California · Humboldt County
Occurrence
Murphy Prospect
Humboldt County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Occurrence
Discovery year
1918
Identification
Deposit ID
10163382
MRDS ID
M008815
Region
NA
Data score
D
Coordinates
40.21875, -123.55032
References
DOM BULL 152 1950 P 71