Great Northern Diesel Locomotive 598 on October 1, 1967. The photograph shows an Electro-Motive Division Type SD-9, Great Northern Class SD-9. The locomotive is painted in the original green and orange scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotives 6, Class S2 and 838, Class C1 in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 6 at Hillyard, Washington, November 23, 1965, simplified orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 600 at Saint Paul, Minnesota, June 5, 1971, original orange/green paint scheme (as Burlington Northern 1500). Other subject classes: Locomotive

Great Northern Diesel Locomotive 600, Class GP7 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 601 at Edmonds, Washington on February 1, 1990. The photograph shows an Electro-Motive Division Type GP-7, Great Northern Class GP-7. The locomotive is painted in the original green and orange scheme. A Great Northern caboose is visible. Other subject classes: Locomotive-Diesel, Caboose-Wood

Great Northern Diesel Locomotive 601, Class GP7 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern diesel locomotive 601 at Bellingham, Washington leading southbound passenger train north of Squalicum Creek; Olympic Portland Cement Company dock in background. Other subject categories: Locomotive-Diesel, pier, GP7, Water

Great Northern Diesel Locomotive 602, Class GP7 heading the "Cascadian" in Skykomish, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 602, Class GP7 in Skykomish, Washington, undated. Photograph by Wade Stevenson.