Burlington Northern diesel locomotive 1843, formerly Northern Pacific 217, at Longview Junction, Washington, on July 20, 1976. Number 1843 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20439. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1843 at Ridgefield, Washington, on July 20, 1976. Burlington Northern train number 53840, the Portland to Kelso local freight led by 1843 is switching while the Milwaukee 5607 passes with a southbound freight. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 1844, formerly Northern Pacific 218, at Auburn, Washington, on April 26, 1971. Number 1844 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20305. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1844 at Bremerton, Washington, on August 1980. Burlington Northern 1844 with the Battleships Missouri and New Jersey showing in the background. Photo by J.M. Fredrickson. Other Subject Classes: freight train, diesel locomotive.

Burlington Northern diesel locomotive 1845, formerly Northern Pacific 219, at Tacoma, Washington, on April 05, 1971. Number 1845 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20306. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1846, formerly Northern Pacific 220, at Tacoma, Washington, on May 14, 1971. Number 1846 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20307. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, roundhouse.

Burlington Northern diesel locomotive 1846, formerly Northern Pacific 220, at Tacoma, Washington in 1972. Number 1846 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20307. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1847, formerly Northern Pacific 221, at Tacoma, Washington, on February 17, 1971. Number 1847 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20308. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1847, formerly Northern Pacific 221, circa 1973. Number 1847 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20308. Photo by Al Harris, J.M. Fredrickson Collection. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1848, formerly Northern Pacific 222, at Vancouver, Washington, on November 28, 1971. Number 1848 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20309. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.