Placerville District (MRDS #10310666) AU
Quartz mining began in 1852 at the Pacific Mine, but the chief period of lode mining was from the 1880 to about 1915. Many of the mines (Lode and drift, and hydraulic) in the district came under the control of the Placerville Gold Mining Company, which was incorporated in 1911, and was a successor to the Placerville Gold Quartz Company, LTD ...