Late in the day, an SP SD45T-2 leads an eastbound UP stack train from the ICTF up the constant 1.0 percent grade at Shawmut.

A variety of motive power lifts an eastbound UP stack train up the 1.0 percent grade of the Maricopa Mountains at Shawmut.

At 6:05 a.m. in the heart of the Sonoran Desert, Amtrak No. 2 roars around a curve as it climbs toward the summit at Estrella.

A westbound UP stack train heads downhill through the giant S-curve at Shawmut with a Conrail Dash 8 on the point.

An ex-C&NW Dash 9 leads a westbound down-grade at Shawmut.

A short westbound intermodal train negotiates the giant, tight S-curve at Shawmut.

A big GE AC leads a long, empty vehicle train up the 1.0 percent grade between Bosque and Shawmut.

A clean and nearly new engine is on an eastbound in the late afternoon sunshine. One could smell the fresh paint as it went by.

CSX power leads an intermodal west through Shawmut Az.

BNSF power is not common on the UP and the UP's CNW Heritage unit adds to the consist. Westbound in the late afternoon in the Arizona desert. Digital photo.

Eastbound taken right at sunset. By the time the tail end went by the sun had set. Camera Canon 7D at ISO 800 with shutter at 1/400 and f stop whatever the camera wanted, which was f 4. Amazing ho... (more)

NS power leads a westbound intermodal downgrade through Shawmut AZ.

Rounding the big curve prior to Shamut coming out of Bosque with a very interesting locomotive consist.

UP 5475 and another GE unit are shoving hard on the tail end of a heavy eastbound intermodal train

UP 4821 and another unit are in DPU service on a heavy UP eastbound intermodal train