Author: Trexler, J. Peter, 1926- / Spatial Coverage: Northumberland County - Yale University Library GeoBlacklight Search Results

Start Over Author Trexler, J. Peter, 1926- Spatial Coverage Northumberland County

1. Geologic map of the Klingerstown quadrangle, Northumberland, Schuylkill, and Dauphin counties, Pennsylvania [cartographic material]

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.

2. Geologic map of the Valley View quadrangle, Schuykill and Northumberland Counties, Pennsylvania [cartographic material]

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.

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