1951. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes Division. North Decimal Degree 80.000000. South Decimal Degree -60.0000. E... [Washington, D.C.] : [s.n.], 1951.
    
  
Search Results
    
      1951. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes Division. North Decimal Degree 80.000000. South Decimal Degree -60.0000. E... [Washington, D.C.] : [s.n.], 1951.
    
  
    
      1954. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes and Carriers Relations Division. North Decimal Degree 90.000000. South Dec... [Washington, D.C.] : [s.n.], 1954.
    
  
    
      1954. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes and Carriers Relations Division. North Decimal Degree 90.000000. South Dec... [Washington, D.C.] : [s.n.], 1954.
    
  
    
      1955. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes and Carriers Relations Division. North Decimal Degree 90.000000. South Dec... [Washington, D.C.] : [s.n.], 1955.
    
  
    
      1955. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes and Carriers Relations Division. North Decimal Degree 90.000000. South Dec... [Washington, D.C.] : [s.n.], 1955.
    
  
    
      1968. United States. Civil Aeronautics Board. Office of the Secretary. North Decimal Degree 80.000000. South Decimal Degree -60.0000. East Decimal Degree... [Washington, D.C]. : [s.n.], [1968[?].
    
  
    
      1959. United States. Civil Aeronautics Board. Bureau of Air Operations, Routes Division. North Decimal Degree 90.000000. South Decimal Degree -90.0000. E... Washington, D.C. : [s.n.], 1959.
    
  
    
      1963. North Decimal Degree 85.000000 South Decimal Degree -85.000000 East Decimal Degree 180.000000 West Decimal Degree -180.000000 Tables showing iron o... Ottawa : [s.n.], 1963.
    
  
10. Map of the world showing trade routes & shortest sailing distances between Canadian & foreign ports
    
      1930. Canada. National Development Bureau. Canada. Department of the Interior. North Decimal Degree 80.000000. South Decimal Degree -60.000. East Decimal... Ottawa, Canada : [s.n.], 1930.
    
  
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