Born-Digital or AnalogAnalogTranscriptEmperor mine. Summit county, Colorado Mill run, Farncomb hill. .1880 p.6 c.3 Development. R. M. News. Aug. 9, 1866 p.3 c.4 Kinghole mill works ore. R. M. News. Sept.23, 1885 p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Emperor mine. Summit county, Colorado, [238056]. Denver Public Library Digital Collections, accessed 08/12/2025, https://digital.denverlibrary.org/nodes/view/1480756
