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001 9910713596803321
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035   $a(OCoLC)995470000002501691
035   $a(EXLCZ)995470000002501691
100   $a20161219d1988      ua             0
101 0 $aeng
135   $aurbn|||||||||
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 10$aOccurrence and distribution of nitrate and herbicides in the Iowa River alluvial aquifer, Iowa--May 1984 to November 1985 /$fby Mark G. Detroy and Ronald L. Kuzniar
210  1$aIowa City, Iowa :$cU.S. Geological Survey,$d1988.
215   $a1 online resource (vi, 93 pages) $cillustrations, maps
225 1 $aWater-resources investigations report ;$v88-4117
300   $a"Prepared in cooperation with University of Iowa Hygienic Laboratory and Iowa Department of Natural Resources, Geological Survey Bureau."
320   $aIncludes bibliographical references (page 32).
606   $aGroundwater$xPollution$zIowa
606   $aPollution$zIowa$zIowa River
606   $aNitrates$xEnvironmental aspects$zIowa
606   $aHerbicides$xEnvironmental aspects$zIowa
606   $aAquifers$zIowa
606   $aAquifers$2fast
606   $aGroundwater$xPollution$2fast
606   $aHerbicides$xEnvironmental aspects$2fast
606   $aNitrates$xEnvironmental aspects$2fast
607   $aIowa$2fast
607   $aIowa$zIowa River$2fast
615  0$aGroundwater$xPollution
615  0$aPollution
615  0$aNitrates$xEnvironmental aspects
615  0$aHerbicides$xEnvironmental aspects
615  0$aAquifers
615  7$aAquifers.
615  7$aGroundwater$xPollution.
615  7$aHerbicides$xEnvironmental aspects.
615  7$aNitrates$xEnvironmental aspects.
700   $aDetroy$b Mark G.$01416896
702   $aKuzniar$b Ronald L.
712 02$aGeological Survey (U.S.),
712 02$aUniversity of Iowa.$bHygienic Laboratory.
712 02$aIowa.$bDepartment of Natural Resources.$bGeological Survey Bureau.
801  0$bCOP
801  1$bCOP
801  2$bOCLCO
801  2$bOCLCF
801  2$bOCLCA
801  2$bGPO
906   $aBOOK
912   $a9910713596803321
996   $aOccurrence and distribution of nitrate and herbicides in the Iowa River alluvial aquifer, Iowa--May 1984 to November 1985$93523767
997   $aUNINA