UPY 691 (GP15-1) has somehow escaped the rebuild or repaint program but looks great in the weathered paint.
Amtrak engine #54 leads the California Zephyr through the North Yard as it heads towards Denver's Union Station.
There are 42 engines waiting for service or assignments in the yard of the BNSF engine servicing facility in Denver, Colorado.
A Norfolk Southern pony joins other UP motors at the service island in the North Yard in Denver, Colorado.
Denver Rock Island Railroad's GP9 (#88) gets ready to leave the yard.
Denver Rock Island Railroad's #553 (SW8) shuffles cars in a north Denver industrial area while storms fire off in the distance.
The California Zephyr leaves downtown Denver and passes under the Park Avenue Viaduct and by a Warbonnet waiting for service at the BNSF engine servicing facility.
UP heritage engine #1995 (SD70ACe) in the Chicago & Northwestern paint scheme waits for a crew that will then pilot the train over the Moffat Tunnel Sub.
BNSF Warbonnet #750 (Dash9) joins a NS Pony in the yard of the BNSF engine servicing facility in Denver, Colorado.
ATSF 4-6-4 3459 is leaving Denver with a six car train on May 23rd 1937. Otto Perry photo, from my collection.
The Denver Rock Island Railroad's GP9 moves a cut of cars in sub-zero degree weather.
The California Zephyr is surrounded by RTD commuter rail catenaries as it backs into Denver's Union Station.
Photographer unknown, from my collection.
UP 9013 (SD70ACe) leads a freight into the sunrise as it passes a power plan in northeast Denver, Colorado.
The Chicago Northwestern UP 1995 heritage engine (SD70ACe) is waiting at a signal tower in Denver, Colorado for a crew that will take the empty coal train up the Moffat Tunnel Sub.