California · San Luis Obispo County
Past Producer
Welch Mine
San Luis Obispo County, California, United States
Manganese
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USGS source ↗
Commodities
Tertiary
Manganese
Commodity type
M
Economic & production
Development status
Past Producer
Discovery year
1918
Identification
Deposit ID
10189733
MRDS ID
W025012
Region
NA
Data score
C
Coordinates
35.27077, -120.77738
References
CALIF. DIV. MINES BULLETIN 152, 1950, P. 240-241.U.S. BUR. MINES RI 5579, 1960, P. 45.