Culvert, Outflow

Photo Courtesy Ted Rakovsky

Slag Processor

Photo Courtesy Duquesne Steel Company

Homestead Mill

Photo Courtesy Archives of Industrial Society

NMR Post-Slag

Photo Courtesy Bob Bingham

Slag Train Dumping

Photo Courtesy US Bureau of Mines, Bulletin #479

Stormsewer Access Road, 1930s

Photo Courtesy Archives of Industrial Society, Frick Museum