Born-Digital or AnalogAnalogTranscriptSilver ledge consolidated mining company Owners, mines; list; discovery, 1880, Peru mining DISTRICT COLORADO R. M. News. July 6, 1881. p.2 c.4 Of PHILADELPHIA PENNSYLVANIA Officers; list, Summit co. Colo. R.M.News.Oct.11,1881. p.2 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
