With the Boulder Flatirons in the background, a UP crewman walks back to his motor as BNSF 6012 (ES44AC) passes and heads up the Moffat Tunnel Sub.

UP 6789 (AC4400CW) leads a freight towards Arvada, Colorado on its way to the North Yard in Denver.

UP 6454 AC4400CW leads an officer's special down the hill into Coal Creek Canyon, Colorado as it heads to Denver.

UP 6454 AC4400CW exits Tunnel #1 at Plainview, Colorado and will drop down into Coal Creek Canyon.

UP 6789 (AC4400CW) meets a BNSF coal train at Plainview, Colorado.

Storm Light on the Executive Fleet Rolling in on the Kansas & Pacific westbound for Denver.

Rocky Mountaineer Proper leaders in the new snow.

A Very Proper Leader and 2nd Out Lucky catch at Broomfield

BNSF 9669 leads a North Antelope Mine to Holcomb, KS (Sunflower Electric Power Plant) coal train up the slight grade out of Keenesburg, CO. Even though the grade is only 0.7% at this location, coa... (more)

PUEBLO CO Oct 6 1978 — Rio Grande GP7 5108 is shown at the engine facility awaiting an assignment. EMD built the unit (s/n 14433), in June 1952. Rio Grande retired the unit in March 1984. My pho... (more)

UP 1826 (SD40N) pulls a cut of cars from the North Yard for sorting.

UP 6789 (AC4400CW) waits on a siding at Plainview, Colorado for a BNSF coal train which will be passing shortly.

The Colorado Railroad Museum's Denver & Rio Grande Western #491 (2-8-2) runs laps around the museum grounds in Golden, Colorado.

A deepening of late day shadows envelops the Front Range mountains west of Denver, Colorado, on June 9, 2013, as Amtrak’s eastbound California Zephyr rolls through Eisele on a two percent descen... (more)

A special find in an industrial area in central Denver, Colorado is this caboose which has been painted in a fanciful Colorado & Southern scheme. A closer look of the stenciled data reveals that ... (more)