70 ILCS 405/27

State agencies to cooperate. Agencies of this State which shall have jurisdiction over, or be charged with the administration of, any State-owned lands, and of any county, or other governmental subdivision of the State, which shall have jurisdiction over, or be charged with the administration of, any county-owned or other publicly owned lands, lying within the boundaries of any district organized hereunder, shall cooperate to the fullest extent practicable with the directors of such districts in the effectuation of programs and operations undertaken by the directors under the provisions of this Act.