(70 ILCS 1205/9-4) (from Ch. 105, par. 9-4)
    Sec. 9-4. Nothing contained in this code shall be deemed to repeal "An Act to allow the Commissioners of any Park District which has adopted or may hereafter adopt 'An Act authorizing Park Districts to acquire, establish, construct, maintain and operate airdromes, airports, and landing fields for aircraft, and authorizing the exercise of the power of eminent domain and permitting the levy of a tax therefor', approved June 24, 1929, to adopt zoning ordinances for the safe operation of such airport, airdrome, or landing field", approved July 25, 1939, but said act shall be available to and all the powers, rights and duties therein shall remain and be vested in all park districts under this code.
(Source: Laws 1951, p. 113.)