| Additional Authors: | Sheeran, C. T., Franklin, John C., Weverstad, K.D., Barr, P.E. |
|---|---|
| Year: | 1982 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:8903 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 8903 |
| Subjects: | Mine ventilation--Safety measures |
| Electronic alarm systems | |
| Link: | https://hdl.handle.net/2027/mdp.39015078460626 |