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Mining methods and costs at the Teck-Hughes Gold Mines (Ltd.), Kirkland Lake, Ontario
| Author: | Henry, R. J. |
|---|---|
| Year: | 1930 |
| Document Type: | USBI |
| Issuing Agency: | U.S. Dept. of Commerce, Bureau of Mines, |
| Series: | Information circular / Bureau of Mines ; |
| Report Number: | 6322 |
| Subject: | Mining engineering--Canada |
| Link: | https://hdl.handle.net/2027/mdp.39015077576372 |
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