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100   $a20060323d2006      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aDevelopment and application of a regression equation for estimating the occurrence of atrazine in shallow ground water beneath agricultural areas of the United States$b[electronic resource] /$fby Paul E. Stackelberg ... [and others]
210  1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2006.
215   $avi, 12 pages $cdigital, PDF file
225 1 $aScientific investigations report ;$v2005-5287
300   $aTitle from PDF title screen (viewed on Mar. 23, 2006).
300   $a"National Water-Quality Assessment Program."
320   $aIncludes bibliographical references (pages 11-12).
606   $aAtrazine$xEnvironmental aspects$zUnited States$xMathematical models
606   $aGroundwater$xPollution$zUnited States$xMathematical models
606   $aWater$xPollution potential$zUnited States$xMathematical models
615  0$aAtrazine$xEnvironmental aspects$xMathematical models.
615  0$aGroundwater$xPollution$xMathematical models.
615  0$aWater$xPollution potential$xMathematical models.
701   $aStackelberg$b Paul E$01396796
712 02$aNational Water-Quality Assessment Program (U.S.)
712 02$aGeological Survey (U.S.)
801  0$bGIS
801  1$bGIS
801  2$bGPO
906   $aBOOK
912   $a9910697327803321
996   $aDevelopment and application of a regression equation for estimating the occurrence of atrazine in shallow ground water beneath agricultural areas of the United States$93457477
997   $aUNINA