Amtrak’s westbound California Zephyr threads through 75-foot Tunnel 29 east of Pinecliffe, Colorado, on the morning of May 13, 2017.

The screaming prime movers could barley be heard over the thunderous sound of the rushing water in South Boulder Creek... Spring run-off is just beginning on this late 70 degree day in April. The ... (more)

Chicago & North Western GE AC4400CW No. 8801 leads a Union Pacific coal train eastbound out of Pinecliffe, Colorado, on August 25, 2001.

Rio Grande SD40T-2 No. 5384 leads Southern Pacific sister No. 8496 as power for a westbound Denver to Salt Lake City Z train passing through Pactolus west of Pinecliffe, Colorado, on September 29,... (more)

Burlington Northern SD70MAC No. 9676 leads a westbound BNSF coal train on Union Pacific’s Moffat Tunnel Subdivision at Pinecliffe, Colorado, on October 3, 2001.

Running on home territory, Union Pacific No. 1989, the Rio Grande heritage locomotive, exits 75-foot Tunnel 29 east of Pinecliffe, Colorado, on July 10, 2006.

Four Southern Pacific AC4400CWs muscle a westbound Union Pacific coal train through the snow west of Pinecliffe, Colorado, on May 5, 2001. Doesn’t look like May, does it?

Montana Rail Link leads BNSF trackage rights train out of Tunnel 29 east of Pinecliffe, CO. I still laugh about catching this. I had spent most of the day hiking around Big 10 photographing wh... (more)

Union Pacific MDVRO freight emerges from Tunnel 27 in the Tunnel District east of Pinecliffe, Colorado, on June 15, 2001. Leading the train is a locomotive very much at home—UP EMD SD40T-2 No. 8... (more)

A shiny BNSF 8782 lifts a manifest thru South Boulder Canyon. The train is passing the daylighted Tunnel 28, and about to enter one the tightest curves on the Moffat Road. According to a 1989 D&... (more)

Surrounded by the aftermath of a springtime snowstorm in the Rockies, Union Pacific’s MRONY manifest freight departs the siding at Pinecliffe, Colorado, on a bright April 23, 2001.

Walking Speed, a westbound manifest struggles up the grade thru South boulder Canyon. The long manifest has a total of 5 big AC motors this day configured 3x1x1. This area of the Moffat Road is ... (more)

A quartet of Rio Grande Tunnel Motors pull the grade in South Boulder Canyon. The curve approaching Tunnel 29 is one of the sharpest on the ex DRGW mainlines... The Daily Denver-Roper manifest was... (more)

A westbound manifest led by a new Tier IV Gevo climbs the Moffat in South Boulder Canyon. The colorful scar on the mountainside is the day-lighted Tunnel 28.

A westbound BNSF train negotiates the twisting trackage of South Boulder Canyon. Storm clouds have just parted illuminating this scene along the ex DRGW. The train is about to enter one of tighte... (more)