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Mining and milling of lead and zinc ores in the Wisconsin district Wisconsin

Published Year

• 1910-1919 (1) *

Subject

• Lead mines and mining--Illinois (1)
• Lead mines and mining--Iowa (1)
• Lead mines and mining--Wisconsin (1)
• Zinc mines and mining--Illinois (1)
• Zinc mines and mining--Iowa (1)
• Zinc mines and mining--Wisconsin (1) *

Author

• Wright, Clarence A. (1) *

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