 |
|
Falls of roof and coal in bituminous coal-mines
| Author: | Adams, William W. |
|---|---|
| Year: | 1925 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | I 28.23:2711 |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 2711 |
| Subjects: | Bituminous coal |
| Mine accidents | |
| Bituminous coal--Pennsylvania | |
| Coal mine accidents | |
| Coal mine accidents--Statistics | |
| Bituminous coal mines and mining | |
| Link: | https://hdl.handle.net/2027/mdp.39015086546978 |
Search developed and maintained by the University of Washington Libraries
Copyright 2010