South Dakota · Custer County
Past Producer
Rainbow Number Four Claim
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
Past Producer
Identification
Deposit ID
10250145
Region
NA
Data score
D
Coordinates
43.72966, -103.69557
References
USBM STAFF,1955,REG V,IC 7707,P151PAGE,L.R.ET AL,1953,USGS PROF PAPER 247,P181-183