BNSF 1532 (GP28-2) repositions in a busy Denver Yard where it will work side by side other units sorting freight cars.

A line of heavies are getting serviced at the fuel and sand stations while light power works on sorting cars in the massive North Yard in Denver, Colorado.

Welcome to the wayback machine in Denver, Colorado. When was the last time you saw two Warbonnets and a Burlington Northern motor side by side?

A variety of light and heavy power wait for servicing at the engine facility in Denver, Colorado,

The California Zephyr pulls into Denver, Colorado as light snow falls. The train will now back up into Denver's Union Station to change crew, pick up and discharge passengers, and service the eng... (more)

Amtrak engine #169 (P42DC) sits in reserve at the BNSF engine facility in downtown Denver. If there exists a problem with an Amtrak motor while in the Denver area this engine would get called to ... (more)

Photo by unknown.

BNSF 1532 (GP28-2) climbs out of the bowl at the huge yard in downtown Denver, Colorado.

With only minutes of evening sunlight left, UP 5567 (AC4400CW-CTE) and four other UP motors head for the servicing island in the North Yard after being separated from the coal train in the upper l... (more)

It's Throwback Sunday at the BNSF engine servicing facility, with two former Santa Fe Warbonnets and a Cascade Green Burlington Northern SD40-2 waiting for service or orders.

UP 1826 (SD40N) works the North Yard in Denver, Colorado.

BNSF 1665 (SD40-2) sits waiting for service at the BNSF engine facility in Denver, Colorado.

UP 1826 (SD40N) sits on a siding in east Denver as a freight motors past and heads to the 36th Street Yard.

Light snow falls on BNSF Warbonnet 724 (Dash9) as it waits for service in the engine facility in Denver, Colorado.

BNSF 9015 (SD70ACe) backs a freight into one of the ladders in the large yard in Denver, Colorado.