קובץ:Transcontinental Air Mail Map 1924.jpg

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• 2008-05-29 22:20 Centpacrr 1364×1036×8 (400872 bytes) 1364px
• 2008-05-29 18:55 Centpacrr 1364×1036×8 (400872 bytes) (Corrected version)
• 2008-05-29 18:42 Centpacrr 1364×1000×8 (389276 bytes) Transcontinental Air Mail map July 1, 1924 (The Cooper Collections)
• 2008-05-29 18:28 Centpacrr 1364×1036×8 (398395 bytes) U.S. Post Office Department map of the First Transcontinental Air Mail Route opened July 1, 1924