Aerial Photo for Linn County, location T 19-21 S; R 23-24 E, quadrangle LaCygne SE, project GS-VQS. Date of photo 1957-05-05. Other info Flt. 1-4. Range of sheets "3:13-21, 2:48-41, 2:149-157, 2:75-82". Number of sheets 32. Photo is located at T 19-21 S; R 23-24 E