BNSF ACe 8761 leads a loaded coal towards Denver on the Brush Sub, passing through ranch land at West Tonville.

BNSF 8568 (SD70ACe) muscles a loaded coal train towards Denver, Colorado on the Brush Sub.

A bright sunrise catches the California Zephyr running towards Roggen, Colorado.

UP 688 is one of many ex-Missouri Pacific GP38-2 units now in Union Pacific service. Here we see a remote control yard operator shove a cut of gondolas into the Denver North Yard.

UP 4403 (SD70M) sits with other light and heavy engines waiting for service in the Union Pacific's North Yard in Denver, Colorado.

BNSF 1844 (SD40-2) still in the Heritage I paint scheme joins an eclectic grouping of light and heavy power as it waits in the engine servicing yard for an assignment.

It is veterans' day as a Warbonnet and Executive Grinstein get serviced for fuel and sand at the BNSF engine facility in Denver, Colorado.

The California Zephyr runs through Bijou, Colorado just as the sun crests the horizon.

The California Zephyr pulls into Fort Morgan, Colorado at sunrise.

UP 7613 (ES44AC) leads for other motors and a long coal train up the 2% grade at Plainview, Colorado.

Sunrise catches the Denver Rock Island Railroad's switchers ready for the day's action at their new facility in Denver, Colorado.

The westbound California Zephyr climbs the 2 percent grade up to Tunnel 1 at Plainview, Colorado as it heads into the Moffat Tunnel District.

BNSF 6149 (ES44AC) runs through farmland at West Tonville, Colorado.

RTD Commuter Train 4040 (Hyundai Eagle P3) leaves Denver and heads towards Arvada, Colorado.

After a quick stop at the Fort Morgan Amtrak Depot the California Zephyr leaves and heads towards Denver, Colorado.