Born-Digital or AnalogAnalogTranscriptmines & mineral resources, Colorado Boom near Chubb's ranch; Chaffee co. outlook; activities, Bross mountain R. M. News. June 19, 1880 p.3 c.1 Effect of strike on the Carbonate trade. R. M. News. June 19, 1880 p.7 c.1 Discoveries Democrat mountain; placer mining; the Arkansas & Twin Lakes districts. R. M. News. June 20, 1880 p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines & mineral resources, Colorado, [423149]. Denver Public Library Digital Collections, accessed 14/01/2026, https://digital.denverlibrary.org/nodes/view/1798933
