CR 6021 at Pittsburgh, PA Station 7-79

SD35 6021 is a helper engine assigned to the Pittsburgh-Cresson service on the Pittsburgh Division.  Helpers were based out of a booth at the end of the platform called "Box 4".  There was a phone and computer hookup for helper crews to check in etc.  Seen here inside the passenger shed at Pennsylvania Union Station, called that by the PRR because it was the union of the Pittsburgh Division, Fort Wayne Division and the Panhandle Line.