A rare sight on the Brush Sub finds two Norfolk Southern units leading a coal train east towards Keenesburg, Colorado.

Amtrak engine 146 (P42DC) leads the California Zephyr through a curve at Keenesburg, Colorado at dawn.

The California Zephyr runs through Keenesburg at sunrise with wildfire smoke creating an orange glow over the valley.

Dawn is breaking as the California Zephyr runs through the sweeping curve at Keenesburg, Colorado as it heads towards Denver.

A solid pair of SD70s lead a loaded coal train heading towards Denver, Colorado just after hitting the town of Keenesburg during great sunlight.

The California Zephyr runs through Keenesburg, Colorado at dawn, giving passengers and crew a view of a golden Colorado sunrise.

AMTK 174 (P42DC) leads the California Zephyr past a field of wild sunflowers as it heads to Keenesburg, Colorado on the Brush Sub.

Low clouds and a glowing orange sunrise catch the California Zephyr as it leaves Keenesburg, Colorado.

Helmet Required That pressure to line things up as fast as possible as a fast moving hail swollen super cell spins northerly along a line adjacent to the High Plains Route. Hail stings, a... (more)

Low clouds at sunrise greet the crew and riders of the California Zephyr as it runs through Keenesburg, Colorado on the Brush Sub.

BNSF 8225 (ES44C4) arrives in Keenesburg, Colorado at sunrise.

The California Zephyr arrives in Keenesburg, Colorado just before the sun crests the horizon.

BNSF 6607 (ES44C4) leads a GEO train through thick fog at Keenesburg, Colorado on the Brush Sub.

BNSF 6607 (ES44C4) runs in dense fog pulling a GEO train past the BNSF operations building in Keenesburg, Colorado.

BNSF 6436 (ES44AC) emerges from the fog as it heads east with a coal train on the Brush Sub.