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001 9910716748403321
005 20210927091511.0
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035   $a(OCoLC)1264226256
035   $a(EXLCZ)995470000002524692
100   $a20210818d2021      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aInstruments, methods, rationale, and derived data used to quantify and compare the trapping efficiencies of four types of pressure-difference bedload samplers /$fby John R. Gray [and four others]
210  1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2021.
215   $a1 online resource (vii, 61 pages) $cillustrations (some color)
225 1 $aOpen-file report ;$v2021-1064
320   $aIncludes bibliographical references (pages 36-41).
606   $aBed load$xSampling
606   $aSuspended sediments$xMeasurement
606   $aHydrological instruments$xEvaluation
606   $aSuspended sediments$xMeasurement$2fast
615  0$aBed load$xSampling.
615  0$aSuspended sediments$xMeasurement.
615  0$aHydrological instruments$xEvaluation.
615  7$aSuspended sediments$xMeasurement.
700   $aGray$b John R.$f1951-$01383504
712 02$aGeological Survey (U.S.),
801  0$bGPO
801  1$bGPO
801  2$bOCLCO
801  2$bOCLCF
801  2$bGPO
906   $aBOOK
912   $a9910716748403321
996   $aInstruments, methods, rationale, and derived data used to quantify and compare the trapping efficiencies of four types of pressure-difference bedload samplers$93501563
997   $aUNINA