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| Author | : M. R. McKenzie |
| Publisher | : |
| Total Pages | : 20 |
| Release | : 1932 |
| Genre | : Gold ores |
| ISBN | : |
This paper describing the milling methods at the Walkermine concentrator, Plumas County, Calif., is one of a series being prepared by the United States Bureau of Mines on milling methods and costs in the various mining districts throughout the United States.
| Author | : |
| Publisher | : |
| Total Pages | : 1056 |
| Release | : 1932 |
| Genre | : Mines and mineral resources |
| ISBN | : |
| Author | : H. G. Skavlem |
| Publisher | : |
| Total Pages | : 644 |
| Release | : 1933 |
| Genre | : Gold mines and mining |
| ISBN | : |
| Author | : Alexander M. Gow (engineer.) |
| Publisher | : |
| Total Pages | : 38 |
| Release | : 1934 |
| Genre | : Grinding and polishing |
| ISBN | : |
| Author | : John Roy Thoenen |
| Publisher | : |
| Total Pages | : 110 |
| Release | : 1935 |
| Genre | : Mines and mineral resources |
| ISBN | : |
| Author | : United States. Bureau of Mines |
| Publisher | : |
| Total Pages | : 532 |
| Release | : 1938 |
| Genre | : Mineral industries |
| ISBN | : |
| Author | : Albert Lawrence Godbert |
| Publisher | : |
| Total Pages | : 1200 |
| Release | : 1935 |
| Genre | : Chemistry, Inorganic |
| ISBN | : |
| Author | : Thomas Garfield Chapman |
| Publisher | : |
| Total Pages | : 174 |
| Release | : 1936 |
| Genre | : Copper ores |
| ISBN | : |
