BNSF 5655 (AC4400CW) leads a coal train through Keenesburg, Colorado.

BNSF 9087 (SD70ACe) leads a MAC and a coal train through Keenesburg, Colorado on the Brush Sub.

BNSF 9082 (SD70ACe) and an Executive MAC shove a loaded coal train through the cut at Keenesburg, Colorado.

BNSF 7872 (ES44DC) hits a bright sunrise as it moves through the Keenesburg Cut on the Brush Sub.

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.