I was looking through American Locomotives 1900-1950 by Edwin Alexander (c. 1950) and came across a locomotive that defines an odd-duck, the Union...
Two GP40-2s head west past Station Square in Pittsburgh.
An eastbound CSX train holds the siding while a westbound passes in Pittsburgh
A CSX work train heads west along the Ohio River in Pittsburgh.
An eastbound heads across the OC bridge in Pittsburgh. Photo taken from the West End Overlook.
An eastbound CSX train head along the Ohio River in Pittsburgh led by a BNSF GE unit.
A westbound Roadrailer is seen from the Westinghouse Bridge. A Union Railroad hopper train is seen on the bridge near the top.