70 ILCS 1505/26.10-2
It is hereby declared that the transfer of land effected by this Section is intended for the improvement of certain park facilities, in order to further the public interest, including the expansion of the John G. Shedd Aquarium lying within the boundaries of the Chicago Park District. In furtherance thereof, all right, title and interest that the State of Illinois has or may have in and to the following described land, now or heretofore submerged beneath the waters of Lake Michigan, shall be vested in and is hereby quitclaimed and conveyed in fee to the Chicago Park District, its successors or assigns: An approximately 2.01 acre irregular shaped tract of submerged land bounded to the west and south by the toe of the existing lake wall surrounding the Shedd Aquarium; to the east by a 320' radius taken from a point 113' due east of the center of the existing Shedd Aquarium building, which radius will intersect a north-south line 184.5 feet due east of the existing north-south lake wall on the north side of Solidarity Drive. In the event that the reclamation of submerged lands in association with the expansion of the John G. Shedd Aquarium upon the above described real property has not begun by January 1, 1997, such right, title and interest vested in and conveyed hereby to the Chicago Park District, its successors or assigns, shall revert back to the State of Illinois. The provisions of this Section shall not affect in any way whatsoever the requirements of "An Act in relation to the regulation of the rivers, lakes and streams of the State of Illinois", approved June 10, 1911, as amended.
70 ILCS 1505/26.10-2