01981oam 2200529 450 991071661230332120210914132614.0(CKB)5470000002524047(OCoLC)680179644(OCoLC)631765322(OCoLC)667912127(OCoLC)966434649(OCoLC)995470000002524047(EXLCZ)99547000000252404720101107d1997 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEstimation and analysis of nutrient and suspended-sediment loads at selected sites in the Potomac River Basin, 1993-95 /by Joy S. Lizárraga ; prepared as part of the National Water-Quality Assessment (NAWQA) ProgramBaltimore, Maryland :U.S. Geological Survey,1997.1 online resource (vi, 23 pages) illustrations (some color), color mapsWater-resources investigations report ;97-4154Includes bibliographical references (page 23).Nutrient pollution of waterPotomac River WatershedSuspended sedimentsPotomac River WatershedNutrient pollution of waterfastSuspended sedimentsfastNutrient pollution of waterSuspended sedimentsNutrient pollution of water.Suspended sediments.Lizárraga Joy S.1420176Geological Survey (U.S.),National Water-Quality Assessment Program (U.S.)OCLCEOCLCEOCLCQOCLCOOCLCQCOPOCLCFOCLCAOCLGPOBOOK9910716612303321Estimation and analysis of nutrient and suspended-sediment loads at selected sites in the Potomac River Basin, 1993-953537118UNINA