02283oam 2200625 450 991071537450332120210218090036.0(CKB)5470000002510287(OCoLC)682004888(OCoLC)622325049(OCoLC)667850898(OCoLC)974646859(OCoLC)1153329798(OCoLC)995470000002510287(EXLCZ)99547000000251028720101117d1990 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierWater quality of alluvial aquifers, Carroll and Guthrie counties, Iowa, with emphasis on the occurrence of nitrate and pesticides, 1986-87 /by Mark G. Detroy [and three others] ; prepared in cooperation with the Carroll County Health Department [and others]Iowa City, Iowa :U.S. Geological Survey,1990.1 online resource (viii, 52 pages) illustrations, mapsWater-resources investigations report ;89-4186Includes bibliographical references (page 37).GroundwaterIowaCarroll CountyGroundwaterIowaGuthrie CountyWater qualityIowaCarroll CountyWater qualityIowaGuthrie CountyAquifersIowaCarroll CountyAquifersIowaGuthrie CountyGroundwaterfastWater qualityfastIowaCarroll CountyfastIowaGuthrie CountyfastGroundwaterGroundwaterWater qualityWater qualityAquifersAquifersGroundwater.Water quality.Detroy Mark G.1416896Geological Survey (U.S.),Carroll County (Iowa).Health Department.OCLCEOCLCEOCLCQOCLCOOCLCFOCLCQCOPGPOBOOK9910715374503321Water quality of alluvial aquifers, Carroll and Guthrie counties, Iowa, with emphasis on the occurrence of nitrate and pesticides, 1986-873533865UNINA