Born-Digital or AnalogAnalogTranscriptEisenhower memorial tunnel Rueben C. Hopper, Highway Dept. engineer, had a lot to d with construction of the tunnel. Post Ja 12, 1973 p.18 Cost approaching $104 million. Post D 10, 1972 D.56 Delays hike tunnel costs. Post F 25, 1973 P.39 Safety regulations outlined. Post F 18, 1973 p.53 Crews will be working round the clock to finish up before opening. Post Mr 4, 1973 p.40CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Eisenhower memorial tunnel, [234566]. Denver Public Library Digital Collections, accessed 11/03/2026, https://digital.denverlibrary.org/nodes/view/1489405
