Aerial Photo for Harper County, locality Freeport, location T 31-33 S; R 4-6 W, quadrangle Caldwell 3 NE, project GS-VCIE. Date of photo 1969-11-19. Other info EW 7200. Range of sheets "4: 1 to 10, 3:149 to 139, 87 to 96, 86 to 77, 29 to 38, 28 to 18". Number of sheets 66. Photo is located at T 31-33 S; R 4-6 W