Subject: Coal / Year: 1972 - Yale University Library GeoBlacklight Search Results

1. Geologic and coal-bed map of Clarion County, Pennsylvania

1972. 2012-11-16T19:36:37Z. 2012-11-16T19:36:37Z. Patterson, E. D. (Elmer Davisson). U.S. Geological Survey. English. Public. Pennsylvania and Clarion County.

2. 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.

3. Maps showing extent and thickness of coal beds and amount of overburden on coal beds in the Salina quadrangle, Utah

1972. 2012-10-31T13:20:30Z. 2012-10-31T13:20:30Z. Hackman, Robert J. U.S. Geological Survey. English. Public. Utah, Sevier County, Piute County, Emery County, Wayne County, and Garfield County.