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Falls of roof and coal in mines operating in the Sewickley coal bed in Monongalia County, W. Va.
| Author: | Paul, J. W. |
|---|---|
| Additional Authors: | Geyer, John Nicholas, |
| Year: | 1932 |
| Document Type: | USBM |
| Issuing Agency: | U.S.Bureau of Mines, |
| SUDOC: | C 22.5:520 |
| Series: | Technical paper / United States. Bureau of Mines ; |
| Report Number: | 520 |
| Subjects: | Coal mine accidents |
| Coal mines and mining--West Virginia--Monongalia County | |
| Link: | https://hdl.handle.net/2027/mdp.39015077559311 |
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