Great Northern Railway 731 at Wenatchee, Washington. The locomotive is a General Motors Electro Motive Division Model GP-9. Big Sky Blue paint scheme. Other subject classes: Locomotive, GP-9

Great Northern Railway 731 at Wenatchee, Washington. The locomotive is a General Motors Electro Motive Division Model GP-9. Big Sky Blue paint scheme. Other subject classes: Locomotive, GP-9

Great Northern Railway 727 at Wenatchee, Washington. The locomotive is a General Motors Electro Motive Division Model GP-9. Big Sky Blue paint scheme. Other subject classes: Locomotive, GP-9

Great Northern Railway 718 at Wenatchee, Washington. The locomotive is a General Motors Electro Motive Division Model GP-9. Other subject classes: Locomotive, GP-9

Great Northern Railway 716 at Wenatchee, Washington. The locomotive is a General Motors Electro Motive Division Model GP-9. Big Sky Blue paint scheme. Other subject classes: Locomotive, GP-9

Great Northern Railway 715 at Wenatchee, Washington. The locomotive is a General Motors Electro Motive Division Model GP-9. Other subject classes: Locomotive, GP-9

Great Northern Railway 714 at Wenatchee, Washington. The locomotive is a General Motors Electro Motive Division Model GP-9. Big Sky Blue paint scheme. Other subject classes: Locomotive, GP-9