(Information Division.) [The number 200 was first used for an Index to Airway bulletins 1-200, issued Sept. 30, 1927, but is now reassigned to a bulletin relating to Hamilton. Ohio, with the date Feb. 10, 1928.]
Notes:
(Information Division.) [The number 200 was first used for an Index to Airway bulletins 1-200, issued Sept. 30, 1927, but is now reassigned to a bulletin relating to Hamilton. Ohio, with the date Feb. 10, 1928.] † Distribution Made by Issuing Office.