Montana · Deer Lodge County
Prospect
Gem River Sapphire
Deer Lodge County, Montana, United States
Sapphire
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USGS source ↗
Commodities
Primary
Sapphire
Commodity type
N
Economic & production
Development status
Prospect
Identification
Deposit ID
10173408
Region
NA
Data score
D
Coordinates
46.1924, -112.62869
References
U.S. ARMY CORPS OF ENGINEERS PUBLIC NOTICS, 199590202.