This map depicts the corridor for flight navigation between Kansas City, Missouri and Muskogee, Oklahoma, including major urban areas, roads,... Show moreThis map depicts the corridor for flight navigation between Kansas City, Missouri and Muskogee, Oklahoma, including major urban areas, roads, railroads, etc., and the location of airfields and navigation beacons. It was produced by and for the Information Division, Office Chief of Air Corps, at the Engineer Reproduction Plant, U.S. Army, Washington D.C., in 1928 and revised in 1932. Show less