This unusual view of the ice bridge at Niagara Falls was obtained from a Bell Aircraft helicopter hovering near the brink of the Horseshoe Falls. Ice covered rocks below the American Falls add an artistic touch and the Cave of the Winds (right)...
Hydroelectric power plant-Grand Coulee Project Office, Washington-An aerial view looking south at Grand Coulee Dam complex with town of Coulee Dam in foreground. West Coulee Dam partly visible at extreme right, Grand Coulee Dam and Third Powerplant...