Born-Digital or AnalogAnalogTranscriptSilverthorn Marshall Pioneer, prior to 1861, Breckenridge, Colorado R. M. News. Jan. 26, 1882 p.8c.2. Delegate summit county republican. territorial convention. R. M. News. July 8, 1868 p.4c.3. Mentioned, Breckenridge, Colo. R, M. News. Oct. 19, 1881 p.4c.5 R. M, News. June 24, 1870 p.4c.1. Delegate, Rep. conv. Breckenridge Colo. R. M. News. July 1, 1868 p.lc.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng