Tropic mine. Idaho Springs COLORADO Production. R.M.News.Oct.28,1879. p.5 c.1 Transfer. R.M.News.Sept.11,1879.p.8 c.5 Ships to Golden smelter; assay. R.M.News.Nov.20,1879. p.3 c.1 Ore treatment. R.M.News.Sept.22,1880.p.2 c.3 Activities. R.M.News.Feb.22,1879. p.4 c.4 R.M.News.Feb.23,1879. p.4 c.8 Description. R.M.News.July 1, 1879.p.4 c.2 Producing. R.M.Nows.:kug.4,1881. p.3 c.2
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