Groundwater -- Pennsylvania -- Jefferson County Region -- QualitySee also what's at your library, or elsewhere.
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Filed under: Groundwater -- Pennsylvania -- Jefferson County Region -- Quality
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Filed under: Groundwater -- Pennsylvania -- Quality Geohydrology of southeastern Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey ;, 2002), by Dennis J. Low, Dawna Yannacci, Daniel J. Hippe, Pennsylvania. Bureau of Topographic and Geologic Survey, and Geological Survey (U.S.) (page images at HathiTrust) Radon in the ground water of Chester County, Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey, 1998), by Ronald A Sloto, Geological Survey (U.S.), Chester County (Pa.). Health Department, and Chester County Water Resources Authority (page images at HathiTrust) Naturally occurring radionuclides in the ground water of southeastern Pennsylvania ([U.S. Dept. of the Interior, U.S. Geological Survey], 2000), by Ronald A Sloto and Geological Survey (U.S.) (page images at HathiTrust) Geohydrology of southeastern Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey ;, 2002), by Dennis J. Low, Dawna Yannacci, Daniel J. Hippe, Pennsylvania. Bureau of Topographic and Geologic Survey, and Geological Survey (U.S.) (page images at HathiTrust)
Filed under: Groundwater -- Big Elk Creek Watershed (Pa. and Md.) -- Quality Geohydrology and ground-water quality, Big Elk Creek Basin, Chester County, Pennsylvania, and Cecil County, Maryland (U.S. Dept. of the Interior, U.S. Geological Survey ;, 2002), by Ronald A. Sloto, Geological Survey (U.S.), Chester County (Pa.). Health Department, and Chester County Water Resources Authority (page images at HathiTrust) Filed under: Groundwater -- Pennsylvania -- Adams County -- QualityFiled under: Groundwater -- Pennsylvania -- Bucks County -- QualityFiled under: Groundwater -- Pennsylvania -- Cumberland County -- Quality Hydrogeology, herbicides and nutrients in ground water and springs, and relation of water quality to land use and agricultural practices near Carlisle, Pennsylvania (U.S. Dept. of the Interior, U.S. Geological Survey ;, 1994), by Daniel J. Hippe, Rhonda M. Giovannitti, Emitt C. Witt, Geological Survey (U.S.), and Pennsylvania. Bureau of Water Quality Management (page images at HathiTrust) Filed under: Groundwater -- Pennsylvania -- Dauphin County -- QualityFiled under: Groundwater -- Pennsylvania -- Philadelphia Region -- QualityFiled under: Groundwater -- Pennsylvania -- Valley Forge National Historical Park -- Quality |