Born-Digital or AnalogAnalogTranscriptmines mineral resources colorado Silver Cliff district Mines; list; assay, Copper gulch. R. 111. News. Feb. 26, 1881 p.2 c.2 activities, mines and cos., list. R. M. News. Aug. 25, 1884 p.6 c.1 Major Howell expedition; survey. R. M. News. Aug. 25, 1882 p.1 c.2 activities, mines; list. R. 14. News. Sept. 19,1882 p.7 c.1CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
mines mineral resources colorado Silver Cliff, [435026]. Denver Public Library Digital Collections, accessed 17/07/2025, https://digital.denverlibrary.org/nodes/view/1428855
