01555nam 2200361Ka 450 991069763080332120081017152140.0(CKB)5470000002390657(OCoLC)262698556(EXLCZ)99547000000239065720081017d2001 ua 0engtxtrdacontentcrdamediacrrdacarrierIsotopic and chemical composition of inorganic and organic water-quality samples from the Mississippi River basin, 1997-98[electronic resource] /by William A. Battaglin ... [and others] ; prepared in cooperation with the U.S. Environmental Protection Agency, Gulf of Mexico ProgramDenver, Colo. :U.S. Dept. of the Interior, U.S. Geological Survey,2001.v, 57 pages digital, PDF fileWater-resources investigations report ;01-4095Title from title screen (viewed Oct. 17, 2008).Nutrient pollution of waterMississippi River WatershedWaterNitrogen contentMississippi River WatershedNutrient pollution of waterWaterNitrogen contentBattaglin William A1382874Gulf of Mexico Program (U.S.)Geological Survey (U.S.)GPOGPOBOOK9910697630803321Isotopic and chemical composition of inorganic and organic water-quality samples from the Mississippi River basin, 1997-983469842UNINA