Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado san juan region History, Loma & Del Norte. R.M.News.Dec.31,1873 p.2 c.1 Mines; mineralogy; districts; statistics; lists; 1879. R.M.News.Jan.1,1880 p.26 c.1 Professor Draper lectures in New York. Activities, mines- list-! prospecting R.M.News.Jan.22,1880 p.6 c.1 Poughkeepsie gulch. 4 R.M.News.Jan.24,1880 p.3 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado san juan region, [434371]. Denver Public Library Digital Collections, accessed 13/12/2025, https://digital.denverlibrary.org/nodes/view/1428368
