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Mining methods and costs at the vanadium mine of the United States Vanadium Corporation, Rifle, Colo.

Published Year

• 1930-1939 (1)

Subject

• Mineral industries--Colorado (1)
• Mines and mineral resources--Colorado (1) *
• Mining engineering--Colorado (1) *
• Vanadium--Colorado (1)

Author

• Burwell, Blair. (1)

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