Mines and mineral resources. Colorado Activities, Boston and Colorado smelting works. R.M.News. Aug. 17, 1878 p.4 c.7 activities; lodes, companies, camps and gulches;list. R.N.News. kug. 22, 1878 p.4 c.7 Welch coal mining company file articles. R.Ra.News. Aug. 27, 1878 p.4 c.2 Equator mining and smelting company files amended arti- cles. R.M_.News. Aug. 30, 1878 p.4 c.1 Boston mining company files amended articles. R.Y.News. Sept 3, 1878 p.4 c.4 Companies, litigation; list. I^.^;:.T^e s. Sept. 4, 1878 p.4 c.2
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