01661nam 2200397Ka 450 991069762650332120081020144908.0(CKB)5470000002390700(OCoLC)262844938(EXLCZ)99547000000239070020081020d2001 ua 0engtxtrdacontentcrdamediacrrdacarrierAn alternative regionalization scheme for defining nutrient criteria for rivers and streams[electronic resource] /by Dale M. Robertson, David A. Saad, and Ann M. Wieben ; prepared in cooperation with the U.S. Environmental Protection Agency, Regions 5 and 7Middleton, Wis. :U.S. Dept. of the Interior, U.S. Geological Survey,2001.v, 57 pages digital, PDF fileWater-resources investigations report ;01-4073Title from title screen (viewed Oct. 20, 2008).Water qualityStandardsUnited StatesNutrient pollution of waterUnited StatesWater qualityStandardsNutrient pollution of waterRobertson Dale M1392706Saad David A1386393Wieben Ann M1420724United States.Environmental Protection Agency.Region V.United States.Environmental Protection Agency.Region VII.Geological Survey (U.S.)GPOGPOBOOK9910697626503321An alternative regionalization scheme for defining nutrient criteria for rivers and streams3539596UNINA