 In 1948 the Chicago Plan Commission passed a resolution excluding use of lakefront property to only recreation or for harbor or terminal facilities for passenger and freight vessels.In 1964, the Chicago Dock and Canal trust leased the land to the developers of Lake Point Tower.Chicago Dock and Canal Trust sold the land south of the tower to Centex (now PulteGroup) with an option to build additional towers on the site that is now DuSable Park.