70 ILCS 1570/7

The cost of the acquisition of such shore lands and interests therein and riparian and other rights appurtenant thereto from such shore owners, together with the cost of the construction of the said boulevards, driveways and parkways therein and of the reclamation and improvement of such submerged lands may be paid by the Commissioners of Lincoln Park, either out of its general revenues or out of the proceeds of such interest bearing bonds as the Commissioners of Lincoln Park may, from time to time, lawfully issue.