Investigation of Simon & Coles Manganese Deposit Bedford County, Pa W. H. Kerns Published: 1948 Total Pages: 232 Get eBook
Catalog of Books and Reports in the Bureau of Mines Technical Library, Pittsburgh, Pa United States. Bureau of Mines. Technical Library, Pittsburgh Published: 1968 Total Pages: 792 Get eBook
Estimate of Known Recoverable Reserves of Coking Coal in McDowell County, W. Va Joseph J. Wallace Published: 1952 Total Pages: 296 Get eBook
Estimate of Known Recoverable Reserves of Coking Coal in Allegheny County, Pa Joseph J. Wallace Published: 1953 Total Pages: 262 Get eBook
The Reserve Base of Bituminous Coal and Anthracite for Underground Mining in the Eastern United States United States. Bureau of Mines Published: 1974 Total Pages: 436 Get eBook
