South Dakota · Custer County
Past Producer
Ruby Reef Lodes
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
10177742
Region
NA
Data score
D
Coordinates
43.69106, -103.61496
References
USBM STAFF,1955,REG V,IC 7707 P161PAGE,LR,ET AL,1953,USGS PROF PAPER247 PP186-188