Mineral Resource Map
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Mine detail: United Materials and Richmond Pressed Brick Co.
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North America
United States
California
Contra Costa
Previously called ''
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Location
Lat / long:
37.91518, -122.38605
Resource(N)
Primary:
Clay
Discovery year:
1907
Production
Operation type:
Unknown
Production size:
Yes
Development status:
Producer
Geology
References
MRDS
M007245
DEP
10109200
Reference
CALIF. JOUR. VOL. 47, NO. 4, OCT. 1951, P. 573; V. 54, NO. 4, OCT. 1958, PP. 514-15, 56
Reporter
Gere, W.