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The method of underground mining of iron ore in the district of Krivoy Rog
| Author: | Bouldovsky, A. K. |
|---|---|
| Additional Authors: | Ayvazoglou, W. |
| Year: | 1930 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6254 |
| Subject: | Iron mines and mining--Kryvyi Rih Basin (Ukraine) |
| Link: | https://hdl.handle.net/2027/mdp.39015077576281 |
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