Donaldson and Kohinoor company Activities, Idaho Springs district, Colorado. R.M.News. May 10, 1883 p.3 c.1 Erects All, Fall river, Clear Creek co. Colo. R.m.News. Jan. 1,1884 p.16 c.6 Mentioned, Idaho Spgs. dist., Colo. ROGews. Jan. 10,1884 p.3 c.1 Mill & mine activities, Idaho Springs- district Colo. R.MVews. Afar. 19,1885 p:3 e.1 mentioned, Idaho Spgs. disc., Colo. R.U.News. Apr. 30,188'4 p.3 c.]
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