LEADER 01981oam 2200529 450 001 9910716612303321 005 20210914132614.0 035 $a(CKB)5470000002524047 035 $a(OCoLC)680179644$z(OCoLC)631765322$z(OCoLC)667912127$z(OCoLC)966434649 035 $a(OCoLC)995470000002524047 035 $a(EXLCZ)995470000002524047 100 $a20101107d1997 ua 0 101 0 $aeng 135 $aurbn||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aEstimation and analysis of nutrient and suspended-sediment loads at selected sites in the Potomac River Basin, 1993-95 /$fby Joy S. Liza?rraga ; prepared as part of the National Water-Quality Assessment (NAWQA) Program 210 1$aBaltimore, Maryland :$cU.S. Geological Survey,$d1997. 215 $a1 online resource (vi, 23 pages) $cillustrations (some color), color maps 225 1 $aWater-resources investigations report ;$v97-4154 320 $aIncludes bibliographical references (page 23). 606 $aNutrient pollution of water$zPotomac River Watershed 606 $aSuspended sediments$zPotomac River Watershed 606 $aNutrient pollution of water$2fast 606 $aSuspended sediments$2fast 615 0$aNutrient pollution of water 615 0$aSuspended sediments 615 7$aNutrient pollution of water. 615 7$aSuspended sediments. 700 $aLiza?rraga$b Joy S.$01420176 712 02$aGeological Survey (U.S.), 712 02$aNational Water-Quality Assessment Program (U.S.) 801 0$bOCLCE 801 1$bOCLCE 801 2$bOCLCQ 801 2$bOCLCO 801 2$bOCLCQ 801 2$bCOP 801 2$bOCLCF 801 2$bOCLCA 801 2$bOCL 801 2$bGPO 906 $aBOOK 912 $a9910716612303321 996 $aEstimation and analysis of nutrient and suspended-sediment loads at selected sites in the Potomac River Basin, 1993-95$93537118 997 $aUNINA