Born-Digital or AnalogAnalogTranscriptSt. John mine. Summit County. Colorado Mentioned. R. M. News. July 5, 1882 p.7 c.l Development; exhibit, National. exposition , Denver. R. M. News. Aug. 1, 1882 p.3 c.3CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
St. John mine. Summit County. Colorado, [543007]. Denver Public Library Digital Collections, accessed 13/05/2025, https://digital.denverlibrary.org/nodes/view/1579171
