Born-Digital or AnalogAnalogTranscriptMines and mineral resources. Colorado. Boulder county Ore exhibit, Denver exposition. R M N INDEX R.Y.News. July 24, 1883 p.1 c.3 R.M.News. July 26, 1883 p.8 c.3 R.TA.News. July 27, 1883 p.2 c.1 Coal mines; list and activity. R.M.News. July 29, 1883 p.2 c.6 Mines; companies; machinery; mills. R.Y.News. July 31, 1883 p.2 c.1 Non precipitation mineral; tunnel; mill. R.M.News. July 31., 1883 p.3 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources. Colorado. Boulder county, [425287]. Denver Public Library Digital Collections, accessed 10/02/2026, https://digital.denverlibrary.org/nodes/view/1417418
