Online Books by
Southern Alleghenies Conservancy
Books from the extended shelves:
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Southern Alleghenies Conservancy: Determining sources of water and contaminants to wells in a carbonate aquifer near Martinsburg, Blair County, Pennsylvania, by use of geochemical indicators, analysis of anthropogenic contaminants, and simulation of ground-water flow (U.S. Dept. of the Interior, U.S. Geological Survey ;, 2004), also by Bruce D. Lindsey, Michele L. Koch, Geological Survey (U.S.), and Martinsburg (Pa.) (page images at HathiTrust)
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