3 Norfolk Southern GE's lead an Eastbound stack train up Beaumont Hill near El Casco.

One of UP's newest ET45AH's leads the daily ZLCAI up Beaumont Hill.

Easing a heavy loaded grain train down Beaumont Hill, a pair of FXE motors hold the heavy train back as they pass through San Timoteo Canyon.

Heading down the western slope of Beaumont Hill on UP's Yuma Subdivision, a westbound doublestack train passes through the El Casco Lake area in San Timoteo Canyon.

A pair of factory fresh UP ET45AH's from GE lead a westbound manifest freight downgrade through El Casco in San Timoteo Canyon located on Union Pacific's Yuma Subdivision.

Passing through El Casco in San Timoteo Canyon, a Ft. Worth to West Colton manifest freight descends the western slope of Beaumont Hill with a pair of brand new Tier 4 motors from GE on the head e... (more)

Passing the intermediate signals at El Casco in San Timoteo Canyon, the latest in GE motive power leads an eastbound intermodal upgrade toward Beaumont on the ex-SP Sunset Route.

Near El Casco on the UP's busy Yuma Subdivision, an eastbound stack train grinds upgrade through San Timoteo Canyon with some welcomed pool power from CSX lending a hand.

A recently delivered EMD SD70AH leads an eastbound Union Pacific intermodal train upgrade through El Casco on the Yuma Subdivision in San Timoteo Canyon.

CSXT tier4 power brings up the rear of this eastbound Union Pacific stack train in San Timoteo Canyon.

2 EMD's grind away at the grade up Beaumont Hill as they pass El Casco.

UP 7517 leads 2 CSX units on this eastbound stack as it works up San Timoteo Canyon near El Casco.

Just delivered from GE, a brand new UP ET44AH leads an eastbound intermodal upgrade through El Casco on UP's Yuma Subdivision on a warm summer morning in San Timoteo Canyon.

A pair brand new Union Pacific ET44AH's just recently delivered from GE are on the head end of an eastbound intermodal working upgrade through San Timoteo Canyon at El Casco on UP's Yuma Subdivisi... (more)

CSX pool power in the form of a relatively clean GE ES44AC is assigned as the rear DPU on a westbound Union Pacific stack train heading downgrade through San Timoteo Canyon on the Yuma Subdivision... (more)