Geeps rule the North Yard on this day.

UP 703 struggles to move a heavy cut of cars into the North Yard for sorting.

BNSF 1966 (SD40-2) works the intermodal facility adjacent to the UP's North Yard in Denver.

The sun is up and the Geeps are working the North Yard.

UPY 618 muscles freight cars into the ladder in the UP's North Yard.

Its another busy day in the UP's North Yard in Denver

There is something interesting in this shot if you like to track UP power. Assembled for perhaps a power move or perhaps getting ready to transfer these assets, there are 6 SD9043MAC's all with n... (more)

A faded UP 5779 (AC4400CW-CTE) has just dropped off a long freight in the North Yard and leads its 5 mates to get more fuel and sand.

The UP's North Yard is hopping on this day, with no less than 47 engines visible in this pic, including former Denver & Rio Grande Western UP 1349 (GP40-2) and on the right UP 8963 (SD70AH) backin... (more)

A line of 8 heavies make their way to the North Yard in Denver.

A minty fresh looking UP 5201 (SD70M) moves into the North Yard and will connect with a freight.

The remote engineer for UP 801 (GP38-2) brings a cut of freight out of the North Yard for sorting.

UP 700 (ex Missouri Pacific GP38-2) and UP 2554 (ES44AC-H) sit on the west tracks of the UP's North Yard in Denver.

UPY 546 (GP15-1) shoves another cut of cars back into the ladder at the UP's North Yard.

There was a time when you could find numerous MP15DC and MP15AC units working the UP's North Yard in Denver.