California · Trinity County
Prospect
Tan Oak No 1
Trinity County, California, United States
Manganese
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USGS source ↗
Commodities
Primary
Manganese
Commodity type
M
Economic & production
Development status
Prospect
Identification
Deposit ID
10214916
MRDS ID
M020362
Alternate names
Helmke Manganese Group
Region
NA
Data score
D
Coordinates
40.15565, -123.53052
References
PARKER D. TRASK APRIL 7 1942