"Third edition, subject to correction". "Compiled for the U.S. Army Air Forces by the Army Map Service, U.S. Army, Washington, D.C., from source authorities listed on reverse side." Stamped with, "Restricted". Lambert conformal conic projection. On verso: legend, aeronautical information, and index map. This digital image has been created from an original, paper chart held at the Canadian Warplane Heritage Museum, accession number 998.109.010 (drawer 1).