The sand is flying as UPY 647 muscles a heavy cut of cars out of the North Yard for sorting. UP 3885 (SD70M) has just brought a new load of freight cars into the yard.

UPY 647 (GP15-1) brings a freight to the south end of the 36th Street Yard, where it will be dropped and picked up later by UP heavies.

UPY 647 (GP15-1) has just dropped of an empty oil can and passes the Commerce City Grain elevator on its way back to home base.

The UP gets ready to make a major power move from the North Yard. Not sure if these engines are heading to Arkansas with the other engines from the soon-to-be-closed Burnham Yard storage area. Inc... (more)

UPY 647 (GP15-1) works a string of oil cans in the 36th Street Yard while UP 4709 waits for a completed train.

UPY 647 is one of a half-dozen GP15-1's that can be found working the 36th Street Yard. Having been built in the early 1980's for Missouri Pacific, the Geeps have gone through a refresh and look ... (more)

There is a lot of activity in the 36th Street Yard as UPY 647 and UPY 691 (both GP15-1's) sort freight cars while UP 1817 (SD40N) and UP 5216 (SD70M) wait their turn.

The low evening sun really brings out the special color of UP's Armor Yellow, as seen here on UPY 647 (GP15-1) which was working the 36th Street Yard.

UPY 647 muscles a string of containers through the 36th Street Yard.