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<br />17
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<br />Platania, S,P., K.R, Bestgen, M.A, Moretti, D.L. Probst, and J.E. Brooks,
<br />1991, Status of Colorado Squawfish and Razorback Sucker in the San Juan
<br />River, Colorado, New Mexico and Utah, Southwest. Nat. 36:369-377,
<br />
<br />Seethaler, K. 1978, Life History and Ecology of the Colorado Squawfish
<br />(Ptvchocheilus lucius) in the upper Colorado River basin. Thesis, Utah
<br />State University, Logan.
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<br />Sylvester, M,A., J,P. Deason, H.R. Feltz, and R.A. Engberg. 1988,
<br />Preliminary Results of Department of Interior Drainage Studies.
<br />
<br />Tyus, H.M. 1987. Distribution, reproduction, and habitat use of the
<br />razorback sucker in the Green River, Utah, 1979-1986, Transactions of
<br />the American Fisheries Society 116:111-116.
<br />
<br />Tyus, H.M., and C.A. Karp. 1989. Habitat Use and Streamflow Needs of Rare
<br />and Endangered Fishes, Yampa River, Colorado. U.S. Fish and Wildlife
<br />Service, Biology Report 89(14), 27 pp.
<br />
<br />Tyus, H.M" and C.A. Karp. 1990. Spawning and movements of razorback sucker,
<br />Xvrauchen texanus, in the Green River basin of Colorado and Utah.
<br />Southwestern Naturalist 35, (In Press)
<br />
<br />U.S. Fish and Wildlife Service. 1987. Recovery Implementation Program for
<br />Endangered Fish Species in the Upper Colorado River Basin, U.S. Fish
<br />and Wildlife Service, Denver, Colorado. 82 pp.
<br />
<br />U.S, Fish and Wildlife Service. 1992, Recovery Implementation Program for
<br />the San Juan River,
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<br />Valdez, R.A., P.G. Mangan, R.P. Smith, and B.C. Nilson. 1982. Upper Colorado
<br />River investigation (Rifle, Colorado to Lake Powell, Utah). U.S. Fish
<br />and Wildlife Service and Bureau of Reclamation, Final Report, Part 2,
<br />Colorado River Fishery Project, Salt Lake City, Utah.
<br />
<br />Valdez, R.A., and W.J. Masslich. 1989. Winter habitat study of endangered
<br />fish-Green River. Wintertime movement and habitat of adult Colorado
<br />squawfish and razorback suckers, Report No. 136.2. BID/WEST Inc.,
<br />Logan, Utah. 178 pp,
<br />
<br />Vanicek, C.D., and R,H. Kramer, 1969, Life history of the Colorado squawfish
<br />Ptvchocheilus lucius and the Colorado chub Gila robusta in the Green
<br />River in Dinosaur National Monument, 1964-1966, Transactions of the
<br />American Fisheries Society 98(2):193.
<br />
<br />Wick, E.J., and J.A, Hawkins. 1989. Colorado Squawfish Winter Habitat Study,
<br />Yampa River, Colorado. No. 43 Larval Fish Lab. Dept. of Fishery and
<br />Wildlife Biology, Colorado State University, Fort Collins.
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