Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado san juan region Pioneer established smelting works. R. M. News. Apr. 19, 1876 p.4 c.1 Proposition submitted for building railroad. R. M. News. Apr. 20, 1876 p.4 c.3 Need of capital for development. R. M. News. Apr. 30, 1876 p.4 c.3 Mining machinery; transportation. R. 11. News. Y:ay 17, 1876 p.4 c.4 migration to Del Norte. R. M. News. hay 19, 1876 p.4 c.1 Activities, Summit district R. M. News. June 1, 1876 p.4 c.5CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado san juan region, [434261]. Denver Public Library Digital Collections, accessed 08/11/2025, https://digital.denverlibrary.org/nodes/view/1427404
