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Mining and milling tungsten ores

In situ tests of bearing capacity of roof and floor in selected bituminous coal mines :a program report - longwall mining

Published Year

• 1930-1939 (1)
• 1970-1979 (1)

Subject

• Mining engineering--United States (2) *
• Coal mines and mining--United States (1)
• Tungsten mines and mining--United States (1)

Author

• Barry, Anthony J. (1)
• Nair, Oscar B. (1)
• Vanderburg, William O. (1)

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