1968. 2012-01-24T16:11:35Z. 2012-03-05T17:35:38Z. Wood, Gordon H. (Gordon Harry), 1919-. Geological Survey. English. Public. Pennsylvania, Schuylkill County, Lebanon County, and Berks County.
Search Results
1969. 2012-02-22T16:01:07Z. 2012-02-22T16:01:07Z. Wood, Gordon H. (Gordon Harry), 1919-. The Survey. English. Public. Pennsylvania and Schuylkill County.
1968. 2012-01-24T16:07:09Z. 2012-03-05T17:35:38Z. Wood, Gordon H. (Gordon Harry), 1919-. U.S. Geological Survey. English. Public. Pennsylvania, Schuylkill County, and Berks County.
1974. 2012-04-17T14:35:12Z. 2014-12-23T23:03:57Z. Wood, Gordon H. (Gordon Harry), 1919-. U.S. Geological Survey. English. Public. Pennsylvania, Carbon County, and Schuylkill County.
1968. 2012-01-24T20:34:22Z. 2012-03-05T17:35:58Z. Wood, Gordon H. (Gordon Harry), 1919-. U.S. Geological Survey. English. Public. Pennsylvania, Schuylkill County, Dauphin County, and Lebanon County.
1968. 2012-01-24T16:38:14Z. 2012-03-05T17:35:51Z. Geological Survey (U.S.). The Survey. English. Public. Pennsylvania, Northumberland County, and Schuylkill County.
1968. 2012-01-24T20:35:55Z. 2012-03-05T17:35:59Z. Trexler, J. Peter, 1926-. Geological Survey. English. Public. Pennsylvania, Schuylkill County, and Northumberland County.
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.
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.