Today...diesel locomotives like this switch engine in the Union Pacific yard move smoothly across millions of miles of U.S. tracks. Burning of oil has cut down on coal consumption to the point where cinders are becoming scarce for city streets. …
Today...The Union Pacific Mail Terminal has taken on a streamlined appearance, having lost it's [sic] upper story in remodeling. it is still a mighty busy place, handling an ever increasing volume of mail from the many railroads that converge at the…