Socialist 
Republics 
Uruguay 
Yugoslavia 
12 
13 
14 
45 
16 
Union of Soviet 1 
     
  
    
    
     
   
  
   
   
   
   
   
   
    
   
    
   
   
   
  
    
    
Aero Service Corpor. 
Philadelphia Penn sy lvanië 
U.S. Dept. of Commerce 
Environmental Science Services Adm. 
Rockville 
Tennessee Valley Authority 
Chattanooga Tennessee 
Texas Highway Dept. 
Austin Texas 
Department of Highways, | 
Photogrammetry 5 Section 
Olympia Washington ) 
U.S. Department of the Interior, 
Geological Survey 
Washington 
Naval Oceanographic Office, 
Naut. Chart Division v 
Washington 
U.S. Department of Transportation. 
Federal Highway Administrat. 
Washington 
State Highway Commision of Winscouns! 
Madison Winscounsin 
Wyoming State Highway 
Cheyenne Wyoming 
Centralnyj Naucno- Issledovatelnyj 
Institut Geodezii, Aerosjomky i 
Kartografii 
Moscow 
Servico Geografico Militar 
Montevideo 
Military Geographic and Photo- 
grammetric Institute 
Fel grade