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Churn drilling at the McIlhon zinc deposit, Iowa County, Wis.

Investigation of the Skene zinc mine, Jo Daviess County, Ill.

Published Year

• 1940-1949 (2)

Subject

• Boring--Wisconsin--Iowa County (1)
• Zinc mines and mininng--Illinois--Jo Daviess County (1)
• Zinc ores--Wisconsin--Iowa County (1)

Author

• Terry, Owen W. (2) *
• Lincoln, Francis C. (1)

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