LEADER 02738oam 2200637 450 001 9910690012503321 005 20190226085729.0 035 $a(CKB)5470000002335142 035 $a(OCoLC)965932348 035 $a(OCoLC)995470000002335142 035 $a(EXLCZ)995470000002335142 100 $a20161213d1995 ua 0 101 0 $aeng 135 $aurmn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aPostflood occurrence of selected agricultural chemicals and volatile organic compounds in near-surface unconsolidated aquifers in the upper Mississippi River Basin, 1993 /$fby Dana W. Kolpin and E. Michael Thurman 210 1$a[Reston, Virginia] :$cU.S. Department of the Interior, U.S. Geological Survey,$d1995. 210 3$a[Washington, D.C.] :$cUnited States Government Printing Office,$d1995. 215 $a1 online resource (vi, 20 pages) $cillustrations (some color), maps 225 1 $aU.S. Geological Survey circular ;$v1120-G 225 1 $aFloods in the upper Mississippi River basin, 1993 ;$vG 320 $aIncludes bibliographical references (pages 19-20). 606 $aAgricultural chemicals$xEnvironmental aspects$zMississippi River Watershed 606 $aAgricultural pollution$zMississippi River Watershed 606 $aVolatile organic compounds$xEnvironmental aspects$zMississippi River Watershed 606 $aGroundwater$xPollution$zMississippi River Watershed 606 $aAquifers$zMississippi River Watershed 606 $aAgricultural chemicals$xEnvironmental aspects$2fast 606 $aAquifers$2fast 606 $aGroundwater$xPollution$2fast 606 $aVolatile organic compounds$xEnvironmental aspects$2fast 607 $aMississippi River Watershed$2fast 615 0$aAgricultural chemicals$xEnvironmental aspects 615 0$aAgricultural pollution 615 0$aVolatile organic compounds$xEnvironmental aspects 615 0$aGroundwater$xPollution 615 0$aAquifers 615 7$aAgricultural chemicals$xEnvironmental aspects. 615 7$aAquifers. 615 7$aGroundwater$xPollution. 615 7$aVolatile organic compounds$xEnvironmental aspects. 700 $aKolpin$b Dana W.$01383040 702 $aThurman$b E. M$g(Earl Michael),$f1946- 712 02$aGeological Survey (U.S.), 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCA 801 2$bCOP 801 2$bGPO 906 $aBOOK 912 $a9910690012503321 996 $aPostflood occurrence of selected agricultural chemicals and volatile organic compounds in near-surface unconsolidated aquifers in the upper Mississippi River Basin, 1993$93497292 997 $aUNINA