UP 7528 (ES44AC) gets repositioned in the North Yard after getting serviced at the fuel island.

UP 7528 (ES44AC) brings a freight into the Union Pacific's North Yard in Denver, Colorado.

UP 7528 (ES44AC) has just dropped off a string of cars in the North Yard and will take the motors to the servicing islands for sand and fuel.

Union Pacific decided to give me one last train to photograph for the day. Right on the edge of sunset. UP 7528 makes it just in time.

With the Fortuna foothills forming the backdrop, a westbound UP manifest nears Yuma, AZ for a crew change before continuing into California.

An extra Tucson to West Colton freight nears Yuma as it passes Fortuna.

UP 7528 brings up the rear of an eastbound coal train.

A westbound stack train at 50 mph headed into the late afternoon sun on the Marceline Sub at Medill.

Fresh out of the paint booth along with the BNSF 6790 bring up the rear rolls down the GE Test Track during the 100 mile break in runs. GECX 905 is between the two Gevo's.