California · Trinity County
Prospect
Montgomery Deposit
Trinity County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Prospect
Discovery year
1942
Identification
Deposit ID
10263053
MRDS ID
O20340
Alternate names
Helmke Manganese Group
Region
NA
Data score
D
Coordinates
40.11295, -123.48921
References
CA BULL 125 P 201