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1975. 2013-06-14T20:30:56Z. 2013-06-26T19:51:28Z. Schweinfurth, Stanley P. U.S. Geological Survey. English. Public. Pennsylvania and Washington County.
1990. 2002-06-01T04:00:00Z. 2012-07-05T15:54:54Z. Geological Survey (U.S.). The Survey ; For sale by Map Distribution. English. Public. Pennsylvania, Northampton County, and Monroe County.
1987. 2002-06-01T04:00:00Z. 2002-06-01T04:00:00Z. Geological Survey (U.S.). The Survey. English. Public. Pennsylvania.
1968. 2012-10-09T17:15:27Z. 2013-03-18T22:22:35Z. Wood, Gordon H. (Gordon Harry), 1919-. The Survey. English. Public. Pennsylvania and Schuylkill County.
2003. 2008-08-18T19:41:20Z. 2011-03-28T19:47:07Z. Miles, Christine E. (Christine Elizabeth). Interior--Geological Survey. English. Public. Pennsylvania.
1878. 2018-05-24T19:33:21Z. 2018-09-05T19:39:46Z. Geological Survey of Pennsylvania. Second Geological Survey of Pennsylvania. English. cartographic image. Public. Pennsylvania, Fayette County, Fayette County (Pa.), and Fayette County.
1951. 2018-06-22T18:55:48Z. 2018-06-22T18:55:48Z. Rothrock, Howard Eugene, 1893-. U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Pennsylvania, Columbia County, Schuylkill County, Columbia County., and Schuylkill County.
1954. 2018-06-21T19:48:45Z. 2018-06-21T19:48:45Z. Haley, Boyd Raymond, 1922-. Dept. of the Interior, U.S. Geological Survey. English. cartographic image. Public. Pennsylvania, Columbia County, Schuylkill County, Columbia County., and Schuylkill County.
1953. 2018-06-21T20:08:01Z. 2018-06-21T20:08:01Z. Rothrock, Howard Eugene, 1893-. U.S. Dept. of the Interior, Geological Survey. English. cartographic image. Public. Pennsylvania, Northumberland County, Schuylkill County, Northumberland County., and Schuylkill County.