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Milling methods and costs at the Montana mine concentrator of the Eagle-Picher Lead Co., Ruby, Ariz.

Mining and milling methods at San Xavier mine, the Eagle-Picher Mining & Smelting Co., Pima County, Ariz.

Published Year

• 1930-1939 (1)
• 1950-1959 (1)

Subject

• Lead mines and mining--Arizona (2) *
• Silver mines and mining--Arizona (2)
• Zinc mines and mining--Arizona (1)

Author

• Andrus, D. E. (1)
• Duff, Grover J. (1)
• Kumke, Charles A. (1)

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