Premier mine. Rico district. Colorado Development; shipments. R.M.News. Sept. 17, 1884 p.6 e.2 Mill run; assays; development. R.M,Newe. May 22, 1885 p.6 c.3 Activities; development; rich ore. R.M.News. Oct. 4, 1884 p.6 c.1 Operating. R.M.News. Oct. 21, 1884 p.3 c.3 Size of vein cut. R.M.News. July 30, 1885 p.6 c.2 Rich ore. R.M. News. Apr. 4, 1885 p.6 c.3 Developments; increase in force. $ M. News. Oct. 9, 1994 p.6 e.1
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