Sierra County California

Lode gold mines in Sierra County produced most of the total recorded 2,161,000 ounces of gold, with an unrecorded production before 1880 probably boosting the total well above 3,000,000 ounces. Allegheny and Downieville districts in the southwest part of the county are about 10 miles apart, with total placer production of 194,000 gold ounces and …

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