Born-Digital or AnalogAnalogTranscriptSaint Louis extension mine. Central City district, Colorado Transfer, Gunnell hill. R.M.News. Apr. 15, 1881 p.3 c.l Leased by Stevens & co.; history, Gunnell hill. R.M.News.Oct.26,1881. p.2 c.lCollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Saint Louis extension mine. Central City district, Colorado, [543544]. Denver Public Library Digital Collections, accessed 22/04/2026, https://digital.denverlibrary.org/nodes/view/1580371
