LEADER 01809oam 2200517 450 001 9910706915503321 005 20180501095101.0 035 $a(CKB)5470000002460326 035 $a(OCoLC)896810768 035 $a(OCoLC)995470000002460326 035 $a(EXLCZ)995470000002460326 100 $a20141123d1980 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 12$aA field calibration of the sediment-trapping characteristics of the Helley-Smith bedload sampler /$fby William W. Emmett 210 1$aWashington :$cUnited States Department of the Interior, Geological Survey,$d1980. 215 $a1 online resource (44 pages) $cillustrations 225 1 $aGeological Survey professional paper ;$v1139 300 $aTitle from title screen (viewed October 9, 2014). 300 $a"Studies of bedload transport in river channels." 320 $aIncludes bibliographical references (pages 27-28). 517 3 $aHelley-Smith bedload sampler 606 $aBed load$xMeasurement 606 $aHydrology$xInstruments 606 $aRiver channels 606 $aBed load$xMeasurement$2fast 606 $aHydrology$xInstruments$2fast 615 0$aBed load$xMeasurement. 615 0$aHydrology$xInstruments. 615 0$aRiver channels. 615 7$aBed load$xMeasurement. 615 7$aHydrology$xInstruments. 700 $aEmmett$b William W.$01408939 712 02$aGeological Survey (U.S.), 801 0$bCOP 801 1$bCOP 801 2$bOCLCO 801 2$bOCLCF 801 2$bGPO 906 $aBOOK 912 $a9910706915503321 996 $aA field calibration of the sediment-trapping characteristics of the Helley-Smith bedload sampler$93513343 997 $aUNINA