South Dakota · Custer County
Prospect
Jumbo Lode
Custer County, South Dakota, United States
Feldspar
Beryllium
Mica
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USGS source ↗
Commodities
Primary
Feldspar
Tertiary
Beryllium, Mica
Commodity type
B
Economic & production
Development status
Prospect
Identification
Deposit ID
10129313
Region
NA
Data score
D
Coordinates
43.83606, -103.51366
References
USBM STAFF,1955,REG V IC 7707,P 74TULLIS,E.L.1952,USBM RI 4855,FIG I