Born-Digital or AnalogAnalogTranscriptDunkirk mine.. Silver Plume district colorado Operating. R.U.News.June 8,1878 p.4 c.3 Development; history. R.M.News.Sept.27,1884 p.fi c.2 Mentioned. R.M.News.Feb.19,1885 p.3 c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Dunkirk mine.. Silver Plume district colorado, [227906]. Denver Public Library Digital Collections, accessed 21/01/2026, https://digital.denverlibrary.org/nodes/view/1496721
