UP 4141 leads MITBU south on the Valley Sub through the swamps of south central Wisconsin.

The Bush Presidential Library unit and MoPac heritage unit run a southbound UP train on the CN at Necedah, WI.

UP's Presidential unit and the Mopac unit are among the units at Itasca Yard on this somewhat sunny Sunday.

Bush Library unit in Superior, WI. Coupled to it is the MOPAC unit!

"Dow Safety Train".

Fort Worth bound train heads north toward Waco with 4141, 1988, and 1982.

The Houston bound train has just turned the corner at Tower 55 as it makes its way to Ney Yard and points south.

The Houston to Fort Worth Manifest heading north toward Waco.

Power for the Fort Worth to Houston manifest heads back into the yard to retrieve it's train after coming out of the ready track.

UP 4141 rounds the curve as it flies by heading toward Waco.

UP 4141 leads the Houston to Fort Worth manifest through Waco Siding on the Fort Worth Sub.

UP 4141 leads an MFWHOX past Ney Yard toward the Midlothian Sub.

As a transfer run from Ney Yard waits for a signal at Tower 55, UP 4141 South heads for the Midlothian Sub.

UP 4141 basks in the early morning sun at UP's engine facility in Centennial Yard.