Perigo mine. Central City district. Colorado Mention. R.M.News. July 1, 1683 p.3 c.2 R.M.News. July 23, 1883 p.2 c.2 New machinery. R.M.News. Aug. 17, 1884 p.6 c.3 Operating. R.M.News. Sept. 6, 1884 p.3 c.1 Ore treated, Gold Dirt. R.M.News. Jan. 28, 1883 p.7 c.3 Gold retort deposited; weight. R.M.News. Feb. 6, 1884 p.3 c.1 Gold retort deposited. R.M.News. Mar. 5, 1884 p.3 c.1
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