Keystone Mine

Past ProducerGold, Silver, Zinc, CopperUndergroundUSGS MRDS

Location

StateCalifornia
CountyShasta
Coordinates40.72095, -122.51500

Commodities

PrimaryGold, Silver, Zinc, Copper
TertiarySulfur-Pyrite

Mine Details

StatusPast Producer
TypeUnderground
First Production1923
Discovery Year1900
Data SourceUSGS MRDS
Source ID10214011