Union RR MP15s 30, 14, and 25 haul a southbound loaded slab train through the class yard at Duquesne, PA on the Mon Southern Branch on the afternoon of October 10, 2009.

A Union Railroad slab train crosses the Monongahela River Bridge at Duquesne.

It's Pronounced Duːkeɪn (or "Doo-Cane")

A Union Railroad empty steel slab train passes through the railroad's Duquesne Yard in, of all places, Duquesne, Pennsylva... (more)

NS 23Z crosses the Monongahela River approaching Duquesne on the short Port Perry Branch that connects the Pittsburgh Line and the Mon Line. The tracks in the foreground are those of the Union Rai... (more)

A westbound on NS' Mon Line passes the old US Steel Duquesne Works.

NS 3430 and another SD40-2 await a signal at Perry with a MOW train on the Mon Line.

A coal train heads north on the Mon Line, wedged in between Route 837 and the remains of US Steel's Duquesne Works.

At one time US Steel's Duquesne Works was one of the largest mills in the US. Those days were long gone when this photo was taken - most of the mill had already been razed, only a small portion r... (more)

Prior to cosmetic restoration, an old US Steel plant switcher presents a despondent appearance on the site of the former Duquesne Works.

On a cool autumn day east of the Steel City, Union Railroad MP15AC No. 24 and No. 10 lead 14 car loads of slab upgrade near Duquesne, enroute to Irvin Works in West Mifflin.

Three MP15's and a train of loaded slabs rolls off of two southbound and onto the southbound main as they pass the old receiving yard.

A pair of Union Railroad MP15's smoke up the valley as they drag a slab train from the ET works in Braddock to Irvin Works in West Mifflin.

Three MP15's and a train of loaded slabs rolls off of two southbound and onto the southbound main as they pass the old receiving yard.