Historical Videos

Under the Great Divide: The Colorado-Big Thompson Project
This 1995 Northern Water film  provides acomprehensive look at  the C-BT Project and its benefits to the region’s farmers, cities, industry and environment. Approximate viewing time is 24 minutes.

The Barrier Between (1957)
The U.S. Bureau of Reclamation produced The Barrier Between the same year it finished C-BT Project construction. The film provides an overview of project features and their operation. Approximate viewing time is 26 minutes. 

The Green Echo of Snow (1975)
Northern Water and the U.S. Bureau of Reclamation co-produced The Green Echo of Snow as an update to The Barrier Between. Approximate viewing time is 26 minutes.

Green Fields (1943)
Produced by the U.S. Bureau of Reclamation, Green Fields depicts construction of the 13-mile Alva B. Adams Tunnel and previews C-BT Project completion and the benefits of supplemental irrigation water for Northeastern Colorado. Approximate viewing time is 15 minutes.