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Safety at the mines of the Ford Collieries Co., Curtisville, Pa.
| Author: | Jeffers, C. W. |
|---|---|
| Year: | 1930 |
| Document Type: | MAIN |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| SUDOC: | C 22.11:6339 |
| Series: | Information circular / United States Department of the Interior, Bureau of Mines ; |
| Report Number: | 6339 |
| Subject: | Mine safety--Pennsylvania |
| Link: | https://hdl.handle.net/2027/mdp.39015095084516 |
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