(70 ILCS 1865/4.6) (from Ch. 19, par. 182.6)
    Sec. 4.6. Locate, establish and maintain a public airport, public airports and public airport facilities within its corporate limits or within or upon any body of water adjacent thereto, and construct, develop, expand, extend and improve any such airport or airport facility.
(Source: Laws 1961, p. 3531.)