Aerial Photo for Morton County, location T. 31-32 S., R. 39-40 W., quadrangle Dermot SW, project GS-SWFD. Date of photo 1971-11-11. Other info Richfield, NS. Range of sheets 2-168 to 173, 3-15 to 10, 3-34 to 39, 3-63 to 58. Number of sheets 24. Photo is located at T. 31-32 S., R. 39-40 W.