01476oam 2200433Ia 450 991069688870332120080722092817.0(CKB)5470000002381991(OCoLC)187971970(EXLCZ)99547000000238199120080107d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierGrand Canyon humpback chub population improving[electronic resource][Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2007]2 unnumbered pages digital, PDF fileFact sheet ;2007-3113Title from title screen (viewed on July 21, 2008)."December 2007."Includes bibliographical references.Humpback chubColorado River (Colo.-Mexico)Rare fishesColorado River (Colo.-Mexico)FishesEcologyColorado River (Colo.-Mexico)Colorado River (Colo.-Mexico)Environmental conditionsGrand Canyon (Ariz.)Environmental conditionsHumpback chubRare fishesFishesEcologyGeological Survey (U.S.)GISGISGPOBOOK9910696888703321Grand Canyon humpback chub population improving3111467UNINA