Mines and mineral resources. Colorado. John. W. Webster mining agent, Denver. R.M.Ne^vs.July 1,1867 Activities; processes; gold & silver discovery districts; list. R.M.Nemrs.July 2,1867 p.1 c.4 Mining certificates for sale, R.M.News office. R.M.News.July 2,1867 p.4 c.1 Progress, gulch & lode activities, Wykoff process. R.U.Yews.July 3,1867 p.2 c.1
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