From the Post-Tribune:

For years, ArcelorMittal Burns Harbor has been stockpiling a massive 700,000 tons of dark gray, acidic, steel-making waste directly on the soil on the company’s property — less than 500 feet from Lake Michigan.

The waste pile is 500 feet long. Its height dwarfs even large semi trucks driving by. Such waste typically contains heavy metals such as lead, zinc, cadmium and arsenic. Read more.