Aerial Photo for Butler County, locality El Dorado Lake, location T. 25-26 S., R. 5 E., quadrangle De Graff, project GS-VABY. Date of photo 1960-04-17. Other info Flights 1, 2, 3, 4, and 5 (Elevation = 8500?). Range of sheets 165-171; 118-112; 71-77l 23-17; 124-132. Number of sheets 37. Photo is located at T. 25-26 S., R. 5 E.