This map depicts the corridor for flight navigation between New York, New York, and Boston, Massachusetts, including major urban areas, roads,... Show moreThis map depicts the corridor for flight navigation between New York, New York, and Boston, Massachusetts, including major urban areas, roads, railroads, etc., and the location of airfields, sea-plane landings, and navigation beacons.The Information Division, Office of Chief of Air Corps compiled and produced this maps at the Engineer Reproduction Plant, U.S., Washington, D.C., in 1931. It was partially revised and republished in 1932. Show less