A quartet of light power sit at the BNSF engine servicing facility in downtown Denver, Colorado.

A trio of BNSF light power get ready to head to the Denver Yard after being serviced at the downtown engine facility.

BNSF 1929 (SD40-2) pulls a cut of cars out of the Denver yard for sorting.

Heavy snow is falling on the BNSF engine servicing facility in Denver, Colorado.

A variety of light power, including two Burlington Northern Cascade Green engines, wait for service or assignment for the Denver Yard.

BNSF 1929 (SD40-2) crosses a stone archway as it heads towards Palmer Lake, Colorado.

A pair of SD40-2's pull a small freight into Palmer Lake and will head to Monument, Colorado.

BNSF 1929 (SD40-2) leads a freight towards Palmer Lake, Colorado.

Its a new day and soon the fleet of SD40-2's will be in the Denver Yard sorting freight.

Form follows function. The shapes of the two engines - BNSF 1929 (SD40-2) and AMTK 147 (P42DC) - indicate their purpose.....one to pull freight and one to speed passengers across the country.

Another late night visit to Kelker found me shooting an older pair of EMD's this time. The Pike's Peak local ran south during the day, and will return to Denver tomorrow morning. For a picture of ... (more)

The Pikes Peak local has just left the Kelker siding and now finds itself about to work customer Lhoist North America with a veteran SD40-2 as its power.

With only about 35 minutes left of sun light, BNSF 1929 and BNSF 1572 crest the hill on the Front Range Community College Campus near Hover Road in Longmont, CO.

A BNSF local works its was past the TOFC Yard adjacent to UP's North Yard.