Born-Digital or AnalogAnalogTranscriptMines and mineral resources. Colorado. Summit county Placer and lode mines have more than held their own in 1900. Times D 30, 1900 Pt-3 P.5 Review of placer and lode mining of Summit county for 1899. Times D 31, 1899 p.21 Dredging in Summit County. Rocky Mountain Mines Ja 31, 1903 denverCollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mines and mineral resources. Colorado. Summit, [435567]. Denver Public Library Digital Collections, accessed 18/01/2026, https://digital.denverlibrary.org/nodes/view/1429862
