Born-Digital or AnalogAnalogTranscriptUncle Sam mine. Breckenridge district colorado Development. R. M. News. May 2, 1880 p.3 c.6 Activities. R. M. News. Aug. 8, 1882 p.2 c.2 History; transfer; description, nigger hill. R.'-News. Jan. 13, 1883 p.7 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Uncle Sam mine. Breckenridge district colorado, [613271]. Denver Public Library Digital Collections, accessed 13/06/2025, https://digital.denverlibrary.org/nodes/view/1734172
