Great Northern Railway 680 at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model GP9 w/boiler. Other subject classes: Locomotive, GP-9

Great Northern Railway 587 at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model SD9. Other subject classes: Locomotive, SD-9

Great Northern Railway 584 at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model SD9. Other subject classes: Locomotive, SD-9

Great Northern Railway 574 at Boylston, Wisconsin in 1967. Train number 2/408 at Boylston, Wisconsin Other subject classes: SD-9, Bridge, Locomotive

Great Northern Railway 572 at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model SD7. Other subject classes: Locomotive, SD-7

Great Northern Railway 571 at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model SD7. Other subject classes: Locomotive, SD-7

Great Northern Railway 564 at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model SD7. Other subject classes: Locomotive, SD-7

Great Northern Railway 317-A at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model F7A. Other subject classes: Locomotive, F-3-7-AB

Great Northern Railway 316-A at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model F7A. Other subject classes: Locomotive, F-3-7-AB

Great Northern Railway 314-A at Superior, Wisconsin. The locomotive is a General Motors Electro Motive Division Model F7A. Other subject classes: Locomotive, F-3-7-AB