Template:C604 pub
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Page Source Mines in the Illinois Portion of the Illinois-Kentucky Fluorspar District
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| Series | Circular 604 |
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| Page(s) | 294 - 299 |
| Author | F. Brett Denny, W. John Nelson, Jeremy R. Breeden, and Ross C. Lillie |
| Date | 2021 |
| Link | Web page |
| PDF file | |
| Store | ISGS Store |