On a cool October 8, 2018, a westbound BNSF manifest freight train works through Marias, Montana, after crossing the summit of Marias Pass on the railroad’s Hi Line Subdivision.

Edging the mountains of Glacier National Park is a trio of Burlington Northern Santa Fe GE C44-9Ws leading a westbound BNSF stack train that is climbing over Marias Pass at Marias, Montana, on Jun... (more)

On November 1, 1991, a westbound Burlington Northern freight works over Marias Pass at Marias, Montana, powered by three SD40-2s. This early snowstorm effected much of the northern part of the cou... (more)

The rugged peaks of Glacier National Park stand tall in the background on October 8, 2018, as a westbound BNSF vehicle train rumbles through Marias, Montana.

Little Dog and Summit Mountains stand tall over a westbound BNSF ethanol train that has just conquered the continental divide and is beginning its descent down Marias Pass on BNSF's Hi Line Subdiv... (more)

A westbound Burlington Northern Santa Fe stack train drops downgrade through Marias, Montana, on September 9, 1999, powered by BN SD40-2 No. 7031, former Santa Fe SD40-2 No. 6753, BN SD40-2 No. 80... (more)

A snow-covered mountain range in Glacier National Park towers above Burlington Northern train 1 as it heads westbound through Marias, Montana, on a frigid March 3, 1989.

On a cold and snowy October 10, 1997, Amtrak’s eastbound Empire Builder climbs over Marias Pass at Marias, Montana, led by GE P40DC No. 812 and EMD F40PH No. 378.

A respite from the clouds illuminates an eastbound Burlington Northern Santa Fe stack train climbing Marias Pass at Marias, Montana, on the morning of June 5, 2002. Santa Fe GE C44-9W No. 665 lead... (more)

Skirting the southern border of Glacier National Park, a westbound BNSF vehicle train passes through Marias, Montana, under a mountain backdrop not long after crossing the summit of Marias Pass on... (more)

An eastbound Burlington Northern freight climbs the west slope of Marias Pass at Marias, Montana, during a light snowfall on March 3, 1988. The train is powered by a three EMD Sd40-2s bracketing a... (more)

On March 1, 1989, a quartet of Oakway Leasing EMD SD60s power a Burlington Northern grain train over Montana’s Marias Pass. Marching westbound through Marias in a lightly falling snow on this fr... (more)

A westbound BNSF manifest freight train passes through Marias, Montana, under a mountain backdrop courtesy of Glacier National Park not long after crossing the summit of Marias Pass on October 8, ... (more)

Early season snow dusts the scene on the edge of Glacier National Park as a westbound BNSF grain train passes through Marias, Montana, after summiting the pass on October 10, 2018.

A colorful locomotives consist leads a westbound Burlington Northern Santa Fe stack train through Marias, Montana, on the morning of September 9, 1999. Year-old BNSF Heritage II Dash 9 No. 4834 le... (more)