UP 7819 (AC45CCTE) leads the LaSalle local as it runs back to LaSalle, Colorado.

ZCIG1 heads through Pepper as they pass power for (left to right) MWCFR, MWCEC, and LOQ32 in the departure yard at West Colton.

The day is almost over for the crew of UP 7819 (ES44AC) as it arrives with a cut of cars at LaSalle, Colorado.

UP 7819 (C45ACCTE) returns the LaSalle local from Windsor, Colorado.

An eastbound Union Pacific freight is on the long trek across Great Salt Lake at Lakeside, Utah, on March 5, 2012. A 12-mile wood trestle used to carry the railroad straight across the lake, but d... (more)

Going to sea by rail
An eastbound Union Pacific freight begins the long trek across Great Salt Lake at Lakeside, Utah, as the end of the train in the foreground is about to leave terra ... (more)

Great Salt Lake crossing
An eastbound Union Pacific freight begins the long trek across Great Salt Lake at Lakeside, Utah. A wood trestle used to carry the line straight across directly... (more)

Union Pacific's Marion, AR to Oakland, CA double stack and piggyback combo breezes west along the Evanston Sub at Henefer, Utah.

Full moon just after sunset at Lenwood, west of Barstow