South Dakota · Custer County
Past Producer
Myrtle Ann Lode
Custer County, South Dakota, United States
Feldspar
Beryllium
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USGS source ↗
Commodities
Primary
Feldspar
Tertiary
Beryllium
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10129527
Region
NA
Data score
D
Coordinates
43.60186, -103.57526
References
TULLIS,E.L.,1952,USBM R.I.4855,MAP48