Federal aid for public airports : hearings before the Committee on Interstate and Foreign Commerce, House of Representatives, Seventy ninth Congress, first session, on H.R. 3170, a bill to provide federal aid for the development of public airports and to amend existing law relating to air navigation facilities. May 15, 16, 22, 23, 24, 25, 29, 30, 31, and June 1 and 5, 1945.

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