Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado summit county deep mining starteu in breckenridge mines; montezuma district development. Times Mr 6, 1901 p.11 c.3 denver Deep mining shaft in Breckenridge district. `times h r 19, 1901 p.11 c.3 fictive season for placers. Times Ap 1, 1901 p.9 c.2 Frisco district. Times Ap lei, 1901 p.11 c.3 Lode claims showing up well; Independence group at Jack mountain. Times Ap 4, 1901 p.11 c.2,3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado summit county, [435571]. Denver Public Library Digital Collections, accessed 18/06/2025, https://digital.denverlibrary.org/nodes/view/1429871
