UP 1865 (SD40N) sits waiting for order to sort cars in the yard at LaSalle, Colorado.

UP 1820 holds station in the yard at LaSalle, Colorado.

UP 3869 (SD70M) gets ready to leave LaSalle, Colorado and head south on the Greeley Sub towards Brighton.

UP 4367 (SD70M) waits for a green signal to pull forward in the yard at LaSalle, Colorado.

A pair of Union Pacific light motors sit on a siding in LaSalle, Colorado for orders to sort cars in the yard.

An oil can train passes by UP 4367 (SD70M) which will soon drop off the cars in the LaSalle, Colorado yard.

UP 4367 (SD70M) pulls a freight through the yard in LaSalle, Colorado, and approaches a pair of cantilevered signals that span the tracks.

UP 4367 (SD70M) bring a freight into the Union Pacific yard in LaSalle, Colorado after arriving from Cheyenne, Wyoming.

UP 1605 holds on a house track as UP 4367 (SD70M) muscles cars into the yard at LaSalle, Colorado.

UP 4367 (SD70M) brings a train into the yard in LaSalle, Colorado.

UP 4367 (SD70M) backs a train into the yard in LaSalle, Colorado.

UP 1605 (SD40-2) holds station on a siding in LaSalle, Colorado.

UP 4367 (SD70M) runs solo to the yard in LaSalle, Colorado.

UP 4722 (SD70M) sits in the yard in LaSalle, Colorado with a super heavy load.

UP 7058 (AC44ACM) is leaving LaSalle, Colorado behind as it runs towards Denver on the Greeley Sub.