Use of Airlift in Transportation of Mail. Hearings before the Committee on Post Office and Civil Service, House of Representatives, Eighty sixth Congress, second session, on H. R. 8296 ... and related bills .. to clarify the authority of the Postmaster General to provide for the expeditious, efficient, and economical transportation of mail, and for other purposes. June 6, 9, and 10, 1960.

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