mines mineral resources colorado San Juan county RM N INDEX Companies in Cleveland organize to develop mines; dists. R.M. News. Mar. 17, 1884 p.5 c.4 History. R.M. News. Mar. 21, 1884 p.5 c.5 Hannibal mine ore strike, Lake City district R.M. News. Mar. 25, 1884 p.2 c.4 Copper ore discovered, Anvil mountain activities, mines; list R.M. News. Apr. 2, 1884 p.5 c.l Activities, mines & companies, Silverton dist. R.M. News. Apr. 10, 1884 p.2 c.5 Activities, mines & dists.; list. R.M. News. Apr. 12, 1884 p.2 c.l