BNSF 5235 (Dash9) strains to pull a stack train through Spruce, Colorado as it heads south on the Joint Line.

BNSF 5235 (Dash9) passes a helper engine at Spruce, Colorado as it runs south on the Joint Line.

CSX 938 (ES44AC) leads a freight through Spruce, Colorado as it runs southbound on the Joint Line.

BNSF 5235 (Dash9) runs southbound on the Joint Line as an empty coal runs past on the northbound track.

BNSF 7846 (ES44DC) runs south on the Joint Line through Spruce, Colorado.

BNSF 5529 (Dash9) running southbound on the Joint Line meets a northbound stack train at Spruce, Colorado.

A heavy train of miscellaneous freight makes its way up the grade at Spruce, with nothing short of fantastic Colorado scenery for a backdrop.

A CP locomotive leads a Sweet Grass, MT to Guernsey, CA grain shuttle as it climbs the 1.5% grade of the Palmer Divide near Spruce, CO.

BNSF 8994 North leads an empty coal train back to Wyoming's Powder River Basin as it descends UP's Main Two track after topping over the summit of the Palmer Divide. On BNSF's Main One track, a lo... (more)

With the summit of the Palmer Divide only a couple of miles away, a heavy loaded ballast train from Cheyenne, WY to Pueblo, CO only has to battle gravity for a little longer as the sound of GE pri... (more)

BNSF 6190 heads through the S curve at Spruce, Colorado as it runs south on the Joint Line.

Afternoon thunderstorms are developing as BNSF 6190 (ES44AC) leads a coal train through Spruce, Colorado.

BNSF 6190 (ES44AC) races the developing thunderstorms as it passes by the signal at Spruce, Colorado on the southbound track of the Joint Line.

BNSF 6190 (ES44AC) races the thunderstorms as it heads south on the Joint Line through Spruce, Colorado.

BNSF 6190 (ES44AC) passes a helper engine sitting on a siding at Spruce, Colorado. Note the replacement door from a Warbonnet.