Aerial Photo for Marion, Dickinson, Morris, Butler Region, locality Lost Springs, Linconville, Florence, location T 16-23 S; R 4-5 E, project AYG. Date of photo 1950-08-18. Other info Flight 57-L. Range of sheets 2G: 40-4. Number of sheets 37. Photo is located at T 16-23 S; R 4-5 E