Mineral Resource Map
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North America
United States
California
San Francisco
Unnamed Occurrence
Occurrence •
Quarry
Past Producer • Sand and Gravel, Construction
Unnamed Location
Occurrence • Gold
Quarry
Past Producer • Sand and Gravel, Construction
Mining Claim Loc. Quicksilver Fnd.
Prospect • Mercury
Quarry
Past Producer • Sand and Gravel, Construction