Arizona · Pima County
Prospect
Promontorio-Black Eagle Claims
Pima County, Arizona, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Prospect
Discovery year
1941
Identification
Deposit ID
10113581
Region
NA
Data score
D
Coordinates
31.71843, -111.6107
References
FARNHAM L L ET AL 1961 USBM IC 7990 PP 122-123