01992oam 2200433Ia 450 991069677890332120081001125916.0(CKB)5470000002381080(OCoLC)244567585(EXLCZ)99547000000238108020080828d2005 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierEffects of historical coal mining and drainage from abandoned mines on streamflow and water quality in Bear Creek, Dauphin County, Pennsylvania--March 1999-December 2002[electronic resource] /by Jeffrey J. Chaplin ; in cooperation with the Dauphin County Conservation DistrictReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2005.vi, 45 pages digital, PDF fileScientific investigations report ;2005-5042Title from title screen (viewed on Aug. 28, 2008).Includes bibliographical references (pages 43-45).Coal mines and miningEnvironmental aspectsPennsylvaniaBear Creek (Dauphin County)Mine drainageEnvironmental aspectsPennsylvaniaBear Creek (Dauphin County)WaterPollutionPennsylvaniaBear Creek (Dauphin County)Bear Creek (Dauphin County, Pa.)Environmental conditionsCoal mines and miningEnvironmental aspectsMine drainageEnvironmental aspectsWaterPollutionChaplin Jeffrey J1386645Dauphin County Conservation District (Pa.)Geological Survey (U.S.)GPOGPOGPOBOOK9910696778903321Effects of historical coal mining and drainage from abandoned mines on streamflow and water quality in Bear Creek, Dauphin County, Pennsylvania--March 1999-December 20023435711UNINA