The caravan grew as we proceeded north into Iowa. 3985 passed a northbound train here, which can barely been seen in the distance.

Just a few miles north of Trenton, 3985 quickly gets up to track speed on the single track Spine Line.

The latest in diesel superpower passes one of the surviving examples of steam superpower. A crewmember is hanging off the walkway taking a picture as his train rolls past the 3985.

UP 3985 Eases through Gibbon Neb.

UP 3985 rolls through Overton Neb.

UP 3985 eases through Odessa Neb. heading for Omaha Neb.

UP 3985 rolls through Gothenburg Neb. bound for Omaha Neb.

The huge 4-6-6-4 locomotive traveled to Southern California in May, 1994, to celebrate the Union Pacific Railroad Historical Society's Los Angeles Chapter's annual convention.

Lettered and numbered as a Clinchfield, the Challenger begins the 50th Anniversary Santa Train run.

UP 3985 spends the night under the road bridge in Trenton.

UP crew members acknowledge each other as UP 8553 sits on the siding waiting for the 3985 to pass.

UP 3977 shows off her articulation with DDA40X #6922 sitting in the background.

My favorite photo of the chase from Trenton to Boone. Note the end of an intermodal train on the far right side of photo.