English: Aerial view of Wister Lake and Dam on the Poteau River and the Fourche Maline creek in Le Flore County, Oklahoma, USA. The dam was constructed in 1949 by the U.S. Army Corps of Engineers for flood control and water supply. Wister Lake State Park is at the bottom of the picture and on the small peninsula behind the dam. The highway of U.S. Route 270 crosses the dam. View is to the south-southwest.