| Author | : United States. Bureau of Mines. Technical Library, Pittsburgh |
| Publisher | : |
| Total Pages | : 778 |
| Release | : 1968 |
| Genre | : Library catalogs |
| ISBN | : |
Surface Mining and Our Environment
| Author | : United States. Department of the Interior |
| Publisher | : |
| Total Pages | : 134 |
| Release | : 1967 |
| Genre | : Technology & Engineering |
| ISBN | : |
Investigation of Simon & Coles Manganese Deposit Bedford County, Pa
| Author | : W. H. Kerns |
| Publisher | : |
| Total Pages | : 156 |
| Release | : 1948 |
| Genre | : Bedford County (Pa.) |
| ISBN | : |
Kettlebottoms
| Author | : Frank E. Chase |
| Publisher | : |
| Total Pages | : 20 |
| Release | : 1983 |
| Genre | : Coal mines and mining |
| ISBN | : |
Hearings, Reports and Prints of the House Committee on Interstate and Foreign Commerce
| Author | : United States. Congress. House. Committee on Interstate and Foreign Commerce |
| Publisher | : |
| Total Pages | : 1462 |
| Release | : |
| Genre | : Interstate commerce |
| ISBN | : |
