01778oam 2200517 450 991071209980332120190321093002.0(CKB)5470000002489099(OCoLC)439825168(EXLCZ)99547000000248909920080219d1996 ma 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrier"The great cataract" effects of late holocene debris flows on Lava Falls Rapid, Grand Canyon National Park, Arizona /by Robert H. Webb [and four others] ; prepared in cooperation with the Bureau of ReclamationTucson, Arizona :U.S. Department of the Interior, U.S. Geological Survey,1996.1 online resource (iv, 96 pages, 13 unnumbered pages) illustrations, mapsU.S. Geological Survey open-file report ;96-460Includes bibliographical references (pages 91-96).Great cataract" GeologyArizonaGrand Canyon National ParkLava flowsArizonaLava Falls RapidsGeology, StratigraphicHoloceneGeologyfastArizonaGrand Canyon National ParkfastGeologyLava flowsGeology, StratigraphicGeology.557.9132Webb Robert H.123725Geological Survey (U.S.),United States.Bureau of Reclamation.B@LB@LOCLCQOCLCFOCLCOOCLCQGPOBOOK9910712099803321"The great cataract"3518413UNINA