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Anthracite mechanical-mining investigations.
| Author: | Allan, Andrew, |
|---|---|
| Additional Authors: | Davies, R. S. |
| Year: | 1953 |
| Document Type: | BMRA |
| Issuing Agency: | U.S. Dept. of the Interior, Bureau of Mines, |
| Series: | Report of investigations / United States. Bureau of Mines ; |
| Report Number: | 5013. |
| Subject: | Coal-mining machinery |
| Link: | https://hdl.handle.net/2027/mdp.39015078478438 |
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