01749nam 2200433 450 991071695510332120211109143019.0(CKB)5470000002526645(OCoLC)1284932736(EXLCZ)99547000000252664520211109d2010 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierContributions of phosphorus from groundwater to streams in the Piedmont, Blue Ridge, and Valley and Ridge physiographic provinces, eastern United States /by Judith M. Denver [and three others]Reston, Virginia :U.S. Department of the Interior, U.S. Geological Survey,2010.1 online resource (vii, 38 pages) color illustrations, color mapsScientific investigations report ;2010-5176"National Water-Quality Assessment Program."Includes bibliographical references (pages 34-38).WaterPollutionAppalachian RegionWaterPollutionPiedmont (U.S. : Region)PhosphorusAppalachian RegionPhosphorusPiedmont (U.S. : Region)WaterPollutionWaterPollutionPhosphorusPhosphorusDenver J. M.1390021Geological Survey (U.S.),National Water-Quality Assessment Program (U.S.)GPOGPOBOOK9910716955103321Contributions of phosphorus from groundwater to streams in the Piedmont, Blue Ridge, and Valley and Ridge physiographic provinces, eastern United States3455973UNINA