International air routes of United States carriers: September 30, 1951 [cartographic material].

Format
Map
Language
English
Published/​Created
[Washington, D.C.] : [s.n.], 1951.
Description
Scale [ca. 1:89,400,000] (W 180°0ʹ--E 180°0ʹ/N 80°0ʹ--S 60°0ʹ)

Details

Subject(s)
Notes
  • United States. Civil Aeronautics Board. Bureau of Air Operations, Routes Division.
  • North Decimal Degree 80.000000.
  • South Decimal Degree -60.0000.
  • East Decimal Degree 180.0000.
  • West Decimal Degree -180.0000.
  • Ancillary map: Caribbean area." Routes shown on this map do not neccesarily conform to air tracks of actual operation.".
Language note
In English.
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