Born-Digital or AnalogAnalogTranscriptEmpress mining company Incorporation, N. Y. charter. new york R.M.News.Sept.6,1879. p.8 c.4 Activities; yield; ore treatment, Clear Creek county, Colorado. R.M.News.Nov.8,1879. p.2 c.1 Incorporates to develop Empress mine, Gilpin county. R.M.News. Apr.17,1879 . p.4 c.2 Owns Empress mine, Central City district ., Colo. R.M.News.Oct.23,1880. p.6 c.1 Management of property, Gilpin co. Colo. R.M.News.June 18,1882 p.3 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
