This map depicts the corridor for flight navigation between New Orleans, Louisiana, to Beaumont, Texas, including major urban areas, roads,... Show moreThis map depicts the corridor for flight navigation between New Orleans, Louisiana, to Beaumont, Texas, including major urban areas, roads, railroads, etc., and the location of airfields, sea-plane landings, and navigation beacons. It was produced under the direction of the Airways Section Office of the Chief of Air Corps by the Topographical Branch U.S. Geological Survey in 1930. Show less