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035   $a(EXLCZ)995470000002378070
100   $a20080108d2007      ua             0
101 0 $aeng
135   $aurmn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aOccurrence of agricultural chemicals in shallow ground water and the unsaturated zone, northeast Nebraska glacial till, 2002-04$b[electronic resource] /$fby Jennifer S. Stanton, Gregory V. Steele, and Jason R. Vogel ; prepared as part of the National Water-Quality Assessment Program
210  1$aReston, Va. :$cU.S. Dept. of the Interior, U.S. Geological Survey,$d2007.
215   $aviii, 51 pages $cdigital, PDF file
225 1 $aScientific investigations report ;$v2007-5228
300   $aTitle from title screen (viewed on Feb. 15, 2008).
320   $aIncludes bibliographical references (pages 30-34).
606   $aAgricultural chemicals$xEnvironmental aspects$zNebraska
606   $aGroundwater$xPollution$zNebraska
615  0$aAgricultural chemicals$xEnvironmental aspects
615  0$aGroundwater$xPollution
700   $aStanton$b Jennifer S$01398793
701   $aSteele$b G. V$01395537
701   $aVogel$b J. R$01393434
712 02$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   $a9910696476903321
996   $aOccurrence of agricultural chemicals in shallow ground water and the unsaturated zone, northeast Nebraska glacial till, 2002-04$93462776
997   $aUNINA