(70 ILCS 1855/2.4)
(from Ch. 19, par. 452.4)
"Port facilities" means all public structures, except terminal
facilities as defined herein, that are in, over, under or adjacent to
navigable waters and are necessary for or incident to the furtherance of
water commerce and includes the widening and deepening of slips, harbors
and navigable waters.
(Source: Laws 1961, p. 2993