Colorado-big thompson project Bids sought on Rams Horn and Prospect Mountain tunnels. Post F 4, 1946 p.22 Northern Colo. Water Conservation District stands on original $25 million contract. Post Ag 12, 1946 p.1 Ramshorn tunnel breakthrough at 1:1.8 a.m. Thurs. Post N 14, 1946 p.4 Bids sought. Post D 1, 1946 p.8 Line bids will be opened Jan. 20, 1948. Post D 10, 1946 p.3 Tunnel bore completed. Post Ap 30, 1947 p.14 0