Great Northern Diesel Locomotive 322, Class SDP40 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 322, Class SDP40 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 322, Class SDP40 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 323 at Bellingham, Washington, June 4, 1968, diesel locomotive number 323, leading Train 358 (the "International"). Other subject classes: Passenger train

Great Northern Diesel Locomotive 323 at New Westminster, British Columbia, June 4, 1968, diesel locomotive number 323, leading Train 358 (the "International"). Other subject classes: Passenger train

Great Northern Diesel Locomotive 323 at New Westminster, British Columbia, June 4, 1968, diesel locomotive number 323, leading Train 359 (the "International"). Other subject classes: Passenger train

Great Northern Diesel Locomotive 323 at New Westminster, British Columbia, June 4, 1968, diesel locomotive number 323, leading Train 359 (the "International"). Other subject classes: Passenger train

Great Northern Diesel Locomotive 323 at Seattle, Washington on August 1, 1967. The photograph shows an Electro-Motive Division Type SDP-40, Great Northern Class SDP-40. The locomotive is painted in the simplified green and orange scheme. Visible in the background are two water tanks. Photo location: Interbay roundhouse. Other subject classes: Locomotive-Diesel, Tank-Water

Great Northern Diesel Locomotive 323, Class SDP40 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 323, Class SDP40, undated. Photograph by Wade Stevenson.