Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado san juan region Activities, Red Cloud mine & tunnels. R. M. News. Jan. 15, 1881 p.3 c.2 Mineralogy; description; location. R. M. News. Jan. 15, 1881 p.6 c.4 History. R. M. News. Jan. 28, 1881 p.3 c.3 Formation, districts; list. R. M. News. Feb. 3, 1881 p.2 c.3 History, valuable mineral territory. R. M. News. Feb. 4, 1881 p.5 c.l Future development by capitalists. R. M. News. Feb. 5, 1881 p.3 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado san juan region, [434384]. Denver Public Library Digital Collections, accessed 19/07/2026, https://digital.denverlibrary.org/nodes/view/1428599
