BNSF 1984 (SD40-2) works a string of hoppers in the yard in downtown Denver, Colorado.

BNSF 1984 (SD40-2) notches up to pull a cut of stack cars out of the intermodal yard in Denver, Colorado.

BNSF 1984 (SD40-2) leads the local from Golden, Colorado to Denver.

BNSF 1984 (SD40-2) leads a cut of freight cars across the South Platte River in Denver, Colorado.

Fall colors are in bloom as BNSF 1984 (SD40-2) pulls a string of freight cars out of the Denver Yard for sorting.

BNSF 1984 (SD40-2) moves into the intermodal facility to pull a cut of container cars out of the yard.

BNSF 1984 (SD40-2) runs light past the Union Pacific's North Yard in Denver, Colorado.

BNSF 1984 (SD40-2) pulls a string of stack train cars out of the intermodal facility in Denver, Colorado.

BNSF 1984 and rebuilt GP39-3 2621 sit in BNSF's 38th Street Yard

BNSF 1984 (SD40-2) works the small yard in Golden, CO which receives the Molson Coors Beer Train between Denver and Golden.

BNSF 1984, a former Burlington Northern SD40-2, takes a freight over the South Platte River in Denver, Colorado.

Two H1 SD40 types lead the twice weekly Pikes Peak Local into Sedalia on the Colorado Joint Line.

The twice weekly Pikes Peak Local rounds the curve into Sedalia behind two H1 SD40-2s on Colorado's Joint Line.

BNSF 1984 (ex BN SD40-2) heads back into the Denver Yard as heavies line up to leave.

BNSF 1984 (SD40-2) leads a colorful collection of BNSF power through the streets of downtown Fort Collins, Colorado.