Burlington Northern diesel locomotive 9769, formerly Northern Pacific 6511B, at Livingston, Montana, on September 02, 1972. Number 9769 is an F7B built by General Motors Electro Motive Division (EMD), builder's number 8741. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 9775, formerly Northern Pacific 6505C/ 6017B/ 6006B/ 6551B, at Livingston, Montana, on September 02, 1972. Number 9775 is an F3B built by General Motors Electro Motive Division (EMD), builder's number 3872. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 9788, formerly Northern Pacific 6513A, at Livingston, Montana, on September 02, 1972. Number 9788 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10855. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 9788, formerly Northern Pacific 6513A, at Livingston, Montana, on September 02, 1972. Number 9788 is an F7A built by General Motors Electro Motive Division (EMD), builder's number 10855. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Northern Pacific Electro-Motive Division Type GP9s numbered as Burlington Northern 1749 and 1997 at Garrison, Montana, April 10, 1971.

Great Northern Electro-Motive Division Type GP9s numbered as Burlington Northern 1823, 1804, 1803, and 1795 act as helpers behind Great Northern caboose X77 at Summit, Montana, April 9, 1971.

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.

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.

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.