Born-Digital or AnalogAnalogTranscriptMines & mineral resources, ColoRADO. Gilpin county Names of companies. R.M.News.Sept.6,1879. p.8 c.4 Review of mining interests, near Virginia Canon; Mt. Pisgah dist. R.M.News.Sept.17,1879.p.8 c.1 Extract regarding mining districts; list. R.M.News.Sept.18,1879.p.2 c.1 Mines, Idaho Springs district; list; Mayflower cons. mining company development plan. R.M.News.Sept.18,1879.p.8 c.5 Mines; list; production. R.M.News.Sept.25,1879.p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines & mineral resources, ColoRADO. Gilpin county, [426526]. Denver Public Library Digital Collections, accessed 21/01/2026, https://digital.denverlibrary.org/nodes/view/1418549
