Mineral Resource Map
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Mine detail: Marchio Sand Co.
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North America
United States
California
Contra Costa
Previously called ''
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Location
Lat / long:
37.94184, -121.82715
Resource(N)
Primary:
Sand and Gravel, Construction
Ore:
Sand
Production
Operation type:
Unknown
Production size:
None
Development status:
Occurrence
Geology
References
MRDS
M007154
DEP
10029546
Reference
CALIF. JOUR. MINES & GEOL. V. 54, NO. 4, PP. 552-3, 581, PL.
Reporter
Gere, W.