Coal Resources of Beaver County, Pennsylvania
Author | : Elmer Davisson Patterson |
Publisher | : |
Total Pages | : 94 |
Release | : 1963 |
Genre | : Coal |
ISBN | : |
Prepared in cooperation with the Pennsylvania Bureau of Topographic and Geologic Survey.
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Author | : Elmer Davisson Patterson |
Publisher | : |
Total Pages | : 94 |
Release | : 1963 |
Genre | : Coal |
ISBN | : |
Prepared in cooperation with the Pennsylvania Bureau of Topographic and Geologic Survey.
Author | : Elmer Davisson Patterson |
Publisher | : |
Total Pages | : 150 |
Release | : 1971 |
Genre | : Coal |
ISBN | : |
Prepared in cooperation with the Pennsylvania Geological Survey.
Author | : Geological Survey (U.S.) |
Publisher | : |
Total Pages | : 148 |
Release | : 1964 |
Genre | : Coal |
ISBN | : |
Author | : Pennsylvania. Bureau of Topographic and Geologic Survey |
Publisher | : |
Total Pages | : 542 |
Release | : 1926 |
Genre | : Bituminous coal |
ISBN | : |
Author | : Geological Survey of Pennsylvania |
Publisher | : |
Total Pages | : 1240 |
Release | : 1928 |
Genre | : |
ISBN | : |