Born-Digital or AnalogAnalogTranscriptTunnels. Colorado Description of tunnel used for less than 8 years. Denver Westerners Monthly Roundup v.14 #9 Sept. 1963 p.8-9 Proposed tunnel from Montezuma to Silver Plume -- Vidler Tunnel (which see). Mi-Co Cler Creek tr mining collection 5.4 mile tunnel holed through Continental divide for Fryingpan - Arkansas project; map. RMN Je 17, 1969 p.17 Tunnel to carry travelers through divide almost reality. RMN S 27, 1970 p.65CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
