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Fluorite on the Lee Mine property, Hardin County, Illinois

Core drilling at the Victory fluorspar mine, Hardin County, Ill.

Published Year

• 1940-1949 (2) *

Subject

• Fluorspar--Illinois--Hardin County (2) *

Author

• Bishop, O. M. (2)
• Swanson, A. S. (1)

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