Geology of the Illinois-Kentucky Fluorspar District

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< Circular 604
Revision as of 07:45, June 9, 2021 by Alan.Myers (talk | contribs) (Replaced content with "{{NC_C604_Page}}")
Mines in the Illinois Portion of the Illinois-Kentucky Fluorspar District
Series Circular 604
Author F. Brett Denny, W. John Nelson, Jeremy R. Breeden, and Ross C. Lillie
Date 2020
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Report PDF file
Map PDF file