LEADER 01778oam 2200517 450 001 9910712099803321 005 20190321093002.0 035 $a(CKB)5470000002489099 035 $a(OCoLC)439825168 035 $a(EXLCZ)995470000002489099 100 $a20080219d1996 ma 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 15$a"The great cataract" $eeffects of late holocene debris flows on Lava Falls Rapid, Grand Canyon National Park, Arizona /$fby Robert H. Webb [and four others] ; prepared in cooperation with the Bureau of Reclamation 210 1$aTucson, Arizona :$cU.S. Department of the Interior, U.S. Geological Survey,$d1996. 215 $a1 online resource (iv, 96 pages, 13 unnumbered pages) $cillustrations, maps 225 1 $aU.S. Geological Survey open-file report ;$v96-460 320 $aIncludes bibliographical references (pages 91-96). 517 $aGreat cataract" 606 $aGeology$zArizona$zGrand Canyon National Park 606 $aLava flows$zArizona$zLava Falls Rapids 606 $aGeology, Stratigraphic$yHolocene 606 $aGeology$2fast 607 $aArizona$zGrand Canyon National Park$2fast 615 0$aGeology 615 0$aLava flows 615 0$aGeology, Stratigraphic 615 7$aGeology. 676 $a557.9132 700 $aWebb$b Robert H.$0123725 712 02$aGeological Survey (U.S.), 712 02$aUnited States.$bBureau of Reclamation. 801 0$bB@L 801 1$bB@L 801 2$bOCLCQ 801 2$bOCLCF 801 2$bOCLCO 801 2$bOCLCQ 801 2$bGPO 906 $aBOOK 912 $a9910712099803321 996 $a"The great cataract"$93518413 997 $aUNINA