Great Northern Diesel Locomotive 657, undated. The photograph shows an Electro-Motive Division Type GP-9, Great Northern Class GP-9. The locomotive is painted in the original green and orange scheme. Also visible are Great Northern Caboose X94 and an Atchison, Topeka and Santa Fe (ATS&F) ?piggy-back? trailer. Other subject classes: Locomotive-Diesel, Caboose-Wood

Great Northern Diesel Locomotive 659, Class in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 659, Class GP9 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 659, Class GP9 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 663, Class GP9 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 663, Class GP9, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 663, Class GP9, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 668, Class GP9 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 668, Class GP9 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 675 at Seattle, Washington on July 1, 1967. The photograph shows an Electro-Motive Division Type GP-9, Great Northern Class GP-9. The locomotive is painted in the simplified green and orange scheme. Other subject classes: Locomotive-Diesel