California · Imperial County
Unknown

Pilot Knob Prospect

Imperial County, California, United States
Manganese
⌖ Show on mapUSGS source ↗
Commodities
TertiaryManganese
Commodity typeM
Economic & production
Development statusUnknown
Discovery year1918
Identification
Deposit ID10285219
MRDS IDM020026
Alternate namesLincoln, Well-Earned
RegionNA
Data scoreD
Coordinates33.12177, -114.9739
References
U.S. BUREAU OF MINES RI 5579, 1960, P. 33.CALIF. DIV. MINES AND GEOL. COUNTY REPORT 7, 1977, P. 76.