Aerial Photo for Mitchell County, locality Waconda Springs, location T 6-7 S; R 9-10 W, quadrangle Waconda Springs, project GS-VENT. Date of photo 1978-03-26. Other info Flights 1-3: EW 20,000. Range of sheets "1: 148-150, 90-88, 51-53". Number of sheets 9. Photo is located at T 6-7 S; R 9-10 W