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Trego lead-zinc mine, Grant County, Wis.

Investigation of Vial zinc mine, Iowa County, Wis.

Published Year

• 1940-1949 (2)

Subject

• Lead mines and mining--Wisconsin--Grant County (1)
• Zinc mines and mining--Wisconsin--Grant County (1)
• Zinc ores--Wisconsin--Iowa County (1)

Author

• Cummings, Alvin M. (2) *

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