An eastbound BNSF grain empty rumbles across the Clark Fork between Heron and Noxon, Montana, on a cold February 25, 2017.

The still morning of October 2, 2014, reveals fog lifting off a dead calm surface of the Clark Fork as an eastbound BNSF MSPOLAU freight crosses the bridge west of Noxon, Montana. Bracketing a tri... (more)

Winter at Noxon Bridge
On February 25, 2017, an eastbound BNSF grain empty crosses the Clark Fork at Noxon, Montana, on a busy morning on Montana Rail Link’s Fourth Subdivision.

A westbound earthworm trundles across one of the many fills that made this ex-Northern Pacific line through the Clark Fork river valley in western Montana possible.

A westbound BNSF coal train rumbles along the Clark Fork between Noxon and Heron, Montana, on February 24, 2017.

A westbound BNSF freight sprints across the Clark Fork bridge between Noxon and Heron, Montana, on May 4, 2012. Behind the road power is an uncommon rebuilt EMD SD9. It began life as a SD9 built f... (more)

During a brief break in the snowfall on February 25, 2017, a BNSF manifest freight thunders eastbound through Noxon, Montana.

Crossing an icy Clark Fork at Noxon, Montana, is an eastbound BNSF vehicle train on February 25, 2017. This scenic location is on Montana Rail Link’s Fourth Subdivision between Missoula and Sand... (more)

Charging along the Clark Fork between Noxon and Heron, Montana, is a westbound BNSF Q-train on February 24, 2017.

An eastbound BNSF grain train skims along the icy shore of the Cabinet Gorge Reservoir between Heron and Noxon, Montana, on February 5, 2016.

BNSF 5339 rolls east along the Clark Fork with an empty grain train on the Montana Rail Link. The location is a mile or two west of the Noxon bridge. Weather and train timing cooperated nicely thi... (more)

The sun breaks through clouds to light up a westbound coal train on Montana Rail Link as it crosses the Clark Fork at Noxon, MT. BNSF 5794 leads a trio, helped by a single rear DPU.

BNSF 7941 heads up an empty grain train rolling east over Montana Rail Link's Noxon bridge. The train will pull in to Tuscor siding and tie down. Tuscor is the next siding east of Noxon siding, we... (more)

Three former Burlington Northern SD70MACs team up with a former Santa Fe SD75M on a westbound coal train crossing the Clark Fork west of Noxon, Montana, on September 26, 2008.

BNSF 5705 leads a westbound grain train along the Clark Fork west of Noxon, MT on Montana Rail Link with a new Tier 4 GE trailing.