United States air transportation system; routes certificated to local service carriers, December 31, 1968.

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Bibliographic Details
Corporate author / creator:United States. Civil Aeronautics Board. Office of the Secretary.
Imprint:[Washington, 1968]
Description:map on sheet 44 x 56 cm.
Language:English
Subject:Local service airlines -- United States -- Maps.
Local service airlines.
United States.
Maps.
Cartographic data:Scale ca. 1:9,000,000.
Format: Map U.S. Federal Government Document Print
URL for this record:http://pi.lib.uchicago.edu/1001/cat/bib/4362940
Description
Physical Description:Scale ca. 1:9,000,000.
map on sheet 44 x 56 cm.