Mines & mineral resources. Colorado Description of prospecting; mines; camps. R.M.News.July 6,1880. p.4 c.3 Mines, Moors camp. R.M.News.July 6,1880. p.6 c.1 State news; mines; discovery, Holy cross mountain. R.M.News.July 8,1880. p.3 c.1 Leadville ore output; description, Aspen City, Gunnison notes. R.M.Newsjuly 13,1880.p.6 c.1 Mines; smelters; mineralogy; districts named. R.M.News.July 14,1880.p.3 c.1 Gold strike, San Juan; Kirber creek & Monarch district. mining, Animas Forks. R.Y.News.Aug.11,1880. p.3 c.1
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