Hidden treasure mill. Gilpin county, Colorado Mentioned. 1880 Proposed transfer of location. R.M.News. Oct.27,1881 p.2 c.2 Mill runs; list. R.M.News. Nov.10,1881 p.6 c.l Gold retort; weight, Hannington & Mellor's bank. R.M.News. Dec.1,1881 p.6 c.l Number of stamps; operating. R.M.News. Dec.15,1881 p..3 c.l Stamps; activities, 1879. R.M.News. Jan. 1, 1882 p.21 c.2 Operating; stamps. R.M.News. Oct.12,1882 p.7 c.3 Stamps used, 1883. Hall.History Colo. v.3 p.420