Clouds hang at the mountain tops as UP 5624 (AC4400CW-CTE) runs a freight through Coal Creek Canyon on the Moffat Tunnel Sub.

UP 5624 (AC4400CW-CTE) runs a freight south through Leyden on the Moffat Tunnel Sub.

UP 7045 (C44ACM) leads a freight through Platteville, Colorado as it heads south on the Greeley Sub.

An eastbound BNSF freight is in the clear in the siding at Rocky, Colorado, on January 19, 2002, and a man is on the ground to inspect Union Pacific’s MDVRO working west on the main line.

UP 8948 (SD70AH) brings a freight into the yard at LaSalle, Colorado.

UP 1820 (SD40N) moves into the yard at LaSalle, Colorado.

The California Zephyr 5 train passes Barr Lake on the Brush Sub at sunrise.

The California Zephyr passes a Colorado Department of Transportation maintenance facility in Coal Creek Canyon, Colorado.

The two Phase VII P-42's lead the California Zephyr through Coal Creek Canyon, Colorado.

The two Phase VII P-42's look great leading the California Zephyr through Coal Creek Canyon, Colorado.

The California Zephyr runs through Coal Creek Canyon as it heads into the Moffat Tunnel District and the Colorado Rocky Mountains.

The California Zephyr runs through Keenesburg, Colorado at sunrise as it heads to Denver on the Brush Sub.

For the first time the California Zephyr 5 train had two of the new Phase VII P42's leading for the cross-country journey.

Coors switcher #997 (SW1000) moves a cut of grain hoppers to the silo at the east end of the brewery.

BNSF 5696 (AC4400CW) leads a loaded coal train towards Hudson, Colorado on the Brush Sub.