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Mining methods at Minas de Matahambre, Matahambre, Pinar del Rio, Cuba
| Author: | Richert, Georg Leo. |
|---|---|
| Year: | 1929 |
| Document Type: | MAIN |
| SUDOC: | C 22.11:6145 |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6145 |
| Subject: | Coal mines and mining--Cuba |
| Link: | https://hdl.handle.net/2027/mdp.39015095078484 |
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