Denver Rock Island Railroad's #1083 (SW1500) crosses a street in Denver, Colorado.

Denver Rock Island Railroad's SW1500 runs a gondola through the Stockyards area in Denver, Colorado.

The Denver Rock Island Railroad's motors sit idle at their facility in Denver, Colorado.

The Denver Rock Island Railroad's SW1500 heads back to the engine facility in Denver, Colorado.

Denver Rock Island Railroad's #1083 (SW1500) moves an oil can from a customer in Denver's Stockyards area.

The Denver Rock Island Railroad's #1083 (SW1500) pics up an oil can from a customer in Denver, Colorado.

The Denver Rock Island Railroad's #1083 (SW1500) pulls a cut of gondolas out of the yard in Denver, Colorado.

The Denver Rock Island Railroad's SW1500 crosses the South Platte River and heads back to the yard in the Denver Stockyards.

The Denver Rock Island Railroad's SW1500 pulls a cut of cars across a street and towards the BNSF main line where they will be taken to Denver.

Denver Rock Island Railroad's SW1500 runs to get a cut of cars in the industrial area called The Stockyard.

The crew of the Denver Rock Island Railroad's SW1500 heads to the barn as the chores are done for the day.

Denver Rock Island Railroad's #1083 (SW1500) works the industrial area known as The Stockyards in north Denver, Colorado.

Race Court Railroad Crossing. Denver Rock Island Railroad SW1500 no. 1083 is seen crossing Race Ct in Denver, CO as it makes its way to the interchange yard with BNSF.

Rock Island Rail and Rebar. Denver Rock Island Railroad SW1500 no. 1083 is seen spotting cars at CMC Rebar in Denver, CO. The unit was originally Southern Pacific 2480, and was purchase... (more)

Switching Over the South Platte. Denver Rock Island Railroad SW1500 no. 1083 is seen crossing the South Platte River with a cut of cars, heading for interchange with BNSF Railway. The u... (more)