Mines and mineral resources. Colorado. Clear Creek county po RQIA Exposition Clear Creek county day; history; mines; list. R.R.News. Sept. 2, 1883 p.3 c.2 Colorado central activities. R.M.Iews. Sept. 3, 1883 p.6 c.l Black mine history. R.M.News. Sept. 4, 1883 p.6 c.3 Special day at Denver exposition. R.M.News. Sept. 6, 1883 p.2 c.l Ore output; shipping; lessee's mines; list. R.hi.News. Sept. 6, 1883 p.3 c.l Ore exhibits, Denver exposition; statistics. R.Y.ws. Sept. 7, 1883 p.2 c.l
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