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United States air transportation system [cartographic material] : routes certificated to trunkline carriers, December 31, 1968

Corporate Author: United States. Civil Aeronautics Board. Office of the Secretary
Published: [Washington] : [publisher not identified], [1968]
Physical Description: map ; on sheet 44 x 56 cm

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Subject(s)

Airlines—United States—Maps

Cartographic Mathematical Data

Scale approximately 1:9,000,000.

View MARC record | catkey: 7654572