In its golden years, UP's "horsepower" line used huge steam locomotives to move long freights and passenger consists across the prairie. Here, Sherman Hill, Wyoming provides a fitting backdrop for the hardworking Big Boys and Challengers. UP fans around the world will feel the raw power presented in this dynamic collection of historical photographs.
*Includes a route map of the railway
*Features vintage photos from the David P. Morgan Memorial Library
*Provides railfans, historians, and railroad modelers with prototype details




