After picking up two private Patrick Henry cars at Denver Union Station, the California Zephyr headed west and is seen here navigating Little Ten Curve as it starts its climb into the Colorado Roc... (more)

Amtrak engine 71 (P42DC) leads the California Zephyr through Wiggins, Colorado at sunrise.

BNSF 6256 (ES44AC) heads towards the bright morning sun as it pulls a freight through Wiggins, Colorado on the Brush Sub.

With only a few minutes of sunlight left, BNSF 6170 (ES44AC) leads a loaded coal train through Castle Rock, Colorado.

BNSF 5152 (Dash9) leads a freight through light snow and heavy fog at Plainview, Colorado as it heads towards Denver.

BNSF 8752 (SD70ACe) passes an idling helper ACe in light snow as it leads a loaded coal on the Joint Line through Union, Colorado.

BNSF 8117 (ES44C4) leads a GEO train through Douglas County on the Joint Line past the Comcast satellite facility.

The California Zephyr casts a reflection on the glass-smooth surface of Barr Lake as it runs through Brighton, Colorado on the Brush Sub at dawn.

The California Zephyr runs along the hills on the Moffat Tunnel Sub west of Rollinsville, Colorado.

The early morning California Zephyr #5 runs through heavy fog and light snow at Plainview, Colorado.

BNSF 4724 (Dash9) leads a triple headed freight south on the Joint Line through Greenland, Colorado.

BNSF 6074 (ES44AC) leads an empty coal northbound on the Joint Line through Palmer Lake, Colorado.

While it is fairly common to see an Executive MAC running DPU duty on a coal train, finding two paired together is much more rare. These two are waiting for assignments in the BNSF engine servicin... (more)

BNSF 9709 SD70MAC works the small BNSF yard in Golden, Colorado. This consist is called the Beer Train, as it will take boxcars filled with Molson Coors beer to Denver.

This 43 year old veteran still wears its Burlington Northern Cascade Green paint after all these years.