Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado san juan county Need of railroad for develorment. R.14.News.Max.3,1880 p.5 c.1 Descrintion, Newman mine, Rico district R.M.News.Mar.25,1880 p.8 c.3 Rich placer & lode mines. R.M.News.Sept.6,1872 p.4 c.3 History of districts. R.H.News.Ja.n.1,1879CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado san juan county, [434181]. Denver Public Library Digital Collections, accessed 19/06/2025, https://digital.denverlibrary.org/nodes/view/1427233
