Mines and mineral resources. Colorado. Tin Cup district Mines, list. R.M.News.May 2t,1883 Iron mines, list. P.1,.News.June 14,1883 Mines; placers; development. R.M.News.June Development; value; assays. R.M.News.July Ore exhibit, Denver exposition. R.?! News.July p.2 c.4 27,1883 p.6 c.3 17,1883 p.2 c.4 X ,1883 p.1 c.3 Prospecting; smelter; towns; mines; placers transfer R.M.News.Aug.2,1883 p.2 c.1
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