BNSF ES44C4 6593 leads a Los Angeles bound stack train west on the Seligman Sub, just east of Flagstaff.

Los Angeles bound double stacks climb west towards Flagstaff on the Seligman Sub.

BNSF ES44C4 6593 climbs away from West Darling with a heavy stack train in tow.

A colourful stacker makes its way west on the Seligman Sub