01731nam 2200385 a 450 991070204450332120121026101108.0(CKB)5470000002423684(OCoLC)814391640(EXLCZ)99547000000242368420121025d2012 ua 0engurcn|||||||||txtrdacontentcrdamediacrrdacarrierGroundwater quality and simulation of sources of water to wells in the Marsh Creek Valley at the U.S. Geological Survey Northern Appalachian Research Laboratory, Tioga County, Pennsylvania[electronic resource] /by Dennis W. Risser and Kevin J. BreenReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2012.1 online resource (vii, 41 pages) color illustrations, color mapsScientific investigations report ;2012-5042Title from title screen (viewed on Oct. 25, 2012).Includes bibliographical references (pages 40-41).GroundwaterPollutionPennsylvaniaTioga CountyWaste disposal sitesEnvironmental aspectsMarsh Creek ValleyGroundwaterPollutionWaste disposal sitesEnvironmental aspectsRisser Dennis W1400915Breen Kevin J1392269Geological Survey (U.S.)GPOGPOBOOK9910702044503321Groundwater quality and simulation of sources of water to wells in the Marsh Creek Valley at the U.S. Geological Survey Northern Appalachian Research Laboratory, Tioga County, Pennsylvania3519649UNINA