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Practical Air Navigation

Description: This book was designed to use as a text on air navigation on private ground course of the Civilian Pilot Training Program, and is the fourth edition of the publication "Practical Air Navigation and the Use of Aeronautical Charts of the U.S. Coast and Geodetic Survey" by Thoburn C. Lyon.
Date: September 1940
Creator: Lyon, Thoburn C.
Partner: UNT Libraries Government Documents Department
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