Born-Digital or AnalogAnalogTranscriptNew Pittsburg mining company Files certificate, Leadville as business headquarters. R.M.News. Apr. 25, 1883 p.3 c.2 Incorporation to operate in Lake county. R.M.News. May 29, 1883 p.6 c.3 Litigation, COLORADO R.di.News. Juiy22, 1886 i3.3 6.2 Formerly !mown, Big Pittsburg co. history, mines; list, Leadville dirt. Colo., 1884CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
New Pittsburg mining company, [454054]. Denver Public Library Digital Collections, accessed 22/01/2026, https://digital.denverlibrary.org/nodes/view/1467924
