South Dakota · Custer County
Past Producer
Marydale Prospect
Custer County, South Dakota, United States
Mica
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USGS source ↗
Commodities
Primary
Mica
Commodity type
N
Economic & production
Development status
Past Producer
Identification
Deposit ID
10153275
Region
NA
Data score
D
Coordinates
43.69746, -103.61226
References
USBM STAFF,1955,REG.V I.C.7707.P.160PAGE,L.R.,ET AL.1953,USGS PROF.PAPER 247, P.149-150