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Kimberly method of block-caving using slusher drifts

Block caving at Kelley Mine, the Anaconda Co., Butte, Mont.

Published Year

• 1940-1949 (1)
• 1950-1959 (1)

Subject

• Caving mining (2) *
• Copper mines and mining--Montana (1)
• Mining engineering--Costs (1)

Author

• Popoff, C. C. (1)
• Richards, John A. (1)

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