Mineral Resource Map
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Mine detail: Basalt Rock Co.
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North America
United States
California
Contra Costa
Previously called ''
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Location
Lat / long:
38.0152, -121.79354
Resource(N)
Primary:
Sand and Gravel, Construction
Production
Operation type:
Surface
Development status:
Past Producer
Geology
References
MAS
60130047
DEP
10138259
Reference
CALIF. JOUR. V. 47, NO.4, OCT. 1951, P.580; V. 54, NO.4, P.
Reporter
Western Field Operations Center (WFOC)