Aerial Photo for Labette (goes into Oklahoma) Region, locality Oswego, location T 30-35 S; R 21 E. Date of photo 1938-07-03. Other info 20000; Photos labeled as containing info affecting national defense of US. Range of sheets "15-73 to 15-75, 15-78, 62R-71 to 62R-73, 15-79 to 15-106". Number of sheets 35. Photo is located at T 30-35 S; R 21 E