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Accident prevention at the New Black Diamond Coal Mine, Washington
| Author: | Ash, S. H. |
|---|---|
| Additional Authors: | Smith, R. W. |
| Year: | 1933 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Bureau of Mines, |
| SUDOC: | I 28.27:6731 |
| Series: | Information Circular / Bureau of Mines ; |
| Report Number: | 6731 |
| Subject: | Coal mines and mining--Washington (State)--Safety measures |
| Link: | https://hdl.handle.net/2027/mdp.39015077572348 |
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