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Recommended safety standards for surface auger mining.
| Year: | 1958 |
|---|---|
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| SUDOC: | I 28.27:7845 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 7845 |
| Subjects: | Coal mines and mining--Safety measures--Standards--United States |
| Coal augers--Safety measures--Standards--United States | |
| Link: | https://hdl.handle.net/2027/mdp.39015078454348 |
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