The snow is falling in the Union Pacific North Yard as UP 1144 (GP60) shuffles a cut of cars around the yard.

Heavy snow is starting to fall in the Union Pacific's North Yard as UP 1144 (GP60) moves a cut of cars.

UP 1144 (GP60) joins a variety of power in the snow in the Union Pacific's North Yard in Denver, Colorado.

UP 1144 (GP60M) moves a cut of cars in the UP's North Yard, spooking the pigeons that frequent the yard for spilled grain.

Light Power work the yard in Denver, Colorado.

Snow is falling in the Union Pacific's North Yard as UP 1144 (GP60) waits for the yard crew.

UP 1144 (GP60) gets ready to take a short freight out of the UP's North Yard in Denver and deliver cars to customers in Englewood, Colorado.

UP 1144 (ex Southern Pacific GP60) crosses the South Platte River in Denver, Colorado.

Two pair do light power sit in waiting at the Union Pacific's North Yard in Denver, Colorado. UP 1144 was built in 1991 for the Southern Pacific. UP 1817 was built in 1972 as an SD40-2 and was r... (more)

UP 1144, a former Cotton Belt GP60E, waits at the fueling bay in the UP's North Yard.