Born-Digital or AnalogAnalogTranscriptBoston and Colorado smelting company New buildings; description. Receives ore, Trio mine; Argo district, Colorado. R.M.News. Hug. 6, 1878 p.4 c.4 Bid on ore, Colorado. 1883 p.7 c.2 Activity, Boulder district, Colorado. Names used for fraud, Argo district, Colorado. R.M.News. July 8, 1883 p.3 c.1 Building used for assay office, Black Hawk, Colorado. c.M.F. July 8, 1883 p.7 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Boston and Colorado smelting company, [11563]. Denver Public Library Digital Collections, accessed 24/05/2025, https://digital.denverlibrary.org/nodes/view/1169971
