Burlington Northern diesel locomotive 215, formerly Northern Pacific 156, at Interbay, Washington, on June 23, 1973. Number 215 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 22758. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, oil tank.

Burlington Northern diesel locomotive 182, formerly Northern Pacific 123, at Interbay, Washington, on February 26, 1973. Number 182 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 20332. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern diesel locomotive 182, formerly Northern Pacific 123, at Interbay, Washington, on February 26, 1973. Number 182 is an SW1200 built by General Motors Electro Motive Division (EMD), builder's number 20332. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.

Burlington Northern 725, former Northern Pacific 6011C at the Interbay roundhouse in Seattle, Washington, in August 1971. Northern Pacific 6011C, a type F7B built by General Motors Electromotive Division in 1950. Photo by GJ Werkema. Other subject classes: diesel locomotive, F7B