BNSF 4327 (Dash9) leads a coal train past the old Rollins Pass Mercantile store as it runs down the mountain towards Denver, Colorado.

BNSF 2718 (GP39-2) runs towards the Denver Yard for a day of sorting cars.

Union Pacific's Big Boy #4014 back into Denver's North Yard, which still has the old Colorado and Southern water tower standing.

BNSF 9386 (SD70ACe) heads towards the engine servicing facility for fuel and sand.

A new crew arrives at BNSF 7911 (ES44DC) and will shortly heads south of Denver on the Joint Line.

BNSF 6917 (ES44C4) leads a short GEO train south on the Joint Line out of Denver, Colorado.

A veteran SW1200 moves grain cars to the Commerce City Grain silo in Commerce City, Colorado.

Cargill Grain's #1134 (SW1200) moves a cut of hoppers at the grain elevator in Commerce City, Colorado.

The California Zephyr runs through Wiggins, Colorado at Sunrise on the Brush Sub as it makes its way towards Denver.

BNSF 9045 (SD70ACe) shoves a loaded coal train through the elevated curve of the Keenesburg Cut on the Brush Sub.

BNSF 7911 (ES44DC) leads an autorack train south out of Denver, Colorado and will take the Joint Line to Colorado Springs.

BNSF 6962 (ES44C4) waits to shove an oil can train down the Moffat Tunnel SUb through Rollinsville, Colorado.

The grasses and wildflowers are in full bloom thanks to the many storms that have pounded the area. As more storms fire off in the distance, UP 5889 (AC4400CW-CTE) leads a freight up to Tunnel 1 ... (more)

Cargill motor #1134 (SW1200) shoves a cut of hoppers towards the Commerce City grain elevator.

BNSF 7911 (ES44DC) races another southbound train as it runs on the Joint Line out of Denver, Colorado.