A nice variety of motors occupy the Union Pacific's North Yard in Denver, Colorado.
UP 700 (GP38N) works the North Yard in Denver, Colorado during a heavy snow storm.
Heavy snow is falling fast as light power works the Union Pacific's North Yard in Denver, Colorado.
191 on a winter's night .
Polar Express at the Colorado Railroad Museum
BNSF 2712 GP39-2 joins a mix of light and heavy power waiting for servicing or assignments at the engine facility in Denver, Colorado.
BNSF 7731 meets UPY 625 in the Union Pacific's North Yard in Denver, Colorado.
A four unit set of black & gray SD-9's C&S 829, 824, 830 and FW&D 850 with a southbound freight running on the Colorado & Southern near Denver on January 22, 1969. Photo by Ken Crist, from my co... (more)
The BNSF visits the Union Pacific's North Yard in Denver, Colorado. UPY 453 is a SD40-2 converted to a slug by removing the prime motor. It is paired with a specific motor (UPY 353) as it works ... (more)
The Rocky Mountaineer engines share the Union Pacific's 36th Street Yard in Denver, Colorado.
A line of BNSF heavy motors runs through the servicing island at the engine facility in Denver, Colorado.
BNSF 1899 (SD40-2) brings a freight to Denver on the Greeley Sub.
UP 1826 SD40N moves past a trio of BNSF motors sitting in the Union Pacific North Yard.
UPY 453 (which is a former Missouri Pacific SD40-2 converted to a slug by removing the prime motor) is spotted in the North Yard in Denver, Colorado.
BNSF 1590 (SD40-2) runs long hood forward and drags some stack cars to the yard in Denver, Colorado.
