Burlington Northern diesel locomotive 1843, formerly Northern Pacific 217, at Auburn, Washington, on May 31, 1971. 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 1841, formerly Northern Pacific 215, at Woodinville, Washington, on April 07, 1971. Number 1841 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20437. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, telegraph station.

Burlington Northern diesel locomotive 1840, formerly Northern Pacific 214, at Vancouver, Washington in 1979. Number 1840 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 20436. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1837, formerly Great Northern 685, at Tacoma, Washington, on March 06, 1986. Number 1837 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21258. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1837, formerly Great Northern 685, at Parkwater, Washington, on February 19, 1976. Number 1837 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 21258. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Burlington Northern diesel locomotive 1829, formerly Great Northern 677, at Seattle, Washington, on April 09, 1972. Number 1829 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 19362. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, structure.

Burlington Northern diesel locomotive 1826, formerly Great Northern 674, at Seattle, Washington, on April 09, 1972. Number 1826 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 19359. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, structure, water tank.

Burlington Northern diesel locomotive 1825, formerly Great Northern 673, at Tacoma, Washington, on March 19, 1972. Number 1825 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 19358. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1821, formerly Great Northern 669, at Havre, Montana, on August 23, 1972. Number 1821 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 19354. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 1821, formerly Great Northern 669, at Auburn, Washington, on May 29, 1971. Number 1821 is a GP9 built by General Motors Electro Motive Division (EMD), builder's number 19354. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.