UP 1019 (GP60) heads into the North Yard where the pair will sort cars in the north end of the yard in Denver, Colorado.

UP 1019 (GP60) passes a bay window caboose at it runs light through the North Yard in Denver, Colorado.

UP 1019 (GP60) sits next to an old Chicago Northwestern sand car and will soon get the call to action to head into the North Yard in Denver, Colorado.

Rio Grande caboose in Colorado Springs.

The crew of UP 1019 (GP60) gets ready to take their turn shuffling cars in the Union Pacific's North Yard in Devner, Colorado.

The Potash Local is about to clear up into Yard Limits at Potash and do their work.

A long train lends itself well to the scene as the Potash Local prepares to enter Bootlegger Canyon.

The Potash Local winds down the Cane Creek Sub.

The Potash Local exits the Green River Subdivision and enters the Cane Creek Sub at Brendel, passing the Approach signal guarding the junction between the two lines.

The Potash Local winds west with a couple geeps pulling a decent sized consist.

Rocky Mountain Railroading. Union Pacific 1019 and 688 (GP60 and GP38-2, respectively) are seen shunting cars at CP Roydale, likely preparing for morning deliveries to the industries in ... (more)

UP 1019 was built in 1989 as a GP60 for the St. Louis Southwestern (Cotton Belt). It now runs in Armour Yellow and is seen here waiting for an assignment in the Union Pacific's North Yard in Denv... (more)

UP 1019 (ex Cotton Belt GP60) waits for the chance to shuffle cars in the Union Pacific's North Yard.

The Potash Local heads westbound with empty hopper cars for Intrepid Potash.

The Potash Local heads westbound with empty hopper cars for Intrepid Potash.