File:1937 Civil airways of the United States as designated in Civil Air Regulations - chapter 60, by the U.S. Department of Commerce, Bureau of Air Commerce, from the Digital Commonwealth - commonwealth 0z709330j.jpg
Jump to navigation
Jump to search
![File:1937 Civil airways of the United States as designated in Civil Air Regulations - chapter 60, by the U.S. Department of Commerce, Bureau of Air Commerce, from the Digital Commonwealth - commonwealth 0z709330j.jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/5/5e/1937_Civil_airways_of_the_United_States_as_designated_in_Civil_Air_Regulations_-_chapter_60%2C_by_the_U.S._Department_of_Commerce%2C_Bureau_of_Air_Commerce%2C_from_the_Digital_Commonwealth_-_commonwealth_0z709330j.jpg/800px-thumbnail.jpg?20211220121641)
Size of this preview: 800 × 502 pixels. Other resolutions: 320 × 201 pixels | 640 × 402 pixels | 1,024 × 642 pixels | 1,280 × 803 pixels | 2,560 × 1,606 pixels | 3,768 × 2,364 pixels.
Original file (3,768 × 2,364 pixels, file size: 1.03 MB, MIME type: image/jpeg)