South Dakota · Custer County
Past Producer
Beryl Feldspar Mine
Custer County, South Dakota, United States
Feldspar
Beryllium
Mica
⌖ Show on map
USGS source ↗
Commodities
Primary
Feldspar
Tertiary
Beryllium, Mica
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10274778
Region
NA
Data score
D
Coordinates
43.84246, -103.37556
References
GUITERAS,J.R,1940,U S B M I C 7112 P 43U S B M STAFF,1955,REG V,I C 7707 P 67