LEADER 01749nam 2200433 450 001 9910716955103321 005 20211109143019.0 035 $a(CKB)5470000002526645 035 $a(OCoLC)1284932736 035 $a(EXLCZ)995470000002526645 100 $a20211109d2010 ua 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aContributions of phosphorus from groundwater to streams in the Piedmont, Blue Ridge, and Valley and Ridge physiographic provinces, eastern United States /$fby Judith M. Denver [and three others] 210 1$aReston, Virginia :$cU.S. Department of the Interior, U.S. Geological Survey,$d2010. 215 $a1 online resource (vii, 38 pages) $ccolor illustrations, color maps 225 1 $aScientific investigations report ;$v2010-5176 300 $a"National Water-Quality Assessment Program." 320 $aIncludes bibliographical references (pages 34-38). 606 $aWater$xPollution$zAppalachian Region 606 $aWater$xPollution$zPiedmont (U.S. : Region) 606 $aPhosphorus$zAppalachian Region 606 $aPhosphorus$zPiedmont (U.S. : Region) 615 0$aWater$xPollution 615 0$aWater$xPollution 615 0$aPhosphorus 615 0$aPhosphorus 700 $aDenver$b J. M.$01390021 712 02$aGeological Survey (U.S.), 712 02$aNational Water-Quality Assessment Program (U.S.) 801 0$bGPO 801 1$bGPO 906 $aBOOK 912 $a9910716955103321 996 $aContributions of phosphorus from groundwater to streams in the Piedmont, Blue Ridge, and Valley and Ridge physiographic provinces, eastern United States$93455973 997 $aUNINA