Born-Digital or AnalogAnalogTranscriptRip van Dam mine. Boulder COUNTY COLORADO Management R.M. News. June 21, 1884 p.3 c.1, Rich ore R.N. News. Dec. 23, 1885 p.5 c.1 Gold ore value R.M. Idews. Dec. 23, p.9c.2CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Rip van Dam mine. Boulder COUNTY COLORADO, [526520]. Denver Public Library Digital Collections, accessed 18/01/2026, https://digital.denverlibrary.org/nodes/view/1635293
