| Author: | Walker, W. Dan. |
|---|---|
| Additional Authors: | Dumire, J. H. |
| Year: | 1954 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7708 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7708 |
| Subjects: | Coal mines and mining--Safety measures |
| Mine explosions--Pennsylvania | |
| Bituminous coal industry | |
| Gasoline pipelines--Safety measures | |
| Link: | https://hdl.handle.net/2027/mdp.39015078459784 |