02367oam 2200553 450 991071592290332120210421105844.0(CKB)5470000002516869(OCoLC)681971619(OCoLC)622017437(OCoLC)667913776(OCoLC)974647651(OCoLC)1153330273(OCoLC)995470000002516869(EXLCZ)99547000000251686920101117d1993 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierWater quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 1991 /by Stephen J. Kalkhoff ; prepared in cooperation with Iowa Department of Natural Resources (Geological Survey Bureau), U.S. Environmental Protection Agency, U.S. Department of AgricultureIowa City, Iowa :U.S. Geological Survey,1993.1 online resource (vi, 36 pages) illustrations, mapsWater-resources investigations report ;93-4099Includes bibliographical references (pages 35-36).Water qualityIowaWayne CountyAgricultural chemicalsEnvironmental aspectsIowaWayne CountyAgricultural chemicalsEnvironmental aspectsfastWater qualityfastIowaWayne CountyfastWater qualityAgricultural chemicalsEnvironmental aspectsAgricultural chemicalsEnvironmental aspects.Water quality.Kalkhoff Stephen J.1396393Geological Survey (U.S.),Iowa.Department of Natural Resources.Geological Survey Bureau.United States.Environmental Protection Agency.United States.Department of Agriculture.OCLCEOCLCEOCLCQOCLCOOCLCFOCLCQCOPOCLCAGPOBOOK9910715922903321Water quality of Corydon Reservoir before implementation of agricultural best-management practices in the basin, Wayne County, Iowa, September 1990 to September 19913456430UNINA