This map depicts the corridor for flight navigation between New York, New York and Bellefonte, PA. It includes major urban areas, roads, railroads,... Show moreThis map depicts the corridor for flight navigation between New York, New York and Bellefonte, PA. It includes major urban areas, roads, railroads, etc., and the location of airfields, sea-plane landings, and navigation beacons. Apparently produced by the Engineer Reproduction Plant of the Corps of Engineers, under the Direction of the Airways Section, Office Chief of Air Corps, in 1923. Has a stamp: "Oct 27 1928". Show less