US Steel ends plans for $1.5B Pennsylvania plant upgrades | AP News
Night View Of Carnegie Illinois Steel Mill On Monongahela River Pittsburgh, PA
Air pollution problems from steel industry prompt two Pa. lawsuits - WHYY
Mon Valley Works
Residents concerned about air quality in shadow of Pennsylvania steel plant
Health Department fines U.S. Steel's Clairton Coke Works $1 million | Pittsburgh Post-Gazette
U.S. Steel is challenging an Allegheny County proposed air quality regulation | News | Pittsburgh | Pittsburgh City Paper
Group worries that new air pollution permit could allow Clairton coke works to pollute more | StateImpact Pennsylvania
U.S. Steel says it owes nothing to Allegheny Co. plaintiffs suing over alleged pollution at Clairton plant | Pennsylvania Record
Workers' homes with steel plant along Monongahela River in background. Clairton, Pennsylvania - PICRYL Public Domain Search
U.S. Steel fined for violations at Clairton Coke Works - The Allegheny Front
U.S. Steel's Clairton Coke Works in Pennsylvania, USA | EJAtlas
A US Steel Factory Is Making People Sick, Health Experts Say. Politicians Are More Worried About Jobs.
Allegheny County Residents Demand Stronger Pollution Regs for U.S. Steel Plant - The Allegheny Front
The Latest: US Steel restores pollution controls at plant - ABC News
U.S. Steel to spend $8.5 million to settle Clairton class action | Pittsburgh Post-Gazette
Clairton Coke Works pollution control systems back on line after Monday morning fire | TribLIVE.com
Clairton, Pennsylvania - Wikipedia
Towns and Nature: Clairton, PA: US Steel Coke Works
U.S. Steel says Clairton coke works repairs ahead of schedule | Pittsburgh Post-Gazette
U.S. Steel Corporation, Clairton Works, 22-Inch Mill Engine, 400 State Street, Clairton, Allegheny County, PA | Library of Congress
US Steel Cancels $1 Billion Mon Valley Works Project | IndustryWeek
File:US Steel Clairton Works, Clairton PA (8900609448).jpg - Wikimedia Commons
U.S. Steel nears completion of new Clairton coke facilities | Transmission Intelligence Service
U.S. Steel resumes operations at Clairton Coke Works following fire; Health Department verifies pollution controls back online
