International and overseas air routes of United States carriers, including Hawaii and Alaska mainland routes : December 31, 1968.
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| Corporate author / creator: | United States. Civil Aeronautics Board. Office of the Secretary. |
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| Imprint: | [Washington, 1968] |
| Description: | map on sheet 44 x 56 cm. |
| Language: | English |
| Subject: | |
| Cartographic data: | Scale ca. 1:66,000,000. |
| Format: | Map U.S. Federal Government Document Print |
| URL for this record: | http://pi.lib.uchicago.edu/1001/cat/bib/4337386 |
| Item Description: | Includes 4 insets. |
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| Physical Description: | Scale ca. 1:66,000,000. map on sheet 44 x 56 cm. |