Born-Digital or AnalogAnalogTranscriptEmma mine. Park county, Colorado Mentioned, Mount Lincoln district. R. N. News. Apr. 16, 1873. p.2 c.2 Discovery. R. M. News. Jan. 1, 1880. p.6 c.5 Progress. R.M. News. July 10, 1880. p.3 c.1 Exhibit, National exposition , Denver. R. M. News. Aug. 1, 1882. p.4 c.4CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Emma mine. Park county, Colorado, [237899]. Denver Public Library Digital Collections, accessed 15/07/2025, https://digital.denverlibrary.org/nodes/view/1480369
