyon Dam Adaptive Management Work Group (AMWG); notice of meeting. Federal Register 68(92):25627.
 

 U.S. Bureau of Reclamation. 2003. Endangered Fish Passage Project at the Grand Valley Project Diversion Dam and Fish Screen in the Government Highline Canal. U.S. Bureau of Reclamation, Upper Colorado Region, Western Colorado Area Office, Grand Junction, Colorado. 59 pages + appendices.
 

 U.S. Department of Energy. 2003. Notice of incorporation of documents into the record of the proceeding for project no. 2069-007. Federal Register 68(87):23985-23986.
 

 U.S. Fish and Wildlife - Arizona Fishery Resources Offices. 2003. Monthly activity report Arizona Fishery Resources Offices Pinetop, Parker, San Carlos, Flagstaff. USFWS-AZFRO-PT-03-009. 
 

 U.S. Fish and Wildlife - Arizona Fishery Resources Offices. 2003. Monthly activity report Arizona Fishery Resources Offices Pinetop, Parker, San Carlos, Flagstaff. USFWS-AZFRO-PT-03-012 
 

 U.S. Fish and Wildlife Service. 2003. Bonytail chub critical habitat. 
 

 U.S. Fish and Wildlife Service. 2003. Colorado pikeminnow critical habitat. 
 

 U.S. Fish and Wildlife Service. 2003. Humpback chub critical habitat. 
 

 U.S. Fish and Wildlife Service. 2003. Razorback sucker critical habitat. 
 

 U.S. Fish and Wildlife Service. 2003. Little-known but important features of the Endangered Species Act distinct population segments, 4(d) rules, and experimental populations. 
 

 U.S. Fish and Wildlife Service. 2003. Endangered and threatened species permit applications. Federal Register 68(103):32077-32078.
 

 U.S. Fish and Wildlife Service. 2003. Endangered and threatened species permit applications. Federal Register 68(118):36829-36831.
 

 U.S. Fish and Wildlife Service. 2003. Environmental assessment for the management plan for endangered fishes in the Yampa River basin. Draft. Federal Register 68(146):44808-44809.
 

 U.S. Fish and Wildlife Service. 2003. Endangered and threatened species permit applications. Federal Register 68(212):62314-62315.
 

 U.S. Fish and Wildlife Service. 2003. Endangered and threatened species permit applications. Federal Register 68(26):6497-6498.
 

 U.S. Fish and Wildlife Service. 2003. Endangered and threatened species permit applications. Federal Register 68(62):15739-15740.
 

 U.S. Fish and Wildlife Service. 2003. Native fish protected habitats quarterly report: first quarter, FY 2003. Document number: USFWS-AZFRO-PA-03-025. U.S. Fish and Wildlife, Arizona Fishery Resources Office, Parker, Arizona. 10 pages.
 

 U.S. Fish and Wildlife Service. 2003. Native fish protected habitats quarterly report: second quarter, FY 2003. Document number: USFWS-AZFRO-PA-03-041. U.S. Fish and Wildlife, Arizona Fishery Resources Office, Parker, Arizona. 11 pages.
 

 U.S. Geological Survey. 2003. Researchers study effects of trout removal and fluctuating flows on native fishes in the Grand Canyon. Grand Canyon Monitoring and Research Center, Flagstaff, Arizona. 1 page.
 

 Ulibarri, M.E. 2003. Annual report, fiscal year 2001. U.S. Fish and Wildlife Service, Dexter, New Mexico. 26 pages.
 

 Ulibarri, M.E. 2003. Annual report, fiscal year 2002. U.S. Fish and Wildlife Service, Dexter, New Mexico. 59 pages.
 

 Valbonesi, P., G. Sartor and E. Fabbri. 2003. Characterization of cholinesterase activity in three bivalves inhabiting the North Adriatic sea and their possible use as sentinel organisms for biosurveillance programmes. The Science of The Total Environment 312(1-3):79-88.
 

 Walker, C.A. and L.N. Berg. 2003. Surveys to determine the current distribution of roundtail chub, flannelmouth sucker, and bluehead sucker in the Price River drainage, during 2002. Utah Department of Natural Resources, Division of Wildlife Resources, Salt Lake City. 33 pages.
 

 Ward, D.L. 2003. Preserving humpback chub from extinction. 
 

 Ward, D.L. 2003. Effects of marking techniques and handling on swimming ability of bonytail chub. Arizona Nevada Academy of Science 36(1):34-36.
 

 Ward, D.L. and S.A. Bonar. 2003. Effects of cold water on susceptability of age-0 flannelmouth sucker to predation by rainbow trout. Southwestern Naturalist 48(1):43-43.
 

 Ward, D.L., A.A. Schultz and P.G. Matson. 2003. Differences in swimming ability and behavior in response to high water velocities among native and nonnative fishes. Environmental Biology of Fishes 68:87-92.
 

 Watters, J.V., S.C. Lemab and G.A. Nevitt. 2003. Phenotype management: a new approach to habitat restoration. Biological Conservation 112(3):435-445.
 

 Welker, T.L. and P.B. Holden. 2003. Razorback sucker studies on Lake Mead, Nevada, 2002-2003. Annual report. BIO/WEST, Inc., Logan, Utah.
 

 Werner, W.E.  2003. Conservation of native species through habitat conservation plans, safe harbor agreements, and similar mechanisms in Arizona. American Fisheries Society Annual Meeting 133:337-338.
 

 Wesp, H.M. and A.C. Gibb. 2003. Do endangered razorback suckers have poor larval escape performance relative to introduced rainbow trout? Transactions of the American Fisheries Society 132(6):1178.
 

 White, M.M. 2003. Preliminary analysis of mitochondrial DNA sequence variation in wild and hatchery Colorado Pikeminnow, Ptychocheilus lucius. American Fisheries Society Annual Meeting 133:356-357.
 

 Winter, H.V. and F. Fredrich. 2003. Migratory behaviour of ide: a comparison between the lowland rivers Elbe, Germany, and Vecht, The Netherlands. Journal of Fish Biology 63(4):871-880.
 

 Yard, M. and L. Coggins. 2003. Non-native fish removal efforts in Grand Canyon: a proposed modification to ongoing activities. Draft proposal. U.S. Geological Survery, Southwest Biological Service Center, Grand Canyon Monitoring and Research Center.
 

 Yokoi, T., T. Tatsumi and H. Yoshitake. 2003. Selective selenate adsorption on cationated amino-functionalized MCM-41. Bulletin of the Chemical Society of Japan 76(11):2225-2232.
 

 Anderson, R. and G. Stewart. 2004. Riverine fish flow investigations. Quantification of impacts of the 2002 drought on native fish populations in the Yampa, Colorado, Dolores and Gunnison Rivers. Colorado Division of Wildlife, Fort Collins. 96 pages.
 

 Arizona Game and Fish Department. 2004. Species in the Arizona Heritage Data Management System, listed alphabetically by common name. 
 

 Arizona Game and Fish Department. 2004. Species in the Arizona Heritage Data Management System, listed alphabetically by county, by taxon, by scientific name. 
 

 Arizona Game and Fish Department. 2004. Special Status Species in the Arizona Heritage Data Management System, listed alphabetically by county, by taxon, by scientific name. 
 

 Arizona Game and Fish Department. 2004. Species in the Arizona Heritage Data Management System, listed alphabetically by scientific name. 
 

 Arizona Game and Fish Department. 2004. Special Status Species in the Arizona Heritage Data Management System, listed alphabetically by taxon and scientific name. 
 

 Arizona Game and Fish Department. 2004. Species in the Arizona Heritage Data Management System, listed alphabetically by taxon and scientific name. 
 

 Arizona Game and Fish Department. 2004. Special Status Species in Arizona, listed alphabetically by watershed code, by taxon, by scientific name. 
 

 Arizona Game and Fish Department. 2004. Table: Arizona Game and Fish Department hatchery record database, stocking summary for razorback sucker 1986-2004. Arizona Game and Fish Department, Phoenix. 6 pages.
 

 Arizona Game and Fish Department. 2004. Gila elegans. Unpublished abstract compiled and edited by the Heritage Data Management System, Arizona Game and Fish Department, Phoenix. 4 pages.
 

 Arizona Game and Fish Department. 2004. Xyrauchen texanus. Unpublished abstract compiled and edited by the Heritage Data Management System, Arizona Game and Fish Department, Phoenix. 5 pages.
 

 Badame, P.V., J.M. Hudson and J.A. Jackson. 2004. Population trends and distributions of flannelmouth sucker (Catostomus latipinnis) and bluehead sucker (Catostomus discobolus) in the lower Green River, 2001-2003. UDWR publication 05-08. Utah Division of Wildlife Resources.
 

 Baker, L.K. 2004. Wild refuges. Arizona Highways 80(1):34-39.
 

 Baker, R.F., P.J. Blanchfield, M.J. Paterson, R.J. Flett and L. Wesson. 2004. Evaluation of nonlethal methods for the analysis of mercury in fish tissue. Transactions of the American Fisheries Society 133(3):568-576.
 

 Bestgen, K.R., J.A. Hawkins, G.C. White, K. Christopherson, M. Hudson, M. Fuller, D.C.Kitcheyan, R. Brunson, P. Badame, G.B.Haines, J. Jackson, C.D. Walford and T.A. Sorensen. 2004. Status of Colorado pikeminnow in the Green River basin, Utah and Colorado. Draft final report, project number 22i and 22j. Colorado. Draft Final Report to the Recovery Program for the Endangered Fishes of the Upper Colorado River, Project Number 22i and Colorado State University, Fort Collins.
 

 Beyers, D.W. and E.C. Plampin. 2004. Report C. Development of bioenergetics model for evaluating factors that influence overwinter survival of age-0 Colorado pikeminnow in the Green River, Utah. Upper Colorado River Basin Recovery Implementation Program Project No. 104. Draft. Pages Ci to C38 in Evaluation of the effects of stage fluctuations on overwinter survival and movement of young Colorado pikeminnow in the Green River, Utah, 1999–2002.
 

 Birchell, G.J. and K. Christopherson. 2004. Survival, growth and recruitment of larval and juvenile razorback sucker (Xyrauchen texanus) introduced into floodplain depressions of the Green River, Utah. Final report. Upper Colorado River Endangered Fish Recovery Program Project No. C-6RZ. Publication Number 04-15. Utah Division of Wildlife Resources, Salt Lake City, Utah. 77 pages.
 

 Caldwell, C.A., S.A. Fuller, W.R. Gould, P.R. Turner and D.M. Hallford. 2004. Seasonal changes in 17 ss estradiol of the Rio Grande chub (Gila pandora) in south central New Mexico. Southwestern Naturalist 49(3):311-315.
 

 Choudhury, A., T.L. Hoffnagle and R.A. Cole. 2004. Parasites of native and nonnative fishes of the Little Colorado River, Grand Canyon, Arizona. The Journal of Parasitology 90(5):1042-1053.
 

 Christopherson, K.D., G.J. Birchell and T. Modde. 2004. Larval razorback sucker and bonytail survival and growth in the presence of nonnative fish in the Stirrup Floodplain. Project No. C-6-rz/bt. Publication Number 05-04. Utah Division of Wildlife Resources, Salt Lake City, Utah. 32 pages.
 

 Cole, R.A. 2004. Endangered fish threatened by Asian fish tapeworm: the Asian fish tapeworm may inhibit the recovery of the humpback chub in the Grand Canyon. U.S. Geological Survey, NWHC Information Sheet, August 2004.
 

 Davis , J.L.D., A.C. Young-Williams, A.H. Hines and O. Zmora. 2004. Comparing two types of internal tags in juvenile blue crabs. Fisheries Research 67(3):265-274.
 

 Davis, J.E. 2004. Evaluation of mechanical removal of large bodied non-native fishes in the San Juan River, New Mexico-Colorado-Utah, 1998-2004. San Juan River Basin Recovery Implementation Program. Poster presentation.
 

 De Boeck, G., W. Meeus, W. De Coen and R. Blust. 2004. Tissue-specific Cu bioaccumulation patterns and differences in sensitivity to waterborne Cu in three freshwater fish: rainbow trout (Oncorhynchus mykiss), common carp (Cyprinus carpio), and gibel carp (Carassius auratus gibelio). Aquatic Toxicology 70(3):179-188.
 

 Desert Fishes Council. 2004. Proceedings of the Desert Fishes Council Volume XXXIV and XXXV Annual Symposium. Desert Fishes Council, Bishop, California. 134 pages.
 

 Desert Fishes Team. 2004. Status of unlisted native fishes of the Gila River basin, with recommendations for management. Report Number 2. Desert Fishes Team, Phoenix, Arizona. 25 pages.
 

 Didenko, A.V. and S.A .Bonar. 2004. Standard weight (W-s) equations for four rare desert fishes. North American Journal of Fisheries Management 24(2):697-703.
 

 Dowling, T.E., P.C. Marsh, A.T. Kelsen and C.A. Tibbets. 2004. Genetic monitoring of wild and repatriated populations of endangered razorback sucker in Lake Mohave, Arizona-Nevada. Final report, agreement number 01-FG-30-0023. U.S. Bureau of Reclamation, Boulder City, Nevada, and Arizona State University, Tempe. 64 pages.
 

 Gill, D., R. Keith and K. Gelwicks. 2004. Green River watershed native non-game fish species research: Phase II. Progress report. Agreement number 02-FC-40-6870. U.S. Bureau of Reclamation. 52 pages.
 

 Gold, J.R., E. Saillant, C.P. Burridge, A. Blanchard and J.C. Patton. 2004. Population structure and effective size in critically rndangered Cape Fear shiners, Notropis mekistocholas. Southeastern Naturalist 3(1):89-102.
 

 Golden, M.E., P.B. Holden and S.K. Dahle. 2004. Retention, growth, and habitat use of stocked Colorado pikeminnow in the San Juan river: 2002-2003 annual report. San Juan River Basin Recovery Implementation Program, U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 66 pages.
 

 Hamilton, S.J. 2004. Review of selenium toxicity in the aquatic food chain. Science of The Total Environment 326(1-3):1-31.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl, F.A. Bullard, L.K. Weston and S.F. McDonald. 2004. Evaluation of flushing of a high-selenium backwater channel in the Colorado River. Evaluation of flushing of a high-selenium backwater channel in the Colorado River. Environmental Toxicology 19(1):51-81.
 

 Harvey, B.C; J.L. White and R.J. Nakamoto. 2004. An emergent multiple predator effect may enhance biotic resistance in a stream fish assemblage. Ecology 85(1):127-133.
 

 Hawkins, L.A., H.M. Tyus, W.L. Minckley and D.L. Schultz. 2004. Comparison of four techniques for aging adult Colorado pikeminnow, Ptychocheilus lucius. Southwestern Naturalist 49(2):203-208.
 

 Hedrick, P.W.  2004. Recent developments in conservation genetics. Forest Ecology and Management 197(1-3):3-19.
 

 Henry, T.B. and J.M. Grizzle. 2004. Survival of largemouth bass, bluegill and channel catfish embryos after electroshocking. Journal of Fish Biology 64(5):1206-1216.
 

 Huanga, C., Q. Dong, R.B. Walter and T.R. Tiersch. 2004. Sperm cryopreservation of green swordtail Xiphophorus helleri, a fish with internal fertilization. Cryobiology 48(3):295-308.
 

 Hurt, C. and P. Hedrick. 2004. Conservation genetics in aquatic species: general approaches and case studies in fishes and springsnails of arid lands. Aquatic Science 66(4):402-413.
 

 Hyatt, M.W. 2004. Assessment of Colorado pikeminnow and razorback sucker reintroduction programs in the Gila River basin. Final report. U.S. Fish and Wildlife Service, Tucson, Arizona. 28 pages.
 

 Keeler-Foster, C.L., I.B. Spies and V. Bondu-Hawkins. 2004. Development of microsatellite markers in bonytail (Gila elegans) with cross-species amplification in humpback chub (Gila cypha). Molecular Ecology Notes 4(1):23-25.
 

 Kitcheyan, D.C. and G.B. Haines. 2004. Report A. Overwinter survival and movement of young-of-year Colorado pikeminnow in the Green River, Utah, 1999-2002. Upper Colorado River Basin Recovery Implementation Program Project No. 104. Draft. Pages Ai to A73 in Evaluation of the effects of stage fluctuations on overwinter survival and movement of young Colorado pikeminnow in the Green River, Utah, 1999–2002.
 

 Kitcheyan, D.C. and G.B. Haines. 2004. Synopsis. Upper Colorado River Basin Recovery Implementation Program project no. 104. Draft. Pages ii to xxiv in Evaluation of the effects of stage fluctuations on overwinter survival and movement of young Colorado pikeminnow in the Green River, Utah, 1999–2002.
 

 Korman, J., S.M. Wiele and M. Torizzo. 2004. Modelling effects of discharge on habitat quality and dispersal of juvenile humpback chub (Gila cypha) in the Colorado River, Grand Canyon. Regulated Rivers 20:379-400.
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Memorandum: Availability of final documents for the lower Colorado River Multi-Species Conservation Program (LCR MSCP). 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Programmatic environmental impact report. Volume I. Final. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Habitat conservation plan. Volume II. Final. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Biological assessment. Volume III. Final. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Appendices to Volumes I-III and V. Volume IV. Final. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Responses to comments on LCR MSCP Volumes I-IV. Volume V. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Acronyms and glossary of terms. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Introduction. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. List of preparers. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Alternatives. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Affected environment and environmental consequences. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Aesthestics. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Indian Trust Assets. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Land use. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Noise. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Population and housing. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Puplic utilities and services. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Recreation. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Socioeconomics. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Topography, geology, soils, and mineral resources. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Transboundary impacts. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Transportation. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Agricultural resources. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Air quality. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Biological resources. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Cultural resources. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Energy and depletable resources. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Environmental justice. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Hazards and hazardous materials. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Hydrology and water quality. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Cumulative impacts. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Summary comparison of alternatives. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Other sections required by NEPA and/or CEQA. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Compliance, consultation, and coordination. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. References. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Persons and agencies contacted. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Abstract. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Executive summary. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Table of contents. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Cover. 
 

 Lower Colorado River Multi-Species Conservation Program. 2004. Lower Colorado River Multi-Species Conservation Program Final EIS/EIR. Figures. 
 

 Lytle, D.A. and N.L. Poff. 2004. Adaptation to natural flow regimes. Trends in Ecology & Evolution 19(2):94-100.
 

 Marsh, P.C. 2004. Spatial and temporal aspects of bonytail chub movement and habitat use, Cibola High Levee Pond, lower Colorado River, Arizona and California, 2003-2004. Appendix A. Cibola High Levee Pond Annual Report 2004. U.S. Geological Survey, Fort Collins Science Center, Colorado, and Arizona State University, Tempe. 15 pages.
 

 Marsh, P.C. 2004. Threatened fishes of the world: Gila elegans Baird and Girard 1953 (Cyprinidae). Environmental Biology of Fishes 70:144.
 

 Marsh, P.C. and B.R. Kesner. 2004. Analysis of fish population monitoring data for selected waters of the Gila River basin, Arizona, for the five-year period 1995-1999. U.S. Bureau of Reclamation, Lower Colorado Region, Phoenix, Arizona. 35 pages + appendices.
 

 Marsh, P.C. and J.D. Schooley. 2004. Bonytail chub foods and feeding habits, Cibola High Levee Pond, lower Colorado River, Arizona and California, 2003-2004. Final report. Award number 0004CS003. U.S. Geological Survey and Arizona State University, Tempe. 7 pages.
 

 Marsh, P.C. and J.D. Schooley. 2004. Bonytail chub foods and feeding habits, Cibola High Levee Pond, lower Colorado River, Arizona and California, 2003-2004. Draft. U.S. Geological Survey, Fort Collins Science Center, Colorado, and Arizona State University, Tempe. 8 pages.
 

 Martinez, A.M. 2004. An evaluation of nonnative fish control treatments in ponds along the Colorado and Gunnison Rivers, 1996-2002. Recovery Program Project Number 18/19. Upper Colorado River Endangered Fish Recovery Program. 72 pages.
 

 Martinez, P.J. and N.P. Nibbelink. 2004. Colorado nonnative fish stocking regulation evaluation. Final report. Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 McPhee, M.V. and T.F. Turner. 2004. No genetic evidence for hybridization between Rio Grande sucker, Catostomus plebeius, and the introduced white sucker, Catostomus commersoni, in the Rio Grande. Environmental Biology of Fishes 71 (1): 85-93.
 

 Minckley, C.O. 2004. Memorandum: Native fish work at Cibola National Wildlife Refuge. U.S. Fish and Wildlife, Arizona Fishery Resources Office, Parker, Arizona. 3 pages.
 

 Mueller, G.A. and J.L. Brooks. 2004. Collection of an adult gizzard shad (Dorosoma cepedianum) from the San Juan River, Utah. Western North American Naturalist 64(1):135-136.
 

 Mueller, G.A. and M.J. Horn. 2004. Distribution and abundance of pelagic fish in Lake Powell, Utah, and Lake Mead, Arizona-Nevada. Western North American Naturalist 64(3):306-311.
 

 Mueller, G.A. and R. Wydoski. 2004. Reintroduction of the flannelmouth sucker in the lower Colorado River. North American Journal of Fisheries Management 24(1)41-46.
 

 Mueller, G.A., J. Carpenter and P.C. Marsh. 2004. Cibola High Levee Pond annual report 2004. U.S. Geological Survey, Fort Collins Science Center, Colorado, and Arizona State University, Tempe. 23 pages.
 

 Paukert, C.P. 2004. Comparison of electrofishing and trammel netting variability for sampling native fishes. Journal of Fish Biology 65:1643-1652.
 

 Paukert, C.P. and R.S. Rogers. 2004. Factors affecting condition of flannelmouth suckers in the Colorado River, Grand Canyon, Arizona. North American Journal of Fisheries Management 24:648-653.
 

 Plampin, E.C. and D.W. Beyers. 2004. Report B. Movement rates of age-0 Colorado pikeminnow under simulated winter conditions. No. 104. Draft. Pages Bi to B17 in Evaluation of the effects of stage fluctuations on overwinter survival and movement of young Colorado pikeminnow in the Green River, Utah, 1999–2002.
 

 Portz, D.E. and H.M. Tyus. 2004. Fish humps in two Colorado River fishes: a morphological response to cyprinid predation? Environmental Biology of Fishes 71:233-245.
 

 Propst, D.L. and K.B. Gido. 2004. Responses of native and nonnative fishes to natural flow regime mimicry in the San Juan River. Transactions of the American Fisheries Society 133:922–931.
 

 Rees, D.E., W.J. Miller, J.A. Ptacek, M.D. Harvey, R.A. Mussetter and C.E. Morris. 2004. Ecological and physical processes during spring peak flow and summer base flows in the Colorado River. Volume I. Draft final report. Miller Ecological Consultants, Inc., Fort Collins, Colorado, and Mussetter Engineering, Inc., Fort Collins, Colorado. 226 pages.
 

 Robinson, A.T., J.E. Slaughter and M.E. Meding. 2004. Effects of the Rodeo-Chediski fire on the fish assemblage and water chemistry of the Salt River. State Wildlife Grant. Final report. Arizona Game and Fish Department, Research Branch, Phoenix, Arizona and Region IV, Mesa, Arizona. 14 pages.
 

 Roehm, G.W. 2004. Management plan for endangered fishes in the Yampa River basin. Environmental assessment. 
 

 Schmidt, J.C. and J. Brim Box. 2004. Application of a dynamic model to assess controls on age-0 Colorado pikeminnow distribution in the middle Green River, Colorado and Utah. Annals of the Association of American Geographers 94(3):458-476.
 

 Schooley, J.D., D.T. Thornbrugh and P.C. Marsh. 2004. Survival of razorback sucker stocked into the lower Colorado River. Final report. Agreement number 02FG300043. U.S. Bureau of Reclamation and Arizona State University, Tempe. 197 pages.
 

 Simpkins, D.G., W.A. Hubert, C. Martinez Del Rio and D.C. Rule. 2004. Constraints of body size and swimming velocity on the ability of juvenile rainbow trout to endure periods without food. Journal of Fish Biology 65(2):530-544.
 

 Snyder, D.E. 2004. Invited overview: conclusions from a review of electrofishing and its harmful effects on fish. Reviews in Fish Biology and Fisheries 13:445-453.
 

 Snyder, D.E. and R.T. Muth. 2004. Catostomid fish larvae and early juveniles of the upper Colorado River basin - morphological descriptions, comparisons, and computer-interactive key. Colorado Division of Wildlife, Technical Publication 42. 110 pages + CD
 

 Snyder, D.E. and S.C. Seal. 2004. Computer-interactive keys for the larvae and early juveniles of selected southwestern fishes. 36th Annual Meeting of the Desert Fishes Council.
 

 Snyder, D.E., K.R. Bestgen, S.C. Seal and C.L. Bjork. 2004. Identification of desert and Sonora sucker larvae and early juveniles. 36th Annual Meeting of the Desert Fishes Council.
 

 Snyder, D.E., K.R. Bestgen, S.C. Seal and C.L. Bjork. 2004. Larvae and early juveniles of three Gila River Basin cyprinids: Agosia chrysogaster, Meda fulgida, and Rhinichthys cobitis. 36th Annual Meeting of the Desert Fishes Council.
 

 Stone, D. and P. Sponholtz 2004. Translocation of young-of-year humpback chub above Chute Falls in the Little Colorado River, Arizona. Interim report. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Flagstaff, Arizona. 23 pages.
 

 Stone, D.M. 2004. Differential detection of ingested items evacuated from genus Gila cyprinids by two nonlethal alimentary tract lavage technigues. Journal of Freshwater Ecology 19(4):559-565.
 

 Tiersch, T.R., W.R. Wayman, D.P. Skapura, C.L. Neidig and H.J. Grier. 2004. Transport and cryopreservation of sperm of the common snook, Centropomus undecimalis (Bloch). Aquaculture Research 35(3):278-288.
 

 Trammel, M., S. Meismer and D. Speas 2004. Nonnative cyprinid removal in the lower Green and Colorado rivers, Utah. Final report. Publication # 05-10. Upper Colorado River Endangered Fish Recovery Program, Salt Lake City, Utah. 60 pages.
 

 Trammell, M., S. Meismer and D. Speas. 2004. Nonnative cyprinid removal in the lower Green and Colorado rivers, Utah. UDWR publication 05-10. Utah Division of Wildlife Resources. 50 pages.
 

 U.S. Bureau of Reclamation. 2004. Proposed experimental actions for water years 2005-2006, Colorado River, Arizona, in Glen Canyon National Recreation Area and Grand Cayon National Park. 
 

 U.S. Bureau of Reclamation. 2004. Environmental assessment and finding of no significant impact Price-Stubb Fish Passage. Final. 
 

 U.S. Bureau of Reclamation. 2004. Environmental assessment for providing fish screening in Redlands Power Canal. Final. 
 

 U.S. Bureau of Reclamation. 2004. Providing fish screening in the Redlands Power Canal. Findings of no significant impact. 
 

 U.S. Bureau of Reclamation. 2004. Operation of Flaming Gorge Dam draft environmental impact statement. 
 

 U.S. Bureau of Reclamation. 2004. Response to public comments on draft supplemental environmental assessment proposed experimental actions for water years 2005-2006 Colorado River, Arizona, in Glen Canyon National Recreation Area and Grand Canyon National Park. 
 

 U.S. Bureau of Reclamation. 2004. Scoping report for the Glen Canyon Dam proposed temperature control device environmental assessment. 
 

 U.S. Bureau of Reclamation. 2004. Reservoir operations to benefit endangered fishes in the Gunnison and Colorado Rivers, Aspinall Unit, Colorado River Storage Project, Colorado. Federal Register 69(13):2943-2945.
 

 U.S. Bureau of Reclamation. 2004. Preliminary habitat assessment: establishing a native fish refugium at Butler Lake Imperial National Wildlife Refuge, Arizona. U.S. Bureau of Reclamation, lower Colorado River region. 40 pages.
 

 U.S. Department of the Interior. 2004. Proposed modification to experimental releases from Glen Canyon Dam and continued mechanical removal of non-native fish. 
 

 U.S. Environmental Protection Agency. 2004. Regional benefits assessment for the proposed section (316)b rule for Phase III facilities. U.S. Environmental Protection Agency, Office of Water, Washington, D.C. 700 pages.
 

 U.S. Fish and Wildlife - Arizona Fishery Resources Offices. 2004. Monthly activity report Arizona Fishery Resources Offices Pinetop, Parker, San Carlos, Flagstaff. USFWS-AZFRO-PT-04-010. 
 

 U.S. Fish and Wildlife - Arizona Fishery Resources Offices. 2004. Summary of bonytail numbers released into Lake Havasu between FY94 and FY04. 
 

 U.S. Fish and Wildlife Service. 2004. Memorandum: Reinitiation of Section 7 consultation on proposed experimental releases from Glen Canyon Dam and removal of non-native fish. 
 

 U.S. Fish and Wildlife Service. 2004. Environmental Impact Statement/Draft Environmental Impact Report (DEIS/DEIR) for the Lower Colorado River Multi-Species Habitat, Conservation Program, Section 10 Permit Application for Incidental Take, Draft Lower Colorado River Multi-Species Habitat Cons Federal Register 69(117):34184-34187.
 

 U.S. Fish and Wildlife Service. 2004. Refuge-specific hunting and sport fishing regulations, 2004-2005. Federal Register 69(125):39651-39680.
 

 U.S. Fish and Wildlife Service. 2004. Refuge-specific hunting and sport fishing regulations, 2004-2005. Federal Register 69(173):54449-54474.
 

 U.S. Fish and Wildlife Service. 2004. Colorado River Water Delivery Agreement--Implementation Agreement, Inadvertent Overrun and Payback Policy, and related federal actions, Colorado River, Arizona, California and Nevada; notice. Federal Register 69(50):12201-12215.
 

 U.S. Fish and Wildlife Service. 2004. Endangered and threatened species permit applications. Federal Register 69(60):16286-16287.
 

 U.S. Fish and Wildlife Service. 2004. Conserving America's fisheries in the Southwest. Fisheries program Region Two strategic plan 2004-2008. U.S. Fish and Wildlife Service, Albuquerque, New Mexico. 93 pages.
 

 U.S. Fish and Wildlife Service. 2004. Dexter National Fish Hatchery and Technology Center. Annual report fiscal year - 2003. U.S. Fish and Wildlife Service, Dexter, New Mexico. 70 pages + appendices.
 

 U.S. Fish and Wildlife Service. 2004. Bonytail (Gila Elegans) recovery goals: amendment and supplement to the Bonytail Chub Recovery Plan. U.S. Fish and Wildlife Service. 94 pages.
 

 Ulibarri, M.E. 2004. Annual report, fiscal year 2003. U.S. Fish and Wildlife Service, Dexter, New Mexico. 70 pages.
 

 Upper Colorado River Basin Recovery Implementation Program. 2004. Nonnative fish management policy. Final report. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2004. Finding of no significant impact. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2004. Evaluation of the effects of stage fluctuations on overwinter survival and movement of young Colorado pikeminnow in the Green River, Utah, 1999–2002. Upper Colorado River Basin Recovery Implementation Program Project No. 104. Draft. Upper Colorado River Basin Recovery Implementation Program.
 

 Valdez, R.A. 2004. Generalized interactive model to predict floodplain habitat area needed to recover the endangered razorback sucker in the Upper Colorado River Basin, FLOODPLAIN Model Version 5.1. R.A. Valdez & Associates.
 

 Valdez, R.A. and P. Nelson. 2004. Green River Subbasin floodplain management plan. Project number C-6. Upper Colorado River Endangered Fish Recovery Program, Denver, Colorado.
 

 Van Haverbeke, D.R. and R.L. Simmonds, Jr. 2004. Feasibility of developing a program to augment the population of humpback chub (Gila Cypha) in Grand Canyon. USFWS-AZFRO-FL-03-007. U.S. Fish and Wildlife, Arizona Fishery Resources Office, Flagstaff. 64 pages.
 

 Ward, D.L. and K.D. Hilwig. 2004. Effects of holding environment and exercise conditioning on swimming performance of southwestern native fishes. North American Journal of Fisheries Management 24:1083-1087.
 

 Ward, D.L. and W. Persons. 2004. Little Colorado River fish monitoring, 2003 annual report. Submitted to Grand Canyon Monitoring and Research Center. Cooperative agreement 02WRAG0030. Grand Canyon Monitoring and Research Center, Flagstaff, Arizona.
 

 Welker, T.L. and P.B. Holden. 2004. Razorback sucker studies on Lake Mead, Nevada, 2003-2004. Annual report. BIO/WEST, Inc., Logan, Utah.
 

 Anderson, R. and G. Stewart. 2005. Riverine fish flow investigations. Quantification of impacts of the 2002 drought on native fish populations in the Yampa, Colorado, Dolores and Gunnison Rivers. Colorado Division of Wildlife, Fort Collins. 83 pages.
 

 Bays, et al. 2005. Conceptual design and management of native fish refugia on the lower Colorado River. Unknown.
 

 Brooks, J.E. and J.R. Smith. 2005. Mechanical removal and transplantation of channel catfish Ictalurus punctatus from the San Juan River: management implications for recovery of endangered Colorado River fishes. Page 129-141 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Brouder, M.J. 2005. Age and growth of roundtail chub in the upper Verde River, Arizona. Transactions of the American Fisheries Society 134(4):866-871.
 

 Brouder, M.J., C.L. Springer and S.C. Leon. 2005. Proceedings of two symposia: restoring native fish to the lower Colorado River: interations of native and non-native fishes. July 13-14, 1999, Las Vegas, Nevada, and restoring natural function within a modified riverine environment: the lower Colorado Riv U.S. Fish and Wildlife Service, Southwest Region, Albuqueque, New Mexico. 188 pages.
 

 Burke, T.A. and M. Burrel. 2005. Fighting chance-rearing endangered razorback sucker from Lake Mohave. Page 186 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Carpenter, J. 2005. Competition for food between an introduced crayfish and two fishes endemic to the Colorado River basin. Environmental Biology of Fishes 72 (3): 335-342.
 

 Carreau, N.D. and G.G. Pyle. 2005. Effect of copper exposure during embryonic development on chemosensory function of juvenile fathead minnows (Pimephales promelas). Ecotoxicology and Environmental Safety 61(1):1-6.
 

 Chessa, F. 2005. Endangered species and the right to die. Enviromental Ethics 27(1):23-41.
 

 Cole, R. 2005. Exotic tapeworm found in endangered desert fishes. U.S. Geological Survey, Fisheries and Aquatics Bulletin 4(1):2-3.
 

 Cooke, S.J., C.M. Bunt, S.J. Hamilton, C.A. Jennings, M.P. Pearson, M.S. Cooperman and D.F. Markle. 2005. Threats, conservation strategies, and prognosis for suckers (Catostomidae) in North America: insights from regional case studies of a diverse family of non-game fishes. Biological Conservation 121(3):317-331.
 

 Dowling, T.E., P.C. Marsh, A.T. Kelsen and C.A. Tibbets. 2005. Genetic monitoring of wild and repatriated populations of endangered razorback sucker (Xyrauchen texanus, Catostomidae, Teleostei) in Lake Mohave, Arizona-Nevada. Molecular Ecology 14(1):123-135.
 

 Dwyer, F.J., D.K. Hardesty, C.E. Henke, C.G. Ingersoll, D.W. Whites, T. Augspurger, T.J. Canfield, D.R. Mount and F.L. Mayer. 2005. Assessing contaminant sensitivity of endangered and threatened aquatic species: Part III. Effluent toxicity tests. Archives of Environmental Contamination and Toxicology 48(2):174-183.
 

 Feyrer, F., T.R. Sommer and R.D. Baxter. 2005. Spatial-temporal distribution and habitat associations of age-0 splittail in the lower San Francisco estuary watershed. Copeia (1):159-168.
 

 Figiel, C.R., M.E. Ulibarri, G. Carmichael, J. Seals and J.N. Hanson. 2005. Intensive fish culture of warmwater native fishes at a coldwater fish hatchery. Pages 164-166 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Gobalet, K.W., T.A. Wake and K.L. Hardin. 2005. Archaeological record of native fishes of the lower Colorado River: how to identify their remains. Western North American Naturalist 65(3):335-344.
 

 Gorman, O.T., R.G. Bramblett, R.M. Hervin, D.R. Van Haverbeke and D.M. Stone. 2005. Distribution and abundance of native and non-native fishes of the Colorado River Ecosystem in Grand Canyon, Arizona. Page 78-94 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Grand Canyon Monitoring and Research Center. 2005. Library database. 
 

 Gurtin, S.D. and R.H. Bradford. 2005. Habitat use and associated habitat characteristics used by hatchery-reared adult razorback suckers released into the Imperical Division, lower Colorado River, California-Arizona. Pages 109-122 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico,
 

 Hamilton, S.J. 2005. Commentary: selenium study on endangered razorback sucker is flawed. Ecotoxicology and Environmental Safety 61(3):313-326.
 

 Hamilton, S.J., K.J. Buhl, F.A. Bullard and S.F. McDonald. 2005. Reduced growth and survival of larval razorback sucker fed selenium-laden zooplankton. Ecotoxicology and Environmental Safety 61(2):190-208.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl and F.A. Bullard. 2005. Selenium impacts on razorback sucker, Colorado River, Colorado - II. Eggs. Ecotoxicology and Environmental Safety 61(1):32-43.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl and F.A. Bullard. 2005. Selenium impacts on razorback sucker, Colorado: Colorado River III. Larvae. Ecotoxicology and Environmental Safety 61(2):168-189.
 

 Hamilton, S.J., K.M. Holley, K.J. Buhl, F.A. Bullard, L.K. Weston and S.F. McDonald. 2005. Selenium impacts on razorback sucker, Colorado river, Colorado - I. Adults. Ecotoxicology and Environmental Safety 61(1):7-31.
 

 Hawkins, J., C. Walford and T. Sorensen. 2005. Northern pike management studies in the Yampa River, Colorado, 1999-2002. Project No. 98A. Upper Colorado River Endangered Fish Recovery Program, Lakewood, Colorado.
 

 Holden, P.B., P.D. Abate and J.B. Ruppert. 2005. Razorback suckers in Lake Mead: the role of habitat determining the effect of non-native predation. Page 99-103 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Hull, J.M. and D.J. Girman. 2005. Effects of Holocene climate change on the historical demography of migrating sharp shinned hawks (Accipiter striatus velox) in North America. Molecular Ecology 14(1):159-170.
 

 Knight, G.L. and K.B. Gido. 2005. Habitat use and susceptibility to predation of four prairie stream fishes: implications for conservation of the endangered Topeka shiner. Copeia 5(1):38-47.
 

 Leibfried, W.C. 2005. Native and non-native fish interactions in the Colorado River, Grand Canyon: an historical perspective with future implications. Page 71-77 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Lim, T.T. and K.H. Goh. 2005. Selenium extractability from a contaminated fine soil fraction: implication on soil cleanup. Chemosphere 58(1):91-101.
 

 Lower Colorado River Basin Aquatic Gap Analysis Project. 2005. Lower Colorado River basin aquatic gap analysis project. 
 

 Lower Colorado River Multi-Species Conservation Program. 2005. Description. 
 

 Lower Colorado River Multi-Species Conservation Program. 2005. Implementation and permit documents. 
 

 Lower Colorado River Multi-Species Conservation Program. 2005. Lower Colorado River Multi-Species Conservation Program documents. Final. 
 

 Lower Colorado River Multi-Species Conservation Program. 2005. Letters of support. 
 

 Lower Colorado River Multi-Species Conservation Program. 2005. Meeting notes from past meetings. 
 

 Marsh, P.C. 2005. Immiscibility of native and nonnative species. Pages 59-63 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Marsh, P.C., B.R. Kesner and C.A. Pacey. 2005. Repatriation as a management strategy to conserve a critically imperiled fish species. North American Journal of Fisheries Management 25(2):547-556.
 

 Minckley, C.O. and M. Thorson. 2005. Bonytail roundup report Lake Mohave Arizona-Nevada, 2005. USFWS-AZFRO-PA-05-011. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona. 6 pages.
 

 Minckley, C.O. and M.J. Thorson. 2005. Updates for Duck’s Unlimited Ponds, Beal Lake, High Levee Pond, and the Lake Havasu Fisheries Project. USFWS-AZFRO-PA-O5-003. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona.
 

 Minckley, C.O. and M.S. Thorson. 2005. Report on the fifth annual native fish roundup on Lake Havasu, AZ-CA. 14-18 February 2005. Document no. USFWS-AZFRO-PA-05-010. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona. 4 pages.
 

 Modde, T. 2005. Can habitat mitigate the impacts of non-native species on rare fishes? Observations from the upper Colorado River basin. Page 123-128 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Modde, T., Z.H. Bowen and D.C. Kitcheyan. 2005. Spatial and temporal use of a spawning site in the middle Green River by wild and hatchery-reared razorback suckers. Transactions of the American Fisheries Society 134(4):937-944.
 

 Morgan, K.B. and K.D. Hilwig. 2005. Modified minnow trap to reduce fish entrapment during crayfish removal efforts. Page 151-154 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Mueller, G.A. and T. Burke. 2005. Survival of young razorback sucker (Xyrauchen texanus) in relation to stocking rates (fish/ha) and in the presence or absence of predator communities in Lake Mohave, Arizona-Nevada. Pages 155-163 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Murphy, T. and G. Gould. 2005. Current state of the lower Colorado River: hydrology, geomorphology, and biology. Page 182 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 No author. 2005. Program highlights 2004-2005. Preserving the West’s heritage. Upper Colorado River Endangered Fish Recovery Program and San Juan River Basin Recovery Implementation Program. 20 pages.
 

 O'Connor, J.P., D.J. O'Mahony and J.M. O'Mahony. 2005. Movements of Macquaria ambigua, in the Murray River, south-eastern Australia. Journal of Fish Biology 66(2):392-403.
 

 Pacey, C.A. 2005. Native Fish Work Group database. Arizona State University, Tempe.
 

 Pacey, C.A. and P.C. Marsh. 2005. Decade of managed and natural population change for razorback sucker in Lake Mohave, Colorado River, Arizona and Nevada. Pages 104-108 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Petersen, J.H. and C.P. Paukert. 2005. Development of a bioenergetics model for humpback chub and evaluation of water temperature changes in the Grand Canyon, Colorado River. Transactions of the American Fisheries Society 134:960-974.
 

 Quist, M.C., F.J. Rahel and W.A. Hubert. 2005. Hierarchical faunal filters: an approach to assessing effects of habitat and nonnative species on native fishes. Ecology of Freshwater Fish 14(1):24-39.
 

 Roberts, J.J. and F.J. Rahel. 2005. Accuracy of aerial telemetry in fisheries studies. North American Journal of Fisheries Management 25(2):660-666.
 

 Salisbury, L. and T.A. Burke. 2005. Factors affecting growth and survival of razorback suckers in Lake Mohave backwaters. Page 186 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Sheppard, S.C., M.I. Sheppard, M.O. Gallerand and B. Sanipellia. 2005. Derivation of ecotoxicity thresholds for uranium. Journal of Environmental Radioactivity 79(1):55-83.
 

 Sjoberg, J.C. 2005. Historic and current status of the razorback sucker in Lake Mead, Nevada-Arizona: why has this reservoir population persisted? Pages 95-98 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Snyder, D.E., K.R. Bestgen and S.C. Seal. 2005. Native cypriniform fish larvae of the Gila River Basin–morphological descriptions, comparisons, and computer-interactive keys. Final report. Colorado State University Larval Fish Laboratory, Fort Collins.
 

 Stewart, G., R. Anderson and E. Wohl. 2005. Two-dimensional modelling of habitat suitability as a function of discharge on two Colorado rivers. River Research and Applications.
 

 Stone, D.M. 2005. Effect of baiting on hoop net catch rates of endangered humpback chub. North American Journal of Fisheries Management 25(2):640-645.
 

 U.S. Bureau of Land Management. 2005. Preliminary environmental assessment. North Chapita Natural Gas Well development project, Uintah County, Utah. Environmental Assessment #UT-080-2003-0307V. U.S. Bureau of Land Management, Vernal, Utah. 162 pages.
 

 U.S. Bureau of Reclamation. 2005. Lower Colorado River multi-species conservation program. 
 

 U.S. Bureau of Reclamation. 2005. Lower Colorado region reports and brochures archive. 
 

 U.S. Bureau of Reclamation. 2005. Glen Canyon Dam Adaptive Management Work Group (AMWG); notice of meeting. Federal Register 70(23):6035-6036.
 

 U.S. Fish and Wildlife - Arizona Fishery Resources Offices. 2005. Arizona Fishery Resources Offices annual reports. 
 

 U.S. Fish and Wildlife - Arizona Fishery Resources Offices. 2005. Arizona Fishery Resources Offices monthly activity reports. 
 

 U.S. Fish and Wildlife Service. 2005. Colorado River. 
 

 U.S. Fish and Wildlife Service. 2005. Duchesne River. 
 

 U.S. Fish and Wildlife Service. 2005. Green River. 
 

 U.S. Fish and Wildlife Service. 2005. Yampa River. 
 

 U.S. Fish and Wildlife Service. 2005. Lower Colorado region reports archive. 
 

 U.S. Fish and Wildlife Service. 2005. Endangered species recovery permits and applications. Federal Register 70(2):371-372.
 

 U.S. Fish and Wildlife Service. 2005. Arizona fishery resources office activities during the razorback roundup, match 2005, Lake Mohave, Arizoan-Nevada. USFWS-AZFRO-PA-05-009. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona.
 

 U.S. Fish and Wildlife Service. 2005. Bonytail radio-telemetry investigations on Lake Havasu, proposal submitted to CUP 2004. USFWS-AZFRO-PA-05-001. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona.
 

 U.S. Fish and Wildlife Service. 2005. Native fish protected habitats quarterly report: third quarter, july-august 2004. USFWS-AZFRO-PA-05-007. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona.
 

 U.S. Fish and Wildlife Service. 2005. Pesticide use proposal for rotenone use on lower Colorado River refuges 2005. USFWS-AZFRO-PA-05-002. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona.
 

 U.S. Fish and Wildlife Service. 2005. Rotenone PUP to region. USFWS-AZFRO-PA-05-006. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona.
 

 U.S. Fish and Wildlife Service. 2005. Scientific collecting report to Arizona Game and Fish Department, 2005. USFWS-AZFRO-PA-O5-005. U.S. Fish and Wildlife Service, Arizona Fishery Resources Office, Parker, Arizona.
 

 Upper Colorado River Basin Recovery Implementation Program. 2005. Programmatic biological opinion on the management plan for endangered fishes in the Yampa River basin. Final. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2005. Yampa programmatic biological opinion: Appendix A. Cooperative agreement. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2005. Yampa programmatic biological opinion: Appendix B. Technical memorada from Colorado and Wyoming concerning quantification of current and future depletions from the Yampa River basin. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2005. Yampa programmatic biological opinion: Appendix C. Hydrology figures and tables. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2005. Yampa programmatic biological opinion: Appendix D. Accounting for consumptive use. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2005. Yampa programmatic biological opinion: Appendix E. Sample recovery agreement. 
 

 Upper Colorado River Basin Recovery Implementation Program. 2005. Program library 
 

 Upper Colorado River Basin Recovery Implementation Program. 2005. Upper Colorado River Basin Recovery Implementation Program meeting archives. 
 

 Valdez, R.A. 2005. Non-native fish control strategy for Grand Canyon, Arizona. Page 142-150 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Ward, D. 2005. Collection of Asian tapeworm (Bothriocephalus acheilognathi) from the Yampa River, Colorado. Western North American Naturalist 65(3):403-404.
 

 Ward, D.L. and W. Persons. 2005. Little Colorado River fish monitoring, 2004 annual report. Submitted to Grand Canyon Monitoring and Research Center. Cooperative agreement 02WRAG0030. Grand Canyon Monitoring and Research Center, Flagstaff, Arizona.
 

 Wydoski, R.S. 2005. Habitat enhancements for native Colorado fishes. Page 21-55 in Proceedings of two symposia: restoring native fish to the lower Colorado River: interaction of native and non-native fishes. July 13-14, 1999. Las Vegas, Nevada. U.S. Fish and Wildlife Service, Southwest Region, Albuquerque, New Mexico.
 

 Stone, D.M. and O.T. Gorman. In press. Ontogenesis of endangered humpback chub (Gila cypha) in the Little Colorado River, Arizona. American Midland Naturalist.
 

 Williamson, J.H. In press. Planning guidelines for genetics conservation and management of endangered fishes of the upper Colorado River basin. U. S. Fish and Wildlife Service.
 

 Anonymous. No date. Unknown Table 1. Reintroductions of razorback sucker in lower Colorado River drainage, 1986. Arizona State University, Tempe. 1 page.
 

 Anonymous. No date. Unknown Table: Razorback Sucker Stocking 1981-85. Arizona State University, Tempe. 2 pages.
 

 Brussard, P.F., D.S. Dobkin, L.C. Ball, et.al. No date. Great Basin Mohave Desert region. 
 

 California Department of Fish and Game. No date. Summary of California Fish and Game razorback stocking on the lower Colorado River: March 1986-September 1990. California Department of Fish and Game. 3 pages.
 

 Colorado River Fisheries Program.  No date. Species list for upper Colorado River Basin. Colorado River Fisheries Program. 2 pages.
 

 Colorado River Wildlife Council. No date. Recommendations on prohibited and threatened species of the Colorado River drainage. Colorado River Wildlife Council.
 

 Connolly, D.M. No date. Proposed rule designating critical habitat for Colorado River endangered fish. Sierra Club Legal Defense Fund, Inc., Denver, Colorado. 16 pages.
 

 Converse, Y.K. and L.D. Lentsch. No date. Use of scale analysis and degree-day accumulation to determine size-dependent overwinter mortality of age-0 Colorado squawfish. Final report. Utah Division of Wildlife Resources, Salt Lake City.
 

 Corman, T. No date. Table: Arizona Game and Fish Department razorback sucker stockings to central Arizona waters, 1988-89. Arizona Game and Fish Department, Phoenix. 7 pages.
 

 Glen Canyon Environmental Studies. No date. Jurisdictional flowchart with regard to potential impacts to the Little Colorado River basin, and the Gila cypha habitat. Glen Canyon Environmental Studies.
 

 Hamilton, S.  No date. Toxicity of simulated agricultural irrigation drainwater to Colorado squawfish, bonytail chub, and razorback sucker from the Green River Basin. 
 

 Herrman, R., R. Stottlemyer and L. Scherbarth. No date. Water use. 
 

 Johnson, J.E. No date. Imperiled freshwater fishes. 
 

 Kaeding, L.R. No date. Evidence to support the belief that introduced fishes have negatively affected the endangered Colorado River fishes. U.S. Fish and Wildlife Service, Colorado River Fishery Project, Grand Junction, Colorado. 4 pages.
 

 Leiker, T.J., H.E. Bevans and S.L. Goodbred. No date. Halogenated organic compounds in endocrine-disrupted male carp from Las Vegas Wash and Lake Mead, Nevada. 
 

 Loudermilk, W.E. No date. Aspects of juvenile and adult razorback sucker (Xyrauchen texanus) biology in Senator Wash Reservoir and the lower California River (Parker Dam to Morelos Dam). Study proposal. California Department of Fish and Game, Long Beach. 9 pages.
 

 Milhous, R.T. No date. Restoring river substrate using instream flows: the Gunnison and Trinity Rivers. 
 

 Morris, R. No date. Squeezing out the squawfish: efforts to tame the last wild stretches of the Colorado River may spell trouble for two endangered species. 48 pages.
 

 Mueller, G. No date. Baseline fishery investigations of the major tributary arms of Lake Powell, Utah. 
 

 Mueller, G. No date. Extramural investigations supporting endemic fish research and management programs on the Colorado and Sacramento River Basins. 
 

 Mueller, G. No date. Colorado River native fish investigations: a study of the movements and distribution of adult and juvenile razorback suckers in Lake Mohave, Arizona-Nevada. 
 

 Mueller, G. No date. Rescuing the razorback sucker. 
 

 O'Shea, T. and C. Ramotnik. No date. Curation of biological survey collection in Albuquerque. 
 

 Rosenfeld, M.J. No date. Genetic analysis of the Colorado River Gila: non-fatal sampling, cell culture, chromosomal analysis and electrophoresis. University of Utah, Department of Biology, Salt Lake City.
 

 Rosenfeld, M.J. No date. Morphological, biochemical and cytogenetic studies of upper Colorado River Gila. Research summary. University of Utah, Salt Lake City. 4 pages.
 

 Schwinn, M.A. and A.W. Heggen. No date. Survey of endangered and unique wildlife of the Price Resource Area and a portion of the San Rafael Resource Area. Contract No. YA-512- CT9-119. Utah Department of Natural Resources. 88 pages.
 

 Stevens, L.E. No date. Ecological characterization of the wetlands of the Colorado Plateau. Lawrence E. Stevens, Flagstaff, Arizona. 291 pages.
 

 Stohlgren, T.J. No date. Interior west. 
 

 Stoneburner, D.L. and J.A. Hawkins. No date. Effect of temperature on Colorado squawfish in the Yampa River. Colorado Division of Wildlife Water Resources Field Support Lab, Fort Collins.
 

 Tremble, M. No date. Ecological impacts to the Little Colorado River humpback chub habitat. 
 

 Tyus, H.M. No date. Colorado squawfish. U.S. Fish and Wildlife Service, Vernal, Utah. 43 pages.
 

 U.S. Bureau of Reclamation. No date. U.S. Fish and Wildlife program analysis. 
 

 U.S. Bureau of Reclamation. No date. Navajo Dam and Reservoir operation report for the Animas-La Plata Project. 
 

 U.S. Bureau of Reclamation. No date. Environmental impact statement for the Animas-La Plata Project. Final. 
 

 U.S. Bureau of Reclamation. No date. Supplemental environmental impact statement - Animas-La Plata. Summary. Draft. 
 

 U.S. Bureau of Reclamation. No date. Animas-La Plata Project Environmental Commitment and Monitoring Plan. 
 

 U.S. Environmental Protection Agency. No date. Biennial RCRA hazardous waste report: list of large quantity generators (based on 1991 data). U.S. Environmental Protection Agency, Washington, D.C. 526 pages.
 

 U.S. Fish and Wildlife Service. No date. Conservation agreement and strategy for Virgin spinedace (Lepidomeda mollispinis mollispinis). 
 

 U.S. Fish and Wildlife Service. No date. Principles for conducting Endangered Species Act Section 7. Consultation on water development and water management activities affecting endangered fish species in the San Juan River basin. 
 

 U.S. Fish and Wildlife Service. No date. Alternative methods of preserving and recovering three endangered Colorado River fishes, and identification of significant environmental issues. U.S. Fish and Wildlife Service. 7 pages.
 

 U.S. Fish and Wildlife Service. No date. HYDROSS background at the U.S. Fish and Wildlife Service. U.S. Fish and Wildlife Service. 7 pages.
 

 U.S. Geological Survey CERC. No date. Endangered fish research in the upper Colorado River basin. 
 

 U.S. Geological Survey CERC. No date. Investigating contaminants...from molecules to landscapes. 
 

 U.S. Geological Survey MESC. No date. Biological survey collection, Museum of Southwestern Biology. 
 

 U.S. Geological Survey NPWRC. No date. Status of listed species and recovery plan development: fishes. 
 

 U.S. Geological Survey NPWRC. No date. Status of listed species and recovery plan development: Arizona. 
 

 U.S. Geological Survey NPWRC. No date. Status of listed species and recovery plan development: Colorado River fishes, Colorado. 
 

 U.S. Geological Survey NPWRC. No date. Status of listed species and recovery plan development: Colorado River fishes, Arizona. 
 

 U.S. Geological Survey NPWRC. No date. Status of listed species and recovery plan development: Colorado River fishes, Utah. 
 

 U.S. Geological Survey NPWRC. No date. Status of listed species and recovery plan development Colorado squawfish Ptychocheilus lucius -- endangered New Mexico. 
 

 U.S. Geological Survey NPWRC. No date. Endangered and threatened species recovery program ecosystem approach to recovery. U.S. Geological Survey NPWRC.
 

 U.S. Geological Survey. No date. U.S. Geological Survey Biological Resources Division Central Region FY 1998, National Resources Preservation Program Projects. 
 

 U.S. Geological Survey. No date. U.S. Geological Survey Biological Resources Division Central Region FY 1999, National Resources Preservation Program Projects. 
 

 U.S. Geological Survey. No date. U.S. Geological Survey Biological Resources Division activities in Nevada. 
 

 U.S. Geological Survey. No date. U.S. Geological Survey Biological Resources Division activities in South Dakota. 
 

 U.S. Geological Survey. No date. U.S. Geological Survey Biological Resources Division activities in Utah. 
 

 U.S. Geological Survey. No date. Biology of the Rio Grande border region: a bibliography vertebrate zoology: fish. 
 

 U.S. Geological Survey. No date. U.S. Geological Survey budget and organization analysis FY 2001. Program summaries America's natural heritage FY 2001. 
 

 U.S. Geological Survey. No date. America's natural heritage. 
 

 U.S. Geological Survey. No date. Determination of toxic elemental constituents in samples from field and laboratory studies to assess bioavailability and evaluate ecosystem health. U.S. Geological Survey.
 

 Upper Colorado River Basin Recovery Implementation Program. No date. Upper Colorado River Basin Recovery Implementation Program. 
 

 Upper Colorado River Basin Recovery Implementation Program. No date. Comments and author's replies to the report "Gunnison River/Aspinall Unit Temperature Study - Phase I". Upper Colorado River Endangered Fish Recovery Program. 11 pages.
 

 Wydoski, R.S. and J. Hamill. No date. Evolution of recovery programs for upper Colorado River fishes. U.S. Fish and Wildlife Service, Denver, Colorado. 26 pages.
 

 Xenopoulos, M.A., D.M. Lodge, J. Alcamo, M. Märker, K. Schulze and D.P. VanVuuren. No date. Scenarios of freshwater fish extinctions from climate change and water withdrawal. Global Change Biology.
 

 Deason, W.O. No date.. Regional information summary of the threatened wildlife of the lower Colorado region. U.S. Bureau of Reclamation, lower Colorado Region, Environmental Office.105 pages.