| Author: | Burton, S. E. |
|---|---|
| Additional Authors: | Sanford, Robert S. |
| Year: | 1949 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.23:4436 |
| Series: | Report of investigations / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 4436 |
| Subjects: | Iron ores--Pennsylvania--Cumberland County |
| Manganese ores--Pennsylvania--Cumberland County | |
| Link: | https://hdl.handle.net/2027/mdp.39015078491274 |