Mines and mineral resources. Colo. Crested BUTTE DISTRICT Professor Williams, chemist, comments on Colo. coal. R.M.News. May 27,1882 p.2 c.3 Anthracite coal; size of veins,. R.M.News. June 13,1882 p.3 c.2 Coal & coke mined & shipped; list; activities; R.M.News. Jan. 1_7, 1885 p.6 c;;2 Activities, mines; list. R.M.News. Jan. 22, 1885 p.6 c:4
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