1972. 2012-11-09T21:32:22Z. 2012-11-09T21:32:22Z. Wood, Gordon H. (Gordon Harry), 1919-. U.S. Geological Survey. English. Public. Pennsylvania and Schuylkill County.
Search Results
1972. 2012-11-09T20:30:09Z. 2023-02-09T21:27:14Z. Wood, Gordon H. (Gordon Harry), 1919-. The Survey. English. Public. Pennsylvania and Schuylkill County.
1971. 2012-03-14T14:47:40Z. 2012-03-27T23:59:11Z. Arndt, Harold H. U.S. Geological Survey. English. Public. Pennsylvania, Columbia County, and Schuylkill County.
1973. 2012-03-30T15:34:39Z. 2012-05-03T15:34:42Z. Wood, Gordon H. (Gordon Harry), 1919-. Geological Survey. English. Public. Pennsylvania and Schuylkill County.
1987. 2002-06-01T04:00:00Z. 2012-07-05T13:51:05Z. Geological Survey (U.S.). The Survey ; For sale by Branch of Distribution. English. Public. Pennsylvania, Schuylkill County, and Berks County.
1968. 2012-01-24T20:38:26Z. 2012-03-05T17:35:59Z. Trexler, J. Peter, 1926-. U.S. Geological Survey. English. Public. Pennsylvania, Northumberland County, Schuylkill County, and Dauphin County.
1968. 2012-01-24T20:40:33Z. 2012-03-05T17:35:59Z. Trexler, J. Peter, 1926-. U.S.Geological Survey. English. Public. Pennsylvania, Dauphin County, Schuylkill County, and Lebanon County.
8. Geologic map of the Minersville quadrangle, Schuylkill County, Pennsylvania [cartographic material]
1968. 2012-01-24T16:09:40Z. 2012-03-05T17:35:38Z. Wood, Gordon H. (Gordon Harry), 1919-. Geological Survey. English. Public. Pennsylvania and Schuylkill County.
1974. 2012-04-17T13:44:10Z. 2014-12-23T23:03:56Z. Wood, Gordon H. (Gordon Harry), 1919-. U.S. Geological Survey. English. Public. Pennsylvania, Carbon County, and Schuylkill County.
10. Geologic map of the Orwigsburg quadrangle, Schuylkill County, Pennsylvania [cartographic material]
1973. 2012-03-28T20:09:51Z. 2012-05-03T15:33:55Z. Wood, Gordon H. (Gordon Harry), 1919-. The Survey. English. Public. Pennsylvania and Schuylkill County.