⋅ The largest site is the 440-acre South Works on the south lakefront. It is the only privately owned site among the five included in the feasibility study. U.S. Steel, which once operated a massive steel plant on the property, has been trying to find a buyer to redevelop the site in recent years. Most recently, Irish firm Emerald Living drew up a development that would have included as many as 20,000 homes on the site. But the developer walked away from a deal to buy the site in May 2018 because of concerns about soil contamination.