California · Contra Costa County
Past Producer
Unnamed Location
Contra Costa County, California, United States
Silica
Sand and Gravel
Construction
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USGS source ↗
Commodities
Primary
Silica
Tertiary
Sand and Gravel, Construction
Commodity type
B
Economic & production
Development status
Past Producer
Identification
Deposit ID
10162870
Region
NA
Data score
D
Coordinates
37.9502, -121.88794
References
BLM TOWNSHIP REPT. 7-29-63, & 3-7-69.