UP 1865 (SD40N) runs a small freight west of Greeley, Colorado.

UP 1957 (SD40N) gets ready to pull a string of freight cars out of the ladder for sorting in the North Yard in Denver, Colorado.

Union Pacific heavy and light power populate the UP's North Yard in Denver, Colorado.

Greeley, Colorado has that 'land that time forgot' vibe as telegraph poles and old grain businesses line the tracks that go through town. UP 1820 (SD40N) heads into town and will continue through... (more)

UP 1640 (SD40N) and mate have the yard to themselves as they work on sorting freight cars into the ladders of the North Yard in Denver, Colorado.

LTA41 is about to roll underneath the newly constructed (at the time) I-90/Hwy 14/61 interchange East of Dakota, MN. Soon they'll roll across the Mississippi River and start the Wisconsin portion... (more)

UP 1868 leads a short LTA41, complete with the old Mopac Caboose, Eastward. The train is on the Western banks of the Mighty Minnesota River on the CP River Sub.

Cache Valley. Union Pacific 1846 leads a short train towards Ogden on the Cache Valley Subdivision.

The crew of UP 1837 (SD40N) comes in from the North Yard after sorting cars early in the morning.

UP 1837 (SD40N) pushes a cut of cars in the Union Pacific's North Yard in Denver, Colorado.

UP 1837 (SD40N) backs into a branch of the North Yard ladder to lash up to a string of cars that need to be sorted.

UP 1905 (SD40N) gets ready to lash up to a string of cars in the North Yard in Denver, Colorado.

A tagged UP 1837 (SD40N) waits for orders to work the North Yard in Denver, Colorado.

UP 1905 (SD40N) gets ready to pull another string of cars out of the side track for sorting in the North Yard.

With 85 cars in hand, this extra Job 21 rolls along thru Joice on the Fairmont Sub. This extra job ran out of Mason City bound for the Fairmont, MN, and back. Lucky for us, the high heat is slowly... (more)