Born-Digital or AnalogAnalogTranscriptMines and mineral resources. Colorado. Gilpin county work on old Gregory vein may turn out to be rich lead of early days. Tires Ap 9, 1902 p.ll c.4 Mining notes. Times Ap 12, 1902 p.9 c.3 Times Ap 14, 1.902 p.9 c.l Increasing ore tonnage. Times Ap 16, 1902 p.10 c.4 p.ll c.2 Lombard Polaris, Continental. Times Ap 17, 1902 p.ll c.3 Great improvement in northern part. Times 1'.p 18, 1902 p.ll c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources. Colorado. Gilpin, [425396]. Denver Public Library Digital Collections, accessed 23/01/2026, https://digital.denverlibrary.org/nodes/view/1418127
