A westbound BNSF vehicle train crosses the bridge over crystal clear Big Spring east of Toston, Montana, on June 30, 2016.

An eastbound BNSF coal train passes Toston Dam on the Missouri River east of Toston, Montana, on the afternoon of September 11, 2011.

A westbound BNSF coal train approaches Toston, Montana, while negotiating Montana Rail Link’s main line through Lombard Canyon on the afternoon September 11, 2011.

On the morning of July 4, 2018, a westbound BNSF grain train curves along the Missouri River in Lombard Canyon east of Toston, Montana, on Montana Rail Link’s Second Subdivision between Laurel a... (more)

With a lot of track work being done in Lombard Canyon on the Montana Rail Link 2nd Sub, this eastbound inspection train will be the last for awhile, as the work window for today's track work is ab... (more)

The sun breaks through the clouds and peeks over the top of the Lombard Canyon on the Montana Rail Link 2nd Sub. This westbound Stack will be the last train for awhile as the window for the day's ... (more)

An empty eastbound string of coal hoppers with BNSF No. 5659 leading through Lombard Canyon along the Missouri River on the Montana Rail Link 2nd Sub.

Before the track work window begins, a empty Grainer make its way east in the Lomgard Canyon following the Missouri River.

Following the Missouri River and the Lewis and Clark Trail, a string of Cans makes it's way eastbound through the Lombard Canyon.

As the morning sun peeks over the rim of Lombard Canyon, eastbound Montana Rail Link No. 4300 rolls a manifest along the Missouri River and the Lewis and Clark Trail.

A pair of colorful warbonnets power a westbound Burlington Northern Santa Fe freight through Lombard Canyon east of Toston, Montana, on July 1, 2001. Leading the train is former Santa Fe EMD SD75M... (more)

For many years, Montana Rail link 840 local, also known as the Helena local, has been mostly powered by a pair of rebuilt SD40s (SD40-2XRs) that was sought out as a photographic subject in scenic ... (more)

A westbound BNSF grain train curves along a tranquil Missouri River in Lombard Canyon east of Toston, Montana, on July 4, 2018.

An eastbound BNSF coal empty cruises by a relic from another age—the old Northern Pacific-era stock pens, complete with two loading chutes—still located at Toston, Montana, on July 1, 2018.

Calm water on the Missouri River softly reflects steep canyon walls and an eastbound BNSF coal empty in Lombard Canyon east of Toston, Montana, late on the afternoon of June 25, 2017.