Four Union Pacific six-motor GE locomotives, led by ET44AC No. 2713, hustle a coal empty over Logan Hill north of Bill, Wyoming, late in the day of June 22, 2018.

Four Union Pacific six-motor GE locomotives hustle a coal empty over Logan Hill north of Bill, Wyoming, late in the day of June 22, 2018.

UP 2713 gliding downgrade into the town of Benson, AZ