Late on the afternoon of June 20, 2017, a southbound BNSF freight emerges from 177-foot Tunnel 4 in Wind River Canyon between Dornick and Piper, Wyoming, on BNSF’s Casper Subdivision.

Burlington Northern EMD GP38-2 No. 2353 leads a southbound BNSF freight through Tunnel 2 in rugged Wind River Canyon just south of Dornick on October 13, 1997.

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.

A northbound BNSF freight passes by the siding located at Dornick, Wyoming, while traversing Wind River Canyon about on June 20, 2017.

A BNSF freight heads southbound between the sidings of Minnesela and Dornick beneath the steep rock walls of Wyoming’s Wind River Canyon, on July 3, 2019.

A southbound BNSF manifest freight passes through Dornick in the depths of Wyoming’s Wind River Canyon on July 3, 2019.

A southbound BNSF manifest freight exits 177-foot Tunnel 4 between Dornick and Piper sidings in Wyoming’s Wind River Canyon on the afternoon of July 3, 2019.

Burlington Northern EMD GP38-2 No. 2353 leads a southbound freight through Tunnel 4 in rugged Wind River Canyon just south of Dornick, Wyoming, on October 13, 1997.

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.

Rumbling through Wyoming’s scenic Wind River Canyon is a northbound BNSF freight just north of Dornick siding on June 20, 2017.

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.

A westbound (Northbound) manifest enters the Wind River Canyon near Dornick, WY. The scenic canyon lies between Thermopolis, Wyoming and Shoshoni, 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.

Rumbling southbound in Wyoming’s Wind River Canyon is a BNSF freight just north of the siding at Dornick on June 20, 2017.