BRADDOCK, Pa. – Smoke spewing from an Edgar Thomson Works smokestack wafts over southwest Pennsylvania’s Monongahela River.

BRADDOCK, Pa. – Smoke spewing from an Edgar Thomson Works smokestack wafts over southwest Pennsylvania’s Monongahela River. Carnegie Steel began operating the massive mill in 1875, and it has ...

“They never contacted us. They didn’t talk to us about ... Nearly a quarter of that total came from U.S. Steel’s Edgar Thomson Works. The global steel industry contributes about 11 percent ...