South Dakota · Custer County
Past Producer
Rocky Ridge Mine
Custer County, South Dakota, United States
Feldspar
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USGS source ↗
Commodities
Primary
Feldspar
Commodity type
N
Economic & production
Development status
Past Producer
Identification
Deposit ID
10153328
Region
NA
Data score
D
Coordinates
43.72466, -103.64226
References
REDDEN,J.A.1963,USGS PROF PAPER 297-D,P.278TULLIS,E.L.,1952,USBM RI 4855,FIG I