California · Calaveras County
Past Producer
Three Brother and Spinola Mining Claims
Calaveras County, California, United States
Gold
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USGS source ↗
Commodities
Primary
Gold
Commodity type
M
Deposit
Deposit size
S
Materials
Ore minerals
Gold
Gangue
Quartz
Economic & production
Development status
Past Producer
Identification
Deposit ID
10028663
MRDS ID
M005777
Region
NA
Data score
D
Coordinates
38.22908, -120.72934
References
RANSOME, F. L., 1900 , MOTHER LODE DISTRICT FOLIO: USGS GEOL. ATLAS OF THE US, FOLIO 63 , CLAIM SHEET 1USGS GQ-222