California · San Bernardino County
Producer
Robertson Clay Mine
San Bernardino County, California, United States
Montmorillonite
Clay
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USGS source ↗
Commodities
Primary
Montmorillonite
Tertiary
Clay
Commodity type
N
Economic & production
Development status
Producer
Identification
Deposit ID
10213523
Region
NA
Data score
D
Coordinates
34.46972, -117.10867
References
CALIF. DIV. MINES AND GEOL. ACTIVE MINES (1991) DATABASE.