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State regulations pertaining to the use of internal-combustion engines underground
| Author: | Holtz, J. C. |
|---|---|
| Additional Authors: | Gleim, E. J. |
| Year: | 1957 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7789 |
| Series: | Information circular / United States. Bureau of Mines ; |
| Report Number: | 7789 |
| Subjects: | Mine safety--United States |
| Internal combustion engines--Safety measures | |
| Link: | https://hdl.handle.net/2027/mdp.39015078459933 |
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