Aerial Photo for Morton County, locality Richfield, location T 32 S; R 41 W, quadrangle Richfield SE, project GS-SWFD. Date of photo 1971-11-11. Other info Flights 1-3: NS 6,700. Range of sheets "2: 60-55, 104-109, 134-129". Number of sheets 11. Photo is located at T 32 S; R 41 W