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Coal-Mine Accidents in the United States and Foreign Countries
| Author: | Horton, Frederick W. |
|---|---|
| Year: | 1913 |
| Document Type: | N/A |
| Series: | United States Bureau of Mines Reports |
| Report Number: | Bulletin 69 |
| Link: | https://digital.library.unt.edu/ark:/67531/metadc12282/ |
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