Chicago, Burlington and Quincy Electro-Motive Division Type GP35 numbered as Burlington Northern 2536, Northern Pacific Type GP9 as Burlington Northern 1747, Great Northern Type GP7 as Burlington Northern 1530, and Great Northern Type GP9 as Burlington Northern 1770 at Summit, Montana, April 9, 1971.

Burlington Northern diesel locomotives 2889, 2713 and 2730 heading south with a manifest freight train at Sweet Grass, Montana in August 1992. Photograph by Charles W. Bohi.

Chicago, Burlington and Quincy Electro-Motive Division Type GP40 numbered as Burlington Northern 3030, Northern Pacific Electro-Motive Division Type SD45 as Burlington Northern 3629 and Northern Pacific General Electric Type U25C Numbered as Burlington Northern 2527 at Whitefish, Montana, May 16, 1970.

Northern Pacific 384 (part of the Burlington Northern since March 1, 1970), an Electro-Motive Division Type GP9, a Great Northern Electro-Motive Division Type F7A numbered as Burlington Northern 686, a Great Northern Type F7B numbered as Burlington Northern 679, and Southern Pacific 7114, an American Locomotive Company (ALCO) Type C628 at Missoula, Montana, May 17, 1970.

Northern Pacific General Electric Type U25C numbered as Burlington Northern 5609, Chicago, Burlington and Quincy Electro-Motive Division Type SD9 numbered as Burlington Northern 6249 and Burlington Northern 6247 west of at Missoula, Montana, September 5, 1970.

Northern Pacific General Electric Type U25C numbered as Burlington Northern 5673, Great Northern Electro-Motive Division Type SD45 numbered as Burlington Northern 6450, and Northern Pacific Electro-Motive Division Type SD45 numbered as Burlington Northern 6418 at Missoula, Montana, September 6, 1970.

Northern Pacific Electro-Motive Division Type SD45 numbered as Burlington Northern 6418, Great Northern Electro-Motive Division Type SD45F as Burlington Northern 428, and Great Northern Type SD45 as Burlington Northern 423 at Trego, Montana, May 17, 1970.

Great Northern Electro-Motive Division Type SD45 numbered as Burlington Northern 6436, Great Northern Type F45 as Burlington Northern 430, and Northern Pacific Type SD45 as Burlington Northern 3613 at Glacier Park, Montana, May 16, 1970.

Great Northern Electro-Motive Division Type SD45F numbered as Burlington Northern 6600 and Spokane, Portland and Seattle Railway American Locomotive Company (ALCO) Type C425 numbered as Burlington Northern 4240 at Whitefish, Montana, September 6, 1970.

Great Northern Electro-Motive Division Type SD45Fs numbered as Burlington Northern 6612 and 6607 at Summit, Montana, April 9, 1971.