File:International air routes of United States carriers, September 30, 1949 - btv1b53192770h.jpg
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Size of this preview: 800 × 531 pixels. Other resolutions: 320 × 213 pixels | 640 × 425 pixels | 1,024 × 680 pixels | 1,280 × 850 pixels | 2,560 × 1,700 pixels | 11,176 × 7,422 pixels.
Original file (11,176 × 7,422 pixels, file size: 9.33 MB, MIME type: image/jpeg)