Born-Digital or AnalogAnalogTranscriptMonitor mine. Dumont DISTRICT COLORADO Leased; development; mill run, Hiawatha gulch. R. M. News. Mar. 27, 1881 p.6 c.1 Ships ore to Argo smelter. R. Iv. News. Apr. 1, 1881 p.3 c.3 Producing good ore. R. M. News. Apr. 6, 1881 p.3 c.2 Ship ore to be tested. R. i, . News. Apr. 7, 1881 p . 3 c.4 Rapid improvement-.. R. PEI. News. Apr. 9, 1881 p.3 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Monitor mine. Dumont DISTRICT COLORADO, [438570]. Denver Public Library Digital Collections, accessed 11/04/2026, https://digital.denverlibrary.org/nodes/view/1430238
