01818oam 2200421Ia 450 991069679750332120080820092745.0(CKB)5470000002380892(OCoLC)190846506(EXLCZ)99547000000238089220080116d2007 ua 0engurmn|||||||||txtrdacontentcrdamediacrrdacarrierEscherichia coli concentrations in recreational streams and backcountry drinking-water supplies in Shenandoah National Park, Virginia, 2005-2006[electronic resource] /by Kenneth E. Hyer ; prepared in cooperation with the National Park ServiceReston, Va. :U.S. Dept. of the Interior, U.S. Geological Survey,2007.iv, 18 pages digital, PDF fileScientific investigations report ;2007-5160Title from PDF title screen (viewed on Jan. 14, 2008).Includes bibliographical references.Escherichia coliEnvironmental aspectsVirginiaShenandoah National ParkDrinking waterContaminationVirginiaShenandoah National ParkWaterPollutionVirginiaShenandoah National ParkEscherichia coliEnvironmental aspectsDrinking waterContaminationWaterPollutionHyer Kenneth E(Kenneth Edward)1388495United States.National Park Service.Geological Survey (U.S.)GISGISGPOBOOK9910696797503321Escherichia coli concentrations in recreational streams and backcountry drinking-water supplies in Shenandoah National Park, Virginia, 2005-20063491532UNINA