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035   $a(EXLCZ)995470000002401693
100   $a20091224d2009      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aUpdate of watershed regressions for pesticides (WARP) for predicting atrazine concentration in streams$b[electronic resource] /$fby Wesley W. Stone and Robert J. Gilliom
210  1$aReston, Va. :$cU.S. Geological Survey,$d2009.
215   $a1 online resource (viii, 22 pages) $cillustrations, maps
225 1 $aOpen-file report ;$v2009-1122
300   $aTitle from title screen (viewed Sept. 4, 2009).
320   $aIncludes bibliographical references (pages 21-22).
410  0$aU.S. Geological Survey open-file report ;$v2009-1122.
517   $aUpdate of watershed regressions for pesticides 
606   $aWatershed ecology$xEnvironmental aspects$zUnited States$xForecasting
606   $aAtrazine$xEnvironmental aspects$zUnited States$xMeasurement
606   $aPesticides$xEnvironmental aspects$zUnited States$xMeasurement
606   $aWater$xPollution$zUnited States$xMeasurement
615  0$aWatershed ecology$xEnvironmental aspects$xForecasting.
615  0$aAtrazine$xEnvironmental aspects$xMeasurement.
615  0$aPesticides$xEnvironmental aspects$xMeasurement.
615  0$aWater$xPollution$xMeasurement.
700   $aStone$b Wesley W$01420929
701   $aGilliom$b Robert J$01384354
712 02$aGeological Survey (U.S.)
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910699221603321
996   $aUpdate of watershed regressions for pesticides (WARP) for predicting atrazine concentration in streams$93548614
997   $aUNINA