BNSF 9235, 9231, & 5717 ascend the grade out of Seward Nebraska with westbound empties.

An eastbound BNSF coal train passes milepost 143 as it slinks through the Badlands at Sully Springs, North Dakota, on August 26, 2018.

On June 24, 2018, BNSF’s HDENLAU freight passes through 370-foot Black Tunnel between the sidings of Piper and Dornick in Wyoming’s impressive Wind River Canyon on June 24, 2018.

Surrounded by craggy and arresting rock cliffs, a northbound BNSF freight led by SD70ACe No. 9235 approaches the south switch of Dornick siding in Wyoming’s Wind River Canyon on June 24, 2018.

BNSF’s HDENLAU (Denver to Laurel high priority merchandise)n freight approaches Minnesela siding south of Thermopolis in Wyoming’s Wind River Canyon on June 24, 2018.

Led by EMD SD70ACe No. 9235, BNSF’s HDENLAU freight passes through several rock cuts while pacing the Bighorn River at Thermopolis, Wyoming, on June 24, 2018. In the background are some of the h... (more)

BNSF 9235 with a fuel tendor and 2 other light helpers returns to Crawford, NE, on May 20, 2005.

On June 24, 2018, BNSF’s Denver to Laurel freight follows the Wind River at Dornick beneath the rocky cliffs of Wyoming’s scenic Wind River Canyon.

Westbound BNSF HDENLAU freight rumbles through Wind River Canyon north of Dornick, Wyoming, on June 24, 2018.

In Wyoming’s rugged Wind River Canyon, BNSF’s Denver to Laurel freight approaches the siding of Minnesela located south of Thermopolis on June 24, 2018.

Northbound BNSF freight HDENLAU passes through 370-foot Black Tunnel south of Dornick siding in Wyoming’s rugged and picturesque Wind River Canyon on June 24, 2018.

At 9:32 p.m. on June 24, 2018, BNSF’s Denver to Laurel manifest freight makes its way west along the Bighorn River and enters a darkening Himes Canyon at Himes, Wyoming.

BNSF’s Denver to Laurel freight passes Dornick siding beneath the rugged, towering cliffs of Wyoming’s Wind River Canyon on June 24, 2018.

The rear DPU locomotives of this Texas bound coal train continue to push hard on their load of black gold as they cross 29th street in Pueblo.

BNSF 9235 leads another string of coal up the grade through Greenland while a couple of horses chill by the big red barn.