Aerial Photo for Ellis, Trego Region, location T. 14-15 S., R. 20-22 W., quadrangle Ellis 1 SW, project GS-VDIZ. Date of photo 1973-12-02. Other info Flights 1, 2, 3, and 4 EW 12000. Range of sheets 12-8; 138-142; 163-159; 289-293. Number of sheets 20. Photo is located at T. 14-15 S., R. 20-22 W.