California · Mendocino County
Prospect
Heughes Prospect
Mendocino 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
10285729
MRDS ID
M010042
Alternate names
Frederica, Fredrika
Region
NA
Data score
D
Coordinates
39.29567, -123.17829
References
CALIF V49 NO4 P386NO SHIPPING GRADE