California · Ventura County
Past Producer
Columbus Mine
Ventura County, California, United States
Boron-Borates
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USGS source ↗
Commodities
Primary
Boron-Borates
Commodity type
N
Economic & production
Development status
Past Producer
Identification
Deposit ID
10141567
MRDS ID
I003008
Region
NA
Data score
D
Coordinates
34.78249, -119.06673
References
CALIF. DIV. MINES REPORT 28, 1932, P. 260.