Tunnels

Under Secretary of the Interior Oscar Chapman (facing camera, left) and Bureau of Reclamation Commissioner Michael Straus (facing camera, right) address the crowd at the dedication of the Alva B. Adams Tunnel in Colorado. All others unidentified.

Unidentified people at the Alva B. Adams Tunnel in Colorado for its dedication ceremony.

View of the entrance to the Alva B. Adams Tunnel in Colorado. Under Secretary of the Interior attended the dedication of the tunnel.

Governor of Colorado Lee Knous (left) pushes the button to open the Alva B. Adams Tunnel for the first flow of water from Western Colorado to Eastern Colorado. Bureau of Reclamation engineer George Highley is at right. All others unidentified.