BNSF 5754 (ES44AC) leads a freight eastbound on the Brush Sub through Keenesburg, Colorado.

The California Zephyr makes the turn in Keenesburg, Colorado as sunrise casts an orange glow over the horizon.

Sunrise creates an orange glow over the California Zephyr as it runs through Keenesburg, Colorado on the Brush Sub.

Amtrak engine #19 (P42DC) leads the California Zephyr through Keenesburg, Colorado at sunrise on the Brush Sub.

The California Zephyr runs through Keenesburg, Colorado as the sunrise paints the clouds with red and orange highlights.

BNSF 6258 (ES44AC) runs an empty coal towards Keenesburg, Colorado and into a golden sunrise.

The California Zephyr runs through the signals at Keenesburg, Colorado as it heads to Denver under a golden sunrise.

The California Zephyr glints the gold sunrise as it runs through Keenesburg, Colorado on the Brush Sub.

Engine problems meant that the California Zephyr #6 train left Denver, Colorado 12 hours late and with one P42DC engine.

Engine problems for the California Zephyr 6 train meant that they ran with one engine going east from Denver. Here we see it running into the Keenesburg, Cut in Keenesburg, Colorado.

The California Zephyr 6 train was over 12 hours late at Denver, offering this rare opportunity to get the train in good sunlight at Keenesburg, Colorado as it ran east on the Brush Sub.

BNSF 9669 leads a North Antelope Mine to Holcomb, KS (Sunflower Electric Power Plant) coal train up the slight grade out of Keenesburg, CO. Even though the grade is only 0.7% at this location, coa... (more)

BNSF 5712 (AC4400CW) passes a field of sunflowers at Keenesburg, Colorado.

Amtrak engine 171 (P42DC) leads the California Zephyr with no ditch lights through Keenesburg, Colorado.

A pink sunrise glints off the side of the California Zephyr as it splits the signals near Keenesburg, Colorado.