Geologic Unit: Schaefferstown
Schaefferstown Formation of Conococheague Group (PA*)
Type section: Partial section measured in small quarry on west side of Schaefferstown just south of Route 897, Lebanon Co., PA (Gray and others, 1958).
Unit Name History:
Named (Gray and others, 1958). Revised to Schaefferstown Formation (Gray and others, 1960). Overview (Meisler, 1963). Overview (Berg and others, 1980).
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"No current usage" implies that a name has been abandoned or that it has fallen into disuse. Former usage and, if known, replacement name given in parentheses ().
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U.S. Department of the Interior, U.S. Geological Survey, Reston, VA, USA
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Last modified: 15-Jan-2013