Great Northern Diesel Locomotive 692 at Wenatchee, Washington on undated. 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

Great Northern Diesel Locomotive 693, Class GP9 in Ephrata, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 693, Class GP9 in Ephrata, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 693, Class GP9 in Wenatchee, Washington, undated. This photograph was taken before dynamic brakes were installed. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 693, Class GP9 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 696, Class GP9 in Appleyard, Washington, undated. This photograph was taken before dynamic brakes were installed. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 696, Class GP9 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 696, Class GP9 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 698 at Tacoma, Washington on April 1, 1967. The photograph shows a freight train with two locomotives, 698 and 598. The lead locomotive is an Electro-Motive Division Type GP-9, Great Northern Class GP-9 painted in the simplified green and orange scheme. Visible in the background is an overpass. Visible in the foreground is a switch stand with colored lenses/markers. Photograph by James Estes. Other subject classes: Locomotive-Diesel, Train-Freight, Switch Stand

Great Northern Diesel Locomotive 705, undated. The photograph shows an Electro-Motive Division Type GP-9, Great Northern Class GP-9. The locomotive is painted in the Big Sky Blue scheme. Visible in the background are two water tanks. Other subject classes: Locomotive-Diesel, Tank-Water