Born-Digital or AnalogAnalogTranscriptTunnels. Continental divide Propose One way tunnel plan for Loveland pass studied by Watrous, Post D 18, 1947 p.1 Vail ignored map, wasted $280,000 in bore. RYN D 19, 1947 P.5 One-way tunnel gaining support. Post D 19, 1947 p.6 Data released. Post Mr 10, 1948 p.5 .One-way bore wins engineers' nod. RNIN Mr 21, 1948 p.5 One-way bore simple, tunnel experts say. Post Mr 21, 1948 imated at 32,70 p.12 One-way tunnel cost est Post 18, 1948 p.2O.^CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng