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Tyus, H. M. 1998. Early records of the endangered fish Gila cypha Miller from the <br />Yampa River of Colorado with notes on its decline. Copeia 19989:190-193. <br />U. S. Fish and Wildlife Service. 2002. Humpback chub (Gila cypha) Recovery Goals: <br />amendment and supplement to the Humpback Chub Recovery Plan. U. S. Fish and <br />Wildlife Service, Mountain-Prairie Region (6), Denver, Colorado. <br />16 <br />