Federal airport aid extension. Hearings before a subcommittee of the committee on Interstate and Foreign Commerce, House of Representatives, Eighty seventh Congress, first session, on H.R. 6580 and H.R. 6608, bills to amend the federal airport act so as to extend the time for making grants under the provisions of such act, and for other purposes. May 9, 10, 11, and 12, 1961.

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