Illinois · Hardin County
Past Producer
Twitchell Mine
Hardin County, Illinois, United States
Fluorine-Fluorite
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USGS source ↗
Commodities
Tertiary
Fluorine-Fluorite
Commodity type
N
Economic & production
Development status
Past Producer
Identification
Deposit ID
10217813
Region
NA
Data score
D
Coordinates
37.46567, -88.37504
References
WELLER J M ET AL ILL STATE GEOL SUR BULL 76 P 143BASTIN EDSON S ILL STATE GEOL SUR BULL 58 1931 P 82ILLINOIS STATE GEOLOGICAL SURVEY BULL 41 P 298