02074nam 2200469I 450 991071130380332120180918084553.0(CKB)5470000002482998(OCoLC)1052767357(EXLCZ)99547000000248299820180918d2018 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierGeomorphology and vegetation change at Colorado River campsites, Marble and Grand Canyons, Arizona /by Daniel R. Hadley [and four others] ; prepared in cooperation with Northern Arizona UniversityReston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2018.1 online resource (x, 64 pages) color illustrations, color maps +6 appendicesScientific investigations report ;2017-5096Includes bibliographical references (pages 58-63).GeomorphologyArizonaMarble Canyon (Coconino County : Canyon)GeomorphologyArizonaGrand CanyonVegetation dynamicsArizonaMarble Canyon (Coconino County : Canyon)Vegetation dynamicsArizonaGrand CanyonCamp sites, facilities, etcArizonaMarble Canyon (Coconino County : Canyon)Environmental conditionsCamp sites, facilities, etcArizonaGrand CanyonEnvironmental conditionsGeomorphologyGeomorphologyVegetation dynamicsVegetation dynamicsCamp sites, facilities, etc.Environmental conditions.Camp sites, facilities, etc.Environmental conditions.Hadley Daniel R.1397706Geological Survey (U.S.),Northern Arizona University.GPOGPOBOOK9910711303803321Geomorphology and vegetation change at Colorado River campsites, Marble and Grand Canyons, Arizona3459697UNINA