Mines and mineral resources: Colorado. Aspen district. Estimated daily output, mines; list, R.M.News. June 8,1882 p.2 c.3 daily output, mines & dists; list. R.M.News. June 12,1882 p.7 c.l Rich strike, Conundrum gulch. R.M.News. June 16,1882. p.3 c.3 Activities, mines; list.R.M.News. June 19,1882 p.3 c.2 Smelter capacity per day. R.M.News. June 20,1882 p.7 c.3 Smelter plans. R.M.News. June 28,1882 p.7 c.l value of gold brick found. R.M.News. June 29,1882 p.3 c.3
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