1. Maps. Radio facility map [of United States], all azimuths magnetic, computed at station; prepared by Flight Information Section. Scale 100 m.=1.4 in. Bookmark Corporate/Agency Authors: Civil Aeronautics Authority Publisher: Civil Aeronautics Authority Date: Nov. 1-Dec. 15, 1938 SuDoc number: CA 1.13:R 11/NE, NW, SE, SW