Born-Digital or AnalogAnalogTranscriptMitchell coal mine. Erie dist. COLORADO Advertises for miners. R. M. News. Jan. 5, 1876 p.l c.l Operating. R. M. News. May 27, 1881 p.4 c.3 Daily output. Rep. Jan. 11, 11591 p.7 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
