Born-Digital or AnalogAnalogTranscriptMines and mineral resources. Colorado Section, size; undeveloped. R.T:1.News. May 3, 1881 p.6 c.4 Activities of mines and companies in districts named prospecting; rich strikes; assays; transfers. R.11I.News. May 4, 1881 p.3 c.l Concentrator for low grade ores advertised for sale in Denver. R.P.I.News. stay 4, 1881 p.7 c.4 Activities, mines, districts, list; stone quarry; coal. R.M.News. Ilay 6, 1881 p.5 c.l Assayer's outfit advertised for sale. R.M.News. Lay 6, 1881 p.5 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources. Colorado, [423233]. Denver Public Library Digital Collections, accessed 10/11/2025, https://digital.denverlibrary.org/nodes/view/1799111
