Subject: Air travel / Year: 1951 / Bounding Box: -40.000931 39.999015 -39.999064 40.000987 - NYU Spatial Data Repository Search Results

Start Over Subject Air travel Year 1951 Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. International air routes of United States carriers: September 30, 1951

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.

2. International air routes of United States carriers: September 30, 1951

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.