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Publications are the cornerstone of the Pennsylvania Water Science Center’s dissemination of scientific data and conclusions. You can access USGS publications and journal articles here. 

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Ground-water problems in the Philadelphia area [Pennsylvania]

Large quantities of ground water are used by the Philadelphia Naval Base and many industries in south Philadelphia, as well as by municipalities near Philadelphia in both Pennsylvania and New Jersey.The areal contact between unconsolidated sand, gravel, and clay strata of the Atlantic Coastal Plain and consolidated rocks of the Piedmont province extends in a northeast-southwest line through centra