Born-Digital or AnalogAnalogTranscriptMines and mineral resources, Colorado Miner crushed in mine; story as related to a reporter. R. M. News, July, 14, 1885, p. 4 c. Richest min. region in world near Ouray; description. R. M. News, July 14, 1885, p. 6 c. 1 Unknown mineral belt which will _prove bonanzas. minerals. R. M. News, July, 15, 1885, p. 6 c. 1 Article, Improved methods, worling mines, Chicago Min. Review. R. M. News, July, 30, 1885, ,p. 6 c. 1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources, Colorado, [424225]. Denver Public Library Digital Collections, accessed 15/01/2026, https://digital.denverlibrary.org/nodes/view/1801170