GOLD COIN MINE (GOLD COIN MINES INC.) Georgetown District. Deer Lodge County. Minerals Yearbook 1937. Page 423. Treated 12,000 tons of gold ore by amalgamation and concentration in 1935. In 1936 the company was re-treating old tailings by cyanidation, as commercial ore reserves were exhausted.
WPA, "Gold Coin" (1937). Minerals Yearbook, All. 618.
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Gold Coin, Georgetown District, Deer Lodge County, gold