| Year: | 1977 |
|---|---|
| Document Type: | USBI |
| Issuing Agency: | Dept. of the Interior, Geological Survey, |
| SUDOC: | I 28.27:8752 |
| Series: | Information circular - Bureau of Mines ; |
| Report Number: | 8752 |
| Subjects: | Mine fires--Prevention and control |
| Mine fires--Prevention and control--Congresses | |
| Link: | https://hdl.handle.net/2027/mdp.39015078453878 |