01698oam 2200445Ia 450 991069803360332120100225082421.0(CKB)5470000002394669(OCoLC)310102115(EXLCZ)99547000000239466920090220d2008 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierNutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin[electronic resource] /by Dale M. Robertson, Brian M. Weigel, and David J. Graczyk ; in cooperation with the Wisconsin Department of Natural ResourcesReston, Va. :U.S. Geological Survey,2008.xii, 81 pages digital, PDF fileProfessional paper ;1754Title from title screen (viewed Feb. 20, 2009).Includes bibliographical references (pages 72-75).Water quality biological assessmentWisconsinNutrient pollution of waterWisconsinWater quality biological assessmentNutrient pollution of waterRobertson Dale M1392706Weigel Brian M1403566Graczyk David J1385426Wisconsin.Department of Natural Resources.Geological Survey (U.S.)GPOGPOGPOWAUGPOBOOK9910698033603321Nutrient concentrations and their relations to the biotic integrity of nonwadeable rivers in Wisconsin3476508UNINA