South Dakota · Custer County
Prospect
Mayo 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
Prospect
Identification
Deposit ID
10202026
Region
NA
Data score
D
Coordinates
43.68776, -103.60806
References
USBM STAFF,1955,REG.V,I.C.7707.PP.158-159GUITERAS,J.R.,1940,USBM I.C.7112.P.54