01298oam 2200385Ia 450 991069671300332120080717103245.0(CKB)5470000002381746(OCoLC)86078366(EXLCZ)99547000000238174620070320d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierResearch furthers conservation of Grand Canyon sandbars[electronic resource] /[by Theodore S. Melis ... and others][Reston, Va.] :U.S. Dept. of the Interior, U.S. Geological Survey,[2007]4 unnumbered pages digital, PDF fileFact sheet ;2007-3020Title from title screen (viewed on July 16, 2008)."March 2007."Includes bibliographical references.Sand barsArizonaGrand CanyonColorado River (Colo.-Mexico)RegulationSand barsMelis Theodore S1381361Geological Survey (U.S.)GISGISGPOBOOK9910696713003321Research furthers conservation of Grand Canyon sandbars3542077UNINA