Air navigation map 31 (experimental) : Nogales and Tucson to Phoenix, Arizona ...
Air navigation map [31] (experimental) : Nogales and Tucson to Phoenix, Arizona. Compiled and reproduced by the Engineer Reproduction Plant, Corps of Engineers. Under the direction of the Airways Section, Office Chief of Air Service. 1924. -- Air navigation map no. 32 (experimental) : Phoenix, Arizona to San Diego, Calif.. Compiled and reproduced by the Engineer Reproduction Plant, Corps of Engineers. Under the direction of the Airways Section, Office Chief of Air Corps. 1924. Engineer Reproduction Plant, U.S. Army, Washington Barracks, D.C. 4915-30. 1924 - R1927.
David RumseyFord Motor Company
1927
1930
Ford Motor Company
1:500 000