The Union Pacific Railroad, has always been a favorite photographic subject of railfans for many years.

I found this photograph at My link page Fallen lags.Org, located to the right of your computer screen at http://www.rr-fallenflags.org/ ( A really great web site!)

Railfan photographer Duane Everhart, photographed this Union Pacific Railroad/ Generla Electric model AC 4400 CW modern hi tech diesel electric locomotive, being used in distributed helper service pushing on the rear of a unit coal train in Highland Indiana. This photograph is dated for July 14th, 2011.