South Dakota · Custer County
Past Producer
Ann Mica Mine
Custer County, South Dakota, United States
Mica
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USGS source ↗
Commodities
Primary
Mica
Commodity type
N
Economic & production
Development status
Past Producer
Identification
Deposit ID
10275178
Region
NA
Data score
D
Coordinates
43.65246, -103.55776
References
U S BUREAU OF MINES STAFF 1955 REG V,2 INFO CIRCULAR 7707 PPAGE,L R ET AL,U S G S PP 247 P 61