Born-Digital or AnalogAnalogTranscriptUnadilla company Activities, Silver rock mine, Dumont district colorado R. M. News. Jan. 13, 1881 p.8 c.3 Opens vein of gray copper in Eagle lode, Georgetown district, Colorado. R. M. News. May 13, 1881 p.3 c.1 Installs engine, Doyle shaft, Dumont dist. Colo. R. M. News. Oct. 1, 1881 p.3 c.1 Files articles, Colo. Republican. Feb.26,1881 p.8 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
