Born-Digital or AnalogAnalogTranscriptVidler tunnel Description of tunnel, dam and possibilities of a railroad thru tunnel connecting Silverplume and Keystone. Pams: Mining. Clear Creek Co. Trans-Continental Transportation and mining co. Traris-Continental transportation and mining co. Pros- pectus. Pams: Mining. Clear Creek Co. Trans-Continental transportation and mining co.CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
