Born-Digital or AnalogAnalogTranscriptOntario mine. Pitkin dist. Colo. Activities, Little Ohio creek. 1880. p.8 c.5 Opened. R. IV'. News. Apr. 10, 1880. p.8 c.4 Mentioned. R. P1. News. May 7, 1880. p.6 c.1 Located, 1879; description. R.m.News.Dec.8,1882 p.3 c.3 One of richest in district. R. M. News. Apr. 5, 1881 p.2 c.4 Prominent. R. IM. News. Apr. 22, 1881 p.3 c.3 R. M. News. Apr. 22, 1881 p.3 c.4CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Ontario mine. Pitkin dist. Colo, [467592]. Denver Public Library Digital Collections, accessed 06/03/2026, https://digital.denverlibrary.org/nodes/view/1626825
