Born-Digital or AnalogAnalogTranscriptTunnels. Colorado New mountain boring machine called "The Mole to be used for tunnel of Fryingpan project. RMN N 23, 1970 p.14,15 Twin tunnels on I-70 near Idaho Springs completed. Post Ap 8, 1964 p.60 Boustead Tunnel will carry water from Fryingpan - Arkansas Project ; tunnel was dedicated. Post Je 29, 1972 p.32 Story of journalist Marcus Mills Pomeroy and his attempt and failure to build Atlantic - Pacific Railway Tunnel. Post Empire N 16, 1975 p.40-44CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
