Where the mouth of the Calumet River meets Lake Michigan on Chicago’s Southeast Side is an abandoned lakefront parcel where one of the world’s largest steel mills once operated. For over 100 years, U.S. Steel South Works provided jobs to over 20,000 Chicagoans at its peak and served as one of the Windy City’s largest […] The post Chicago’s “Quantum Prairie” Promises New Era of Great Lakes Technology and Water Use appeared first on Circle of Blue.