Born-Digital or AnalogAnalogTranscriptMines and mineral resources. Summit county Colorado. breckenridge mines actively at work. 'rimes .1a 24, 1901 p.ll c.3 Times Ja 3U, denver 1901 p.11 c.4 work to begin on old Robinson mine at Ten Mile. Times F 12, 1901 p.ll c.2 swandyke aistrict, Three Kings tunnel, black Prince tunnel. Times F 14, 1901 p.11 c.3 Robinson breene at Kokomo and Munroe at Frisco. Times F 20, 1901 p.11 c.3 Cyanide process; Cashier mine, Mountain Pride mine. Times F 21, 1901 p. 11 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources, [435570]. Denver Public Library Digital Collections, accessed 20/05/2025, https://digital.denverlibrary.org/nodes/view/1429868