California · Humboldt County
Occurrence
Sam Brown 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
1942
Identification
Deposit ID
10163179
MRDS ID
M008757
Alternate names
World War No 2
Region
NA
Data score
D
Coordinates
41.07653, -123.71424
References
DOM BULL 152 1950 P 71-72; USBM RI 5579 P 6; PSFC REPT FIG 7DIV MINES BULL 179 FIG 13