02543oam 2200601 450 991071378590332120200723090538.0(CKB)5470000002503821(OCoLC)680901487(OCoLC)974648691(OCoLC)995470000002503821(EXLCZ)99547000000250382120101111d1996 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierEvaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania hydrology of a small carbonate site near Ephrata, Pennsylvania, prior to implementation of nutrient management /by Edward H. Koerkle [and four others]Lemoyne, Pennsylvania :U.S. Geological Survey,1996.1 online resource (viii, 88 pages) illustrations, mapsWater-resources investigations report ;93-4173Water-quality study of the Conestoga River Headwaters, Pennsyvlania"Prepared in cooperation with the Pennsylvania Department of Environmental Protection."Includes bibliographical references (pages 86-88).Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania Water qualityPennsylvaniaConestoga River WatershedNutrient pollution of waterPennsylvaniaConestoga River WatershedAgricultureEnvironmental aspectsPennsylvaniaConestoga River WatershedAgricultureEnvironmental aspectsfastNutrient pollution of waterfastWater qualityfastPennsylvaniaConestoga River WatershedfastWater qualityNutrient pollution of waterAgricultureEnvironmental aspectsAgricultureEnvironmental aspects.Nutrient pollution of water.Water quality.Koerkle Edward H.1407213Geological Survey (U.S.),Pennsylvania.Department of Environmental Protection.OCLCEOCLCEOCLCQOCLCFOCLCOOCLCQCOPGPOBOOK9910713785903321Evaluation of agricultural best-management practices in the Conestoga River headwaters, Pennsylvania3549692UNINA