Born-Digital or AnalogAnalogTranscriptCincinnati mine. Breckenridge district colorado . Development, Leased. Description. Shipping. Mentioned. Prepare to Mineral hill. R. M. News. May 2, 1880. p. 60 c.2 R. M. News. Ju-ne 16;1883 p.6 c.3 tap by tunnels; list. 8. M. News. Apr.17,1882 p.1 e.4 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Cincinnati mine. Breckenridge district colorado, [165076]. Denver Public Library Digital Collections, accessed 16/03/2026, https://digital.denverlibrary.org/nodes/view/1385093
