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100   $a20101115d1998      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aAssessment of ground-water vulnerability to atrazine leaching in Kent County, Michigan $ereview, comparison of results of other studies and verification /$fby D.J. Holtschlag and C.L. Luukkonen ; prepared in cooperation with the Michigan Department of Agriculture
210  1$aLansing, Michigan :$cU.S. Geological Survey,$d1998.
215   $a1 online resource (v, 32 pages) $cillustrations
225 1 $aWater-resources investigations report ;$v98-4006
320   $aIncludes bibliographical references (pages 26-32).
517   $aAssessment of ground-water vulnerability to atrazine leaching in Kent County, Michigan 
606   $aAtrazine$xEnvironmental aspects$zMichigan$zKent County
606   $aGroundwater$xPollution$zMichigan$zKent County
606   $aAtrazine$xEnvironmental aspects$2fast
606   $aGroundwater$xPollution$2fast
607   $aMichigan$zKent County$2fast
615  0$aAtrazine$xEnvironmental aspects
615  0$aGroundwater$xPollution
615  7$aAtrazine$xEnvironmental aspects.
615  7$aGroundwater$xPollution.
700   $aHoltschlag$b David J.$01380741
702   $aLuukkonen$b C. L$g(Carol L.),
712 02$aGeological Survey (U.S.),
712 02$aMichigan.$bDepartment of Agriculture.
801  0$bOCLCE
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906   $aBOOK
912   $a9910716708503321
996   $aAssessment of ground-water vulnerability to atrazine leaching in Kent County, Michigan$93542780
997   $aUNINA