01857oam 2200457 450 991070989230332120210305104255.0(CKB)5470000002473329(OCoLC)896810001(OCoLC)995470000002473329(EXLCZ)99547000000247332920141123d1969 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierThe Colorado River Region and John Wesley Powell /by Mary C. Rabbitt [and three others]Washington :United States Department of the Interior, Geological Survey,1969.1 online resource (145 pages) illustrations, mapsGeological Survey professional paper ;669Title from title screen (viewed September 30, 2014).Includes bibliographical references.(A) John Wesley Powell: pioneer statesman of Federal science / by Mary C. Rabbitt -- (B) Stratified rocks of the Grand Canyon / by Edwin D. McKee -- (C) Geologic history of the Colorado River / by Charles B. Hunt -- (D) The rapids and the pools--Grand Canyon / by Luna B. Leopold."A collection of papers honoring Powell on the 100th anniversary of his exploration of the Colorado River, 1869-1969."GeologyColorado River Valley (Colo.-Mexico)GeologyfastNorth AmericaColorado River ValleyfastGeologyGeology.Rabbitt Mary C.1388554Geological Survey (U.S.),COPCOPOCLCOOCLCFGPOBOOK9910709892303321The Colorado River Region and John Wesley Powell3518884UNINA