Aerial Photo for Morton County, locality Johnson City, location T. 28-31 S., R. 39 W., quadrangle Dermot NW, project GS-SWFD. Date of photo 1971-11-11. Other info Richfield, NS. Range of sheets 2-158 to 167, 3-24 to 16, 3-25 to 33, 3- 72 to 64. Number of sheets 37. Photo is located at T. 28-31 S., R. 39 W.