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Mining methods and costs at the Ground Hog Unit, Asarco Mining Co., Vanadium, New Mexico

Published Year

• 1930-1939 (1) *

Subject

• Copper mines and mining--New Mexico (1)
• Lead mines and mining--New Mexico (1)
• Zinc mines and mining--New Mexico (1)

Author

• Richard, F. W. (1) *

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