Browse Circular - Illinois State Geological Survey by Subject "Mines and mining"

  • Denny, F. Brett; Nelson, W. John; Breeden, Jeremy R.; Lillie, Ross C. (Champaign, Ill.: Illinois State Geological Survey, Prairie Research Institute., 2020)
    This report compiles into a cohesive document details of the individual mines within the Illinois portion of the Illinois-Kentucky Fluorspar District (IKFD). This document also contains brief sections concerning the mining ...

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