Undercut Block-caving Method of Mining in Western Copper Mines
| Title | Undercut Block-caving Method of Mining in Western Copper Mines PDF eBook |
| Author | Eugene Delos Gardner |
| Publisher | |
| Pages | 110 |
| Release | 1930 |
| Genre | Copper mines and mining |
| ISBN |
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Techology, Employment, and Output Per Man in Copper Mining
| Title | Techology, Employment, and Output Per Man in Copper Mining PDF eBook |
| Author | United States. Work Projects Administration |
| Publisher | |
| Pages | 282 |
| Release | 1940 |
| Genre | |
| ISBN |
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Technology, Employment, and Output Per Man in Copper Mining
| Title | Technology, Employment, and Output Per Man in Copper Mining PDF eBook |
| Author | Yau Sing Leong |
| Publisher | |
| Pages | 282 |
| Release | 1940 |
| Genre | Copper mines and mining |
| ISBN |
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Bulletin
| Title | Bulletin PDF eBook |
| Author | |
| Publisher | |
| Pages | 1078 |
| Release | 1940 |
| Genre | Mines and mineral resources |
| ISBN |
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Stoping Methods and Cost
| Title | Stoping Methods and Cost PDF eBook |
| Author | Charles Freeman Jackson |
| Publisher | |
| Pages | 306 |
| Release | 1937 |
| Genre | Mining engineering |
| ISBN |
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Metal-mine Accidents in the United States During the Calendar Year 1938
| Title | Metal-mine Accidents in the United States During the Calendar Year 1938 PDF eBook |
| Author | Charles George Maier |
| Publisher | |
| Pages | 756 |
| Release | 1940 |
| Genre | Blast effect |
| ISBN |
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Bulletin
| Title | Bulletin PDF eBook |
| Author | United States. Bureau of Mines |
| Publisher | |
| Pages | 1442 |
| Release | 1935 |
| Genre | |
| ISBN |
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