South Dakota · Pennington County
Prospect
Ashley and Nyswanger
Pennington County, South Dakota, United States
Gold
Copper
Silver
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USGS source ↗
Commodities
Primary
Gold
Tertiary
Copper, Silver
Commodity type
M
Economic & production
Development status
Prospect
Identification
Deposit ID
10226394
Alternate names
Dexter Claim
Region
NA
Data score
D
Coordinates
44.06106, -103.46336
References
USBM STAFF REG V INFO CIRC 7688,1954,P.116