Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado Silverton district. History, mines; list; production, 1876. R. M. Iwews. Feb. 3, 1877 p.4 c.5 activities, mills; Ajax lode. R. M. News. Mar. 14, 1877 p.4 c.3 Ingersoll tunnel activities; mines; list. R. Y. News. Mar. 30, 1877 p.4 c.4 Prospecting; activities; location. R. P.^.. News. -^Ipr. 10, 1877 p.2 c.2 Rich strike; Susquehanna tunnel. R. M. News. apr. 15, 1877 p.4 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado Silverton, [435150]. Denver Public Library Digital Collections, accessed 12/11/2025, https://digital.denverlibrary.org/nodes/view/1429124
