01932oam 2200541 450 991071390230332120201030094813.0(CKB)5470000002506645(OCoLC)681272330(OCoLC)624932249(OCoLC)667891330(OCoLC)974643829(OCoLC)995470000002506645(EXLCZ)99547000000250664520101113d1986 ua 0engurbn|||||||||txtrdacontentcrdamediacrrdacarrierTemporal changes in sulfate, chloride, and sodium concentrations in four eastern Pennsylvania streams /by James L. BarkerHarrisburg, Pennsylvania :U.S. Geological Survey,1986.1 online resource (iv, 22 pages) illustrations, 1 mapWater-resources investigations report ;85-4074Includes bibliographical references (page 22).RiversPennsylvaniaLand useEnvironmental aspectsPennsylvaniaAcid pollution of rivers, lakes, etcPennsylvaniaAcid pollution of rivers, lakes, etcfastLand useEnvironmental aspectsfastPennsylvaniafastRiversLand useEnvironmental aspectsAcid pollution of rivers, lakes, etc.Acid pollution of rivers, lakes, etc.Land useEnvironmental aspects.Barker James L.1936-1419434Geological Survey (U.S.),OCLCEOCLCEOCLCQOCLCFOCLCOOCLCQCOPOCLCAGPOBOOK9910713902303321Temporal changes in sulfate, chloride, and sodium concentrations in four eastern Pennsylvania streams3549696UNINA