Born-Digital or AnalogAnalogTranscriptVulcan tunnel. Hinsdale COUNTY COLORADO Capital for developing; activities. R.A.News. Apr.16,1865. p.6 c.1 Development work. R.M.News. Dec. 1, 1865. p.2 c.1 Guionneau brothers operating. R.IA.Aews. Dec.14,1685. p.6 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Vulcan tunnel. Hinsdale COUNTY COLORADO, [625528]. Denver Public Library Digital Collections, accessed 12/05/2025, https://digital.denverlibrary.org/nodes/view/1679793
