California mine. Gilpin co. Colorado Discovered. Hall. History Owner. Hall. Prominent producing Mine. Development. R.M.News.Sept.17,1879 p.2 c.1 Production to 1880, with other mines. Stone. Hist. Colo. v.1 p.26© Activities. R.M. News.Nov.13,1869 p.1 c.2 Production. R.M.News.Feb.25,1879 p.4 c.5 Development. P.M.News.Feb.25,1879 p.4 c.8 Transfer. R.M.News.©ct.6,1882 p.2 c.1
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