Mines and mineral resources. Colorado. Gold Dirt district New mill erected. 1878 p.1 c.4 History; mines; list. R.M.News. Aug. 22, 1878 p.4 c.7 Activities, Rollins gold ,.X silver mine. co. R.M.News.Jan.6,1882 p.3 c.2 New discoveries. R.M.News.May 24,1883 p.3 c.2 Constructing a mill, Squirrel gulch. R.M.News.July ?3,1884 p.r, c.3
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