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.
Search Results
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.
3. 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.
1968. 2012-02-16T21:00:50Z. 2012-03-05T17:41:25Z. Roen, John B. U.S. Geological Survey. English. Public. Pennsylvania, Washington County, Alleghany County, and Westmoreland County.
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.
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.
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.
