310 ILCS 10/8.18
Any state public body (city, village, incorporated town, county, municipal corporation, commission, district, authority, or other subdivision or public body of the State) (a) may, upon such terms, with or without consideration, as it may determine for the purpose of aiding an Authority in the planning, undertaking or carrying out of a conservation plan in a conservation area: (1) dedicate, sell, convey or lease any of its interest in any property or grant easements, licenses, or other rights or privileges therein to an Authority; (2) incur the entire expense of any public improvement made by such public body in exercising the powers granted in this section; (3) do any and all things necessary to aid or cooperate in the planning or carrying out of a conservation plan; (4) lend, grant or contribute funds to an Authority; (5) enter into agreements (which may extend over any period, notwithstanding any provision or rule of law to the contrary) with a municipality or other public body respecting action to be taken pursuant to any of the powers granted in this Act, including the furnishing of funds or other assistance in connection with a conservation plan, and (6) cause public buildings and public facilities, including parks, playgrounds, recreational, community, or educational facilities, or any other works which it is otherwise empowered to undertake to be furnished; and cause administrative and other services to be furnished to an Authority.
(from Ch. 67 1/2, par. 8.18)
(Source: Laws 1963, p. 1495.)