Circular 604: Difference between revisions
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F. Brett Denny,<sup>1</sup> W. John Nelson,<sup>1</sup> Jeremy R. Breeden,<sup>1</sup> and Ross C. Lillie<sup>2</sup><br> | F. Brett Denny,<sup>1</sup> W. John Nelson,<sup>1</sup> Jeremy R. Breeden,<sup>1</sup> and Ross C. Lillie<sup>2</sup><br> | ||
< | <sup>1</sup>Illinois State Geological Survey, Prairie Research Institute, University of Illinois, Champaign,Illinois<br> | ||
<sup>2</sup>North Star Minerals, Traverse City, Michigan | <sup>2</sup>North Star Minerals, Traverse City, Michigan | ||
Revision as of 07:40, June 2, 2021
Mines in the Illinois Portion of the Illinois-Kentucky Fluorspar District
F. Brett Denny,1 W. John Nelson,1 Jeremy R. Breeden,1 and Ross C. Lillie2
1Illinois State Geological Survey, Prairie Research Institute, University of Illinois, Champaign,Illinois
2North Star Minerals, Traverse City, Michigan
Suggested citation: Denny, F.B., W.J. Nelson, J.R. Breeden, and R.C. Lillie, 2020, Mines in the Illinois portion of the Illinois-Kentucky Fluorspar District: Illinois State Geological Survey, Circular 604, 73 p. and map.