Bureau of Reclamation

View of temporary addition at Grand Coulee Dam, Washington. Dwellings house government workers and came from war-built housing project at Vancouver, Washington. This is the north end of Coulee Dam, Washington. The river in the background is the Columbia River. This addition is called the Airport Addition.

President Harry S. Truman (at microphone) gives an address at the dedication of the Hungry Horse Dam outside Kalispell, Montana. Also pictured on platform: Secretary of the Interior Oscar Chapman (left); and Governor John W. Bonner (right). All others are unidentified.

An unidentified man gives an address in Kalispell, Montana High School Auditorium. Also pictured: Secretary of the Interior Oscar Chapman (left of podium); and President Harry S. Truman (first row, center).

C. H. Spencer (left), Hungry Horse Dam construction engineer, gives President Harry S. Truman (second from left) and two unidentified men a tour of Hungry Horse Dam outside Kalispell, Montana.

A large crowd gathers to watch President Harry S. Truman board his train in Whitefish, Montana, during a stop in a campaign trip across the western United States. All people unidentified. Cars belonging to dignitaries can be seen in the foreground.

A crowd stands to welcome President Harry S. Truman (on stage, shaking hands, left) to the stage during a speaking engagement at a local high school in Kalispell, Montana. President Truman stopped there during a campaign trip through the western United States. Also pictured on stage: Margaret Truman (first row, second from left); Secretary of the Interior Oscar Chapman (first row, third from left); and Congressman Mike Mansfield (first row, second from right). All others unidentified.

President Harry S. Truman flips a fake power switch for the Hungry Horse dam in Kalispell, Montana. President Truman made a public address there while on a campaign trip through the western United States. Also pictured: Secretary of the Interior Oscar Chapman (center). Man on right is unidentified.

Secretary of the Interior Oscar Chapman (foreground) speaks at the dedication of Hungry Horse Dam outside Kalispell, Montana. Pictured, in background: C. H. Spencer, Hungry Horse Dam construction engineer (fourth from right); and Governor John W. Bonner (right). All others unidentified.

President Harry S. Truman (fourth from left) and others tour the Hungry Horse Dam outside Kalispell, Montana. Also pictured: C. H. Spencer, Hungry Horse Dam construction engineer (third from left); Ohio Congressman Michael J. Kirwan (foreground, right); and Montana Congressman Mike Mansfield (behind Congressman Kirwan). All others unidentified.

President Harry S. Truman (left) gives a public address from the rear platform of his train during a stop in Columbia Falls, Montana while on a campaign trip through the western United States. Congressman Mike Mansfield is pictured in center. Man at right is unidentified.