California · Lake County
Prospect
Herndon Claim
Lake County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Prospect
Discovery year
1918
Identification
Deposit ID
10284958
MRDS ID
M008913
Region
NA
Data score
D
Coordinates
39.04878, -122.50887
References
CALIF. B. 125, 1943, P.125; CALIFBULL. 152, P.90.