Montana · Fergus County
Prospect
Black Hawk
Fergus County, Montana, United States
Gold
Silver
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USGS source ↗
Commodities
Primary
Gold
Tertiary
Silver
Commodity type
M
Economic & production
Development status
Prospect
Identification
Deposit ID
10123605
Alternate names
O'Brien
Region
NA
Data score
D
Coordinates
47.15352, -109.2619
References
USBM IC 7544, 1950, P28 AND 67