BNSF 2604 (GP39-3) leads a short freight on the Front Range Sub in Broomfield, Colorado.

The Rocky Mountains have fresh snow on the peaks as BNSF 2604 (GP39-3) pulls a short freight towards Lafeyette, Colorado.

BNSF 2604 (GP39-3) works the yard in Longmont, Colorado and will take the Buck Local to Lafeyette to deliver wood to a customer there.

Snow has fallen in the high country of the Colorado Rocky Mountains as the Buck Local gets ready to take the Lafayette spur off the Broomfield Siding.

BNSF 2604 (GP39-3) leads a load of wood cars around apartments in Broomfield, Colorado.

The Denver to Laurel, Montana train passes the Buck Local as it occupies the Broomfield Siding on the Front Range Sub.

BNSF 2604 (GP39-3) jumps on the Broomfield Siding so the Denver to Laurel, Montana train can pass.

BNSF 2604 (GP39-3) leads a freight towards Broomfield, Colorado on the Front Range Sub.

BNSF 2604 (GP39-3) heads to the yard in Longmont to pick up the cars for the Buck Local destined for Lafeyette, Colorado.

BNSF 2604 (GP39-3) heads to the yard in Longmont, Colorado to pick up the local train for Lafeyette, Colorado.

BNSF 2604 (GP39-3) leads the Buck Local towards Broomfield, Colorado on the Front Range Sub.

BNSF 2604 (GP39-3) runs past apartments as it heads to Broomfield, Colorado.

BNSF 2604 (GP39-3) leads a load of wood towards Broomfield, Colorado.

BNSF 2604 (GP39-3) pulls a load of wood for a customer in Lafeyette, Colorado.

BNSF 2604 (GP39-3) rounds the corner in Broomfield, Colorado as it heads south on the Front Range Sub.