Comstock lode. Summit county, Colorado Description, Snake river region. R. M. News: Sept. 21, 1868 Description of reduction, Collum works. R. lei. News. Nov. 22, 1867. p.1 c.3 Description of development. R. M. News. Aug. 15, 1872. p.4 c.2 Worked by Boston mining company. R.M.News. June 17,1871 p.1 c.3 Description; development. R.-News. Apr. 8,1875 p.4 c.1