The safety yellow end on MP15DC #21 cannot be missed as it and 3 brethren lug a huge ore train south from North Bessemer.
A bunch of switchers doing what they do best: hauling a loaded ore train south from North Bessemer to Braddock where it will be transformed into steel slabs at US Steel's Edgar Thomson Works.
Ore loads from North Bessemer interchange head south on the N Bessemer Branch towards the US Steel Edgar Thomson Works at Braddock.