Flight Over Pomme De Terre Dam in Missouri
The Pomme de Terre Dam is an earth and rockfill embankment, is 7,240 feet long and stands 155 feet above the streambed. The dam's impervious core was made of heavily compacted clay and is virtually watertight. The outlet works, consisting of the control tower, tunnel and stilling basin. The control tower is equipped with two hydraulically operated gates which controlled release of water through the dam and reduces the force of the water flowing downstream. The phrase "Pomme de Terre" is French for "Apple of the Earth" or "potato".