01687oam 2200409Ia 450 991069633730332120080128113745.0(CKB)5470000002377460(OCoLC)128260233(EXLCZ)99547000000237746020070516d2007 ua 0engurmn||||m||||txtrdacontentcrdamediacrrdacarrierData for a regional approach to the development of an effects-based nutrient criterion for wadable streams[electronic resource] /J. Kent Crawford ... [and others] ; in cooperation with the U.S. Environmental Protection Agency and the Maryland Department of the EnvironmentReston, Va. :U.S. Geological Survey,2007.vi, 235 pages digital, PDF fileData series ;257Title from PDF title screen (viewed on May 15, 2007).Includes bibliographic references (page 12).Water qualityMiddle Atlantic StatesMeasurementNutrient pollution of waterMiddle Atlantic StatesMeasurementWater qualityMeasurement.Nutrient pollution of waterMeasurement.Crawford J. Kent1387586United States.Environmental Protection Agency.Maryland.Department of the Environment.Geological Survey (U.S.)GISGISGPOBOOK9910696337303321Data for a regional approach to the development of an effects-based nutrient criterion for wadable streams3473124UNINA