UP 3880 (SD70M) backs a freight into the yard at LaSalle, Colorado.

After leaving Denver is a blizzard and battling heavy snow and iced-up switches, Union Pacific's Big Boy #4014 (2-8-8-2) continued battling snowstorms in LaSalle, Colorado as it crossed the bridge... (more)

Union Pacific's #8117 (ES44AC) leads a freight into the yard at LaSalle, Colorado on the Greeley Sub.

UP 5707 (AC4400CW-CTE) leads a freight past the silo in LaSalle, Colorado.

UP 8117 (ES44AC) leads a load of hoppers through LaSalle, Colorado on the Greeley Sub.

UP 6889 (AC4460CW) leads a freight solo as it leaves LaSalle, Colorado.

UP 3831 (SD70M) brings a freight into the yard at Greeley, Colorado.

UP 8948 (SD70AH) brings a freight into the yard at LaSalle, Colorado.

UP 1820 (SD40N) moves into the yard at LaSalle, Colorado.

The crew of UP 1865 (long snoot SD40N) calls it a day after working the yard in LaSalle, Colorado.

UP 4363 (SD70M) heads south on the Greeley Sub with the local freight job.

UP 8931 (SD70ACe) leads an oil can train towards LaSalle, Colorado on the Greeley Sub.

UP 4363 (SD70M) arrives at Platteville, Colorado where the crew will pick up a few more cars.

UP 4363 (SD70M) leaves the yard at LaSalle, Colorado and will heads south on the Greeley Sub.

The day's last minutes of sun catch UP 4528 (SD70M) lashing up to a cut of cars in the yard at LaSalle, Colorado.