| Author: | Stott, Roy G. |
|---|---|
| Additional Authors: | Pynnonen, R. O., Johnson, John A. |
| Year: | 1954 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7702 |
| Series: | Information circular / United States. Bureau of Mines ; |
| Report Number: | 7702 |
| Subjects: | Iron mines and mining--Michigan |
| Mine rescue | |
| Link: | https://hdl.handle.net/2027/mdp.39015078459792 |