02242oam 2200577 450 991071657510332120210611103732.0(CKB)5470000002522402(OCoLC)681415194(OCoLC)622343840(OCoLC)667870690(OCoLC)984765579(OCoLC)995470000002522402(EXLCZ)99547000000252240220101115d1997 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierTrends in nutrient concentration and load for streams in the Mississippi River Basin, 1974-94 /by D.L. Lurry and D.D. Dunn ; prepared in cooperation with the U.S. Environmental Protection Agency, Gulf of Mexico Program, Nutrient Enrichment Issue CommitteeAustin, Texas :U.S. Geological Survey,1997.1 online resource (iv, 62 pages) illustrations, maps hereWater-resources investigations report ;97-4223Includes bibliographical references (pages 21-22).Nutrient pollution of waterMississippi River ValleyWaterPhosphorus contentMississippi River ValleyWaterNitrogen contentMississippi River ValleyNutrient pollution of waterfastWaterNitrogen contentfastWaterPhosphorus contentfastMississippi River ValleyfastNutrient pollution of waterWaterPhosphorus contentWaterNitrogen contentNutrient pollution of water.WaterNitrogen content.WaterPhosphorus content.Lurry Dee L.1415410Dunn David D.Geological Survey (U.S.),Gulf of Mexico Program (U.S.).Nutrient Enrichment Committee.OCLCEOCLCEOCLCQOCLCFOCLCOOCLCQCOPGPOBOOK9910716575103321Trends in nutrient concentration and load for streams in the Mississippi River Basin, 1974-943540373UNINA