The Heavy Media mill was built in the early 1970's to process ore from the Annie L. Davis and Number 4 mines (on site) and surrounding mines. The mill was destroyed by arson in 1987.
While not extensive, the dumps contain fluorite, quartz, sphalerite, barite, calcite, galena, etc.
Reference: Eric Livingston (2004), in "Illinois - Kentucky Fluorspar District Friends of Mineralogy Symposium Guidebook", Alan Goldstein (editor), p. 21.
Mineral List
8 entries listed. 8 valid minerals.
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