Publisher: U.S. Geological Survey / Subject: Anthracite coal - Yale University Library GeoBlacklight Search Results

Start Over Publisher U.S. Geological Survey Subject Anthracite coal

1. Geologic map of anthracite-bearing rocks in the north part of the Orwigsburg quadrangle, Schuylkill County, Pennsylvania

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.

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1. Geologic map of anthracite-bearing rocks in the north part of the Orwigsburg quadrangle, Schuylkill County, Pennsylvania

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