Mines and mineral. resources. Colorado. Gilpin county. Activities, mines; works; companies; districts.; list. R.M. News. Nov. 21, 1885 p.3 c.4 Richest gold co.; views given by correspondent. R.M. News Nov. 25, 1885 p.3 c.3 Activities, Mack mine.R.M. News. Nov. 25, 1885 p.6 c.3 Activities, mines; companies; mill. R.M. News. Dec. 5, 1885 p.6 c.3 Prize mine transfer & activities; Prize m. & m. co. R.M. News. Dec. 9, 1885 p.l c.6 Activities, mines; companies; lists.; list. R.M. News. Dec. 16, 1885 p.3 c.l
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