"First edition subject to correction". "Prepared at the Direction of the Commanding General, Army Air Forces, for the Aeronautical Chart Service by The Lake Survey Branch, Army Map Service, Detroit, Michigan, from best source material available October 1942. Revised June 1944". "Aeronautical information December 1944". Lambert conformal conic projection. "Restricted" stamped in margins. On verso: legend, aeronautical information, and index map.