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Mine detail: Unnamed Perlite Occurrence
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North America
United States
California
San Bernardino
Previously called 'Unnamed Location'
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Location
Lat / long:
35.1844, -117.22398
Resource(N)
Tertiary:
Perlite
Production
Operation type:
Underground
Development status:
Prospect
Geology
References
MAS
60710943
DEP
10164155
Reference
CALIF. DIV. MINES AND GEOL. BULLETIN 188, 1968, PLATE 1.
Reporter
Rumsey, Clayton M.