Dams

The Grand Coulee Dam, Columbia Basin Project. In the distance can be seen the discharge ends of the pumping plant tunnels, the feeder canal, and the Upper Grand Coulee.

Six 108,000 kilowatt generators, the largest hydroelectric units in the world, operating the West Powerhouse, Grand Coulee Dam, Columbia Basin Project.

Feeder Canal, Columbia Basin Project. This canal leads from the discharge pipes of the Grand Coulee Dam pumping plant to the Equalizing Reservoir in the Upper Grand Coulee.

South Dam, Columbia Basin Project, work on Grand Coulee Dam. This picture shows the concrete cut-off wall which runs the length of the 10,000 foot earth and rock dam in the Upper Grand Coulee.

West Canal, Columbia Basin Project. This picture shows a drilling crew preparing blasting holes in the tough basalt rock in preparation for the Grand Coulee Dam.

Photograph from circular drydock at Grand Coulee Dam in Washington shows floating caisson being built for spillway repair work. Note that caisson is designed to fit curvature of bucket.

Assembling scroll case for generating unit L-7, the first postwar unit to be installed in the West Powerhouse of the Grand Coulee Dam. This scroll case carries water to a giant turbine.

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.

His Majesty King Faisal II Al-Hashimi of Iraq on the walkway in front of the power stations at Hoover Dam. From photograph album, "Visit of his Majesty the King of Iraq and his Royal Highness the Regent of Iraq to the United States of America, August 12 to September 8, 1952."

Sheik Ahmed and his Majesty King Faisal II Al-Hashimi of Iraq are shown the Hoover Dam in Nevada, the highest dam in the United States. From photograph album, "Visit of his Majesty the King of Iraq and his Royal Highness the Regent of Iraq to the United States of America, August 12 to September 8, 1952."