Born-Digital or AnalogAnalogTranscriptBig chief company Development, Breckenridge district R. V. News. July 18, 1880.p.6 c.1 Bonded, White quail extension, Mosquito district., Colorado. R. M. News. Aug. 5, 1880. p.3 c.1 Operating Big chief mill, Georgetown district, Colorado R. 1. ?Mews. Sept. 25, 1884 p.3 c.1 Contracts for work,mine activities, Empire disc. Colo. R. M. News. Apr. 11, 1994 p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
