Air Navigation Map No. 30 (Experimental), 1932

This map depicts the corridor for flight navigation between El Paso, Texas, and Tucson, Arizona, including major urban areas, roads, railroads, etc., and the location of airfields and navigation beacons. It was produced by the Information Division, Office of Chief of the Air Corps at the Engineer Reproduction Plant, U.S. Army, Washington D.C., in 1932.