Mines and mineral resources, COLORADO Empire dist. Formation; Patch activities. R.M. News. June 12, 1862 p.2 c.2 Mines & mills activities. R.M. News. Mar. 14, 1863 p.2 c.1 History; also known as Union list. R.M. News. May 11, 1863 p.2 c.2 Activities, companies; lodes; yield; list; wages; mills. R.M. News. June 26, 1863 p.2 c.2 Companies operating; yield; list. R.M. News. July 17, 1863 p.2 c.2
Click tabs to swap between content that is broken into logical sections.