South Dakota · Custer County
Past Producer
Earl 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
Past Producer
Identification
Deposit ID
10201968
Region
NA
Data score
D
Coordinates
43.74996, -103.52416
References
USBM STAFF,1955,REG.V,I.C.7707.PP.118-119PAGE,L.R.ET AL.,1953,USGS PROF.PAPER 247.PP.102-104