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Mine detail: Keystone Lode Claim
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North America
United States
California
Madera
Previously called ''
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Location
Lat / long:
37.51103, -119.54957
Resource(M)
Primary:
Gold
Production
Operation type:
Underground
Development status:
Prospect
Geology
References
MRDS
M022240
MAS
60390172
DEP
10188315
Reference
CALIF. JOUR. MINES AND GEOL., V. 46, 1950, P. 473.
Reporter
Ridenour, James