Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado Snake river region Mines, mills, activities. n R.M.News.Sept.21,1868 n.4 c.3 Reviewed in geological survey. R.M.News.Aug.9,1871 p.2 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado Snake river region, [435174]. Denver Public Library Digital Collections, accessed 06/02/2026, https://digital.denverlibrary.org/nodes/view/1429373
