Born-Digital or AnalogAnalogTranscriptMines & mineral resources. Colorado Items from mining districts; list; smelters;reduction process. P. R". News. July 18, 1880. p.6 c.l activities, Leadville, South Arkansas, Middle Cottonwood, Pitkin districts.R. M. News. July 21, 1880. p.6 c.l Bullion, Ten mile district; Rico news; Camp Cornwall mines listed.R. M. News. July 22, 1880. p.3 c.l Chihuahua camp, Gunnison & S. Arkansas districts. R. M. News. July 23, 1880. p.2 c.l Inscription on prospect stake, Mineral point mountain. R. M. News. July 23, 1880. p.2 c.lCollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines & mineral resources. Colorado, [423101]. Denver Public Library Digital Collections, accessed 18/02/2026, https://digital.denverlibrary.org/nodes/view/1798838
