UP 845 (ex MKT GP38-2) works the Union Pacific's North Yard in Denver, Colorado, while a couple of BNSF motors line up for sand and fuel.

BNSF 9196 (SD70ACe) leads the Coors Beer Train out of the yard in downtown Denver, Colorado and will arrive in Golden, Colorado, home of the Coors Brewery.

Amtrak engine #199 leads the Amtrak Winter Park Express Ski Train through the North Yard in Denver, Colorado as sunrise starts to break through the storm clouds.

A gaggle of Union Pacific light power sit in the North Yard in Denver, Colorado, waiting for the call to duty.

The setting sun and storms in the background makes the pumpkin paint glow as BNSF 2691 (GP39-2) works the yard in downtown Denver, Colorado.

BNSF 2745 (GP39E) notches up as it begins to move a cut of cars out of the bowl at the yard in downtown Denver, Colorado.

UP 845 (GP38-2) works deep in the North Yard in Denver, Colorado.

Southbound train somewhere on the south side of the town. Photo by Jim Satterwhite. From my collection.

UP 845 (an ex Missouri Kansas Texas GP38-2) works the Union Pacific's North Yard in Denver, Colorado.

BNSF 2745 (former Burlington Northern Cascade Green GP39E) climbs out of the bowl in the large yard in downtown Denver, Colorado.

BNSF 2691 (GP39-2) leads a cut of cars out of the Denver Yard as it sorts freight cars in downtown Denver, Colorado.

UP 845 (GP38-2) leads a bay window caboose used as a shoving platform through the North Yard.

Two BNSF motors, including a former ATSF Bluebonnet, sit in the Union Pacific's North Yard waiting for their turn at the servicing island.

The California Zephyr passes under Park Avenue Viaduct in downtown Denver, Colorado as it leaves Denver Union Station and heads west towards the Colorado Rocky Mountains.

BNSF 2745 (GP39E) leads a string of freight cars past a gaggle of geese sitting in the South Platte River in Denver, Colorado.