California · Tuolumne County
Producer
Keystone Mill
Tuolumne County, California, United States
Stone
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USGS source ↗
Commodities
Primary
Stone
Commodity type
N
Economic & production
Development status
Producer
Identification
Deposit ID
10287690
Region
NA
Data score
D
Coordinates
37.97962, -120.3621
References
MSHA RPT DATED NOVEMBER 1979