Author: | Stott, Roy G. |
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Additional Authors: | Johnson, John A., Pynnonen, R. O. |
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: | Mine rescue |
Iron mines and mining--Michigan | |
Link: | https://hdl.handle.net/2027/mdp.39015078459792 |