United States air transportation system, routes certificated to local service carriers : June 30, 1967.
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| Corporate author / creator: | United States. Civil Aeronautics Board. Office of the Secretary. |
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| Imprint: | [Washington : Civil Aeronautics Board, 1967] |
| Description: | 1 map ; on sheet 44 x 56 cm. |
| Language: | English |
| Subject: | |
| 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/4362938 |
| Physical Description: | Scale [ca. 1:9,000,000]. 1 map ; on sheet 44 x 56 cm. |
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