Here’s what’s happening to what used to be US Steel South Works in Chicago. It was huge in the day, and many, many, many families were financed by those jobs.
https://chicago.curbed.com/2016/8/1/12342144/chicago-south-shore-development-news-us-steel
There is a lot of vacant land on the south side where the mills used to be: U.S. Steel, Wisconsin Steel. All long gone. The old Acme Coke plant may be gone too. The LTV mill still stands, but the land is being used for scrapping, etc.