Mines & mineral resources, Colorado. 1875 Requirements for patent claims; relocations R. M. News. July 4, 1875 p.4 c.2 Requirements for mineral display, Chicago expose R. III. News. July 21, 1875 p.2 c.1 Description of a prospector. R. MI. News. July 30, 1875 p.4 c.3 Placer mines; advantages to be gained. R. hi. News. July 31, 1875 p.4 c.4 Placer mining, Snake river district. R. NNf. News. Aug. 18, 1875 p.4 c.4
Click tabs to swap between content that is broken into logical sections.