South Dakota · Custer County
Past Producer
Amber Lode
Custer County, South Dakota, United States
Mica
Beryllium
Feldspar
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USGS source ↗
Commodities
Primary
Mica
Tertiary
Beryllium, Feldspar
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10299490
Region
NA
Data score
D
Coordinates
43.65886, -103.53696
References
TULLIS E.L. USBM RI 4855 PG 1952