Born-Digital or AnalogAnalogTranscriptEmperor mine. Summit county, Colorado Mill run, Farncomb hill. R. M. News. Nov. 19, 1880 p.6 c.3 Development. R. M. Hews. Aug. 9i* 1866 p.3 c.4 Kinghole mill. works ore. R. M. Hews. Sept.23, 1885 p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Emperor mine. Summit county, Colorado, [239311]. Denver Public Library Digital Collections, accessed 10/12/2025, https://digital.denverlibrary.org/nodes/view/1483618
