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Final Report Executive Summary . 23 Valdez, R.A. 1990. The endangered fish of Cataract Canyon. Final Report prepared for the United States Deparbnent of Interior, Bureau of Reclamation, Salt Lake City, Utah. Contract No. 6-CS-40-03980, Fisheries Biology and Rafting. BIO/WEST Report No. 134-3. 94 pp + appendices. Valdez, RA. 1993. Effects of interim flows from Glen Canyon Dam on the aquatic resources of the lower Colorado River from Diamond Creek to Lake Mead. Annual Report - 1992 to Hualapai Wildlife Management Department and Glen Canyon Environmental Studies. BIO/WEST Report No. TR-354-01. 49 pp + appendix. Valdez, RA. 1994. Effects of interim flows from Glen Canyon Dam on the aquatic resources of the lower Colorado River from Diamond Creek to Lake Mead. Annual Report - 1993 to Hualapai Wildlife Management Department and Glen Canyon Environmental Studies. BIO/WEST Report No. TR-354-0 1. 52 pp + appendix. Valdez, RA. 1995. Effects of interim flows from Glen Canyon Dam on the aquatic resources of the lower Colorado River from Diamond Creek to Lake Mead. Final Report to Hualapai Wildlife Management Deparbnent and Glen Canyon Environmental Studies. BIO/WEST Report No. TR-354-01. Valdez, RA. and G.C. Clemmer. 1982, Life history and prospects for recovery of the humpback and bonytail chub. Pages 109-119 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, MD. Valdez, RA., 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. Valdez, RA., B.C. Cowdell, and E.E. Prats. 1995. Likelihood of invasion by red shiner (Cyprinella lutremis), into the Colorado River, Grand Canyon, Arizona. Unpublished Manuscript. Valdez, RA. and W.J. Masslich. In Review. Reproduction by humpback chub in a warm spring along the Colorado River in Grand Canyon, AZ. North American Journal of Fisheries Management. Weiss, SJ. 1993. Population structure and movement offlannelmouth sucker in the Paria River. Unpublished M.S" University of Arizona. 130 pp.