Civil Aeronautics Board air mail rate authority.
Subtitle: Hearings, Ninety-first Congress, second session, on H.R. 16879 ... April 14 and 15, 1970.
Publisher: U.S. Govt. Print. Off.
Published: 1970
Place of publication: Washington
Language: eng
Number of pages: 68
Subjects: United States. Civil Aeronautics Board.; Air mail service -- United States.
Notes: "Serial no. 91-52."