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Mine detail: American Yogo Sapphire Mine
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North America
United States
Montana
Judith Basin
Previously called 'Sapphire Intl. Corp. MineAmerican SapphireYogo Lapidary Co. Mine'
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Location
Lat / long:
46.87101, -110.34473
Resource(N)
Primary:
Sapphire
Discovery year:
1896
Production
Operation type:
Underground
Development status:
Producer
Geology
References
MAS
300450041
DEP
10294931
Reference
U.S. BUREAU OF MINES IC 7602, 1951, P. 43-44.
Reporter
Ridenour, James