Born-Digital or AnalogAnalogTranscriptLeavenworth mine. Gilpin county, Colorado Mentioned, Quartz hill. R. M. News. Dec. 3, 1880 p,3 c.1 Exhibit, National exposition Denver. R. hi. News. 3ept. 16,1882 p.3 c.2 Mill run, leased. R. M. News. Nov. 13, 1881 p.7 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Leavenworth mine. Gilpin county, Colorado, [370983]. Denver Public Library Digital Collections, accessed 09/02/2026, https://digital.denverlibrary.org/nodes/view/1653067
