Great Northern Railway 617 at Minneapolis, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-7. Big Sky Blue paint scheme. Other subject classes: Locomotive, GP-7

Great Northern Railway 627 at Minneapolis, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-7. Other subject classes: Locomotive, GP-7

Great Northern Railway 637 at Minneapolis Junction, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-7. Other subject classes: Locomotive, GP-7

Great Northern Railway 640 at Minneapolis Junction, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-7. Other subject classes: Locomotive, GP-7

Great Northern Railway 645 at Minneapolis, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-7. Other subject classes: Locomotive, GP-7

Great Northern Railway 651 at Minneapolis, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-7. Other subject classes: Locomotive, GP-7

Great Northern Railway 651 at Minneapolis, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-7. Other subject classes: Locomotive, GP-7

Great Northern Railway 660 at Minneapolis Junction, Minnesota. 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 665 at Minneapolis, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-9. Other subject classes: Locomotive, GP-9

Great Northern Railway 666 at Minneapolis Junction, Minnesota. The locomotive is a General Motors Electro Motive Division Model GP-9. Other subject classes: Locomotive, GP-9