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Fluorite and zinc on the J.J. Shelby and H. McGuire properties, Pope County, Ill.

Investigation of Douglas fluorite property, Pope County, Ill.

Published Year

• 1940-1949 (2) *

Subject

• Fluorspar--Illinois--Pope County (2) *
• Zinc ores--Illinois--Pope County (1)

Author

• Bishop, O. M. (2)
• Needham, A. B. (1)

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