Digital Maps and Geospatial Data | Princeton University
International and overseas air routes of United States carriers, including Hawaii and Alaska mainland routes, December 31, 1968.
- [Washington, D.C]. : [s.n.], [1968[?]
United States. Civil Aeronautics Board. Office of the Secretary. North Decimal Degree 80.000000. South Decimal Degree -60.0000. East Decimal Degree 180.0000. West Decimal Degree -180.0000. Ancillary mapt: Air routes of the Caribbean; Dominican Republic, Puerto Rico, and Virgin Islans: Caribbean Atlantic Airlines, Inc.
- Transportation, Airways, and World—Maps
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