Burlington Northern diesel locomotive 1882 at Auburn, Washington, on August 10, 1970. Number 1882, a GP9, is shown with ex-Northern Pacific GP9 number 254 and ex-Northern Pacific F7A 6017A and F5A 6052A in front of the diesel shop. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1881, formerly Northern Pacific 258, at Tacoma, Washington in May 1971. Number 1881 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21430. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1881, formerly Northern Pacific 258, at Longview Junction, Washington, on July 21, 1976. Number 1881 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21430. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1880, formerly Northern Pacific 257, at Auburn, Washington, on May 25, 1971. Number 1880 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21429. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1879, formerly Northern Pacific 256, at Tacoma, Washington in May 1971. Number 1879 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21428. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1879, formerly Northern Pacific 256, at Tacoma, Washington in May 1971. Number 1879 is a GP9, GP7 built by General Motors Electro Motive Division (EMD). Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1879, formerly Northern Pacific 256, at Tacoma, Washington in May 1971. Number 1879 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21428. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1879, formerly Northern Pacific 256, at Sumas, Washington in February 1976. Number 1879 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21428. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1878, formerly Northern Pacific 255, at Auburn, Washington, circa 1978. Number 1878 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21427. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1878, formerly Northern Pacific 255, at Auburn, Washington in July 1975. Number 1878 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21427. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.