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

Published Year

• 1950-1959 (1)

Subject

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

Author

• Duff, Grover J. (1)
• Kumke, Charles A. (1) *

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