Placer mining. Park county. Colorado Activities; minerals; mines; list. R.h^.Newis. Sept. 27, 1884 p.3 c.2 Diamond tunnel g. & s. mining. Co. propose work, Tarryall gulch. R.M.News.Apr.13,1882. p.3 c.2 Activities, mines; gulches & dists; list. R.M.News. July 5, 1885 p.5 c.1 Proposed activities.R.M.News. Jan. 30, 1885 p.5 c.5 Sovereign min. co. activities. R.M.News. Sept. 12, 1885 p.5 c.1 Activities, mines & gulches; list. 'R.M.News. Aug. 4, 1885 p.R c,2