01671nam 2200373Ka 450 991069777510332120081029114922.0(CKB)5470000002391219(OCoLC)264735257(EXLCZ)99547000000239121920081029d2001 ua 0engtxtrdacontentcrdamediacrrdacarrierConcentration of selected sulfonylurea, sulfonamide, and imidazolinone herbicides, other pesticides, and nutrients in 71 streams, 5 reservoir outflows, and 25 wells in the midwestern United States, 1998[electronic resource] /by W.A. Battaglin, E.T. Furlong, and M.R. BurkhardtDenver, Colo. :U.S. Dept. of the Interior, U.S. Geological Survey,2001.vi, 123 pages digital, PDF fileWater-resources investigations report ;00-4225Title from title screen (viewed Oct. 29, 2008).HerbicidesEnvironmental aspectsMiddle WestNutrient pollution of waterMiddle WestHerbicidesEnvironmental aspectsNutrient pollution of waterBattaglin William A1382874Furlong Edward T1403544Burkhardt M. R(Mark R.)1389216Geological Survey (U.S.)GPOGPOBOOK9910697775103321Concentration of selected sulfonylurea, sulfonamide, and imidazolinone herbicides, other pesticides, and nutrients in 71 streams, 5 reservoir outflows, and 25 wells in the midwestern United States, 19983491569UNINA