Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado San Miguel county Activities, Golden group, Silver glade & Boomerang mines R.M. News. Mar. 25, 1885 p.6 c.l Activities, mines; list, Ophir district R.M. News. Apr. 8, 1885 p.6 c.l Ore similar to Leadville dist.; activities, mines; mills R.M. News. May 14, 1885 p.6 c.l Development work, basins; list; activities, mines; list. R.M. News. June 4, 1885 p.4 c.4 Activities, mines; mills; list. R.M. News. June 25, 1885 p.4 c.6CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado San Miguel county, [434437]. Denver Public Library Digital Collections, accessed 10/11/2025, https://digital.denverlibrary.org/nodes/view/1429214
