Great Northern Diesel Locomotive 679 at Superior, Wisconsin on July 28, 1969. 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. A crew member is visible in the cab of the locomotive. Other subject classes: Locomotive-Diesel, People-Railroad Crew

Great Northern Diesel Locomotive 679 at Superior, Wisconsin on July 28, 1969. 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 is a portion of a Great Northern boxcar. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 640 at Superior, Wisconsin, August 1975, original orange/green paint scheme (as Burlington Northern 1540). Other subject classes: Locomotive

Great Northern Diesel Locomotive 588 at Superior, Wisconsin on July 29, 1969. The photograph shows a freight train with an Electro-Motive Division Type SD-9, Great Northern Class SD-9 locomotive. The locomotive is painted in the simplified green and orange scheme. Visible behind the locomotive and in the background are Great Northern boxcars. A crew member is visible in the cab of the locomotive. Other subject classes: Locomotive-Diesel, Train-Freight, People-Railroad Crew

Great Northern Diesel Locomotive 586 at Superior, Wisconsin on July 29, 1969. The photograph shows an Electro-Motive Division Type SD-9, Great Northern Class SD-9. The locomotive is painted in the simplified green and orange scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 586 at Superior, Wisconsin on July 29, 1969. The photograph shows an Electro-Motive Division Type SD-9, Great Northern Class SD-9. The locomotive is painted in the simplified green and orange scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 576 at Superior, Wisconsin on May 1, 1970. The photograph shows a freight train with two locomotives. The lead locomotive is an Electro-Motive Division Type SD-9, Great Northern Class SD-9 painted in the Big Sky Blue scheme. Other subject classes: Locomotive-Diesel, Train-Freight

Great Northern Diesel Locomotive 574 at Superior, Wisconsin on July 30, 1969. The photograph shows an Electro-Motive Division Type SD-9, Great Northern Class SD-9. The locomotive is painted in the simplified green and orange scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 572 at Superior, Wisconsin, June 27, 1962, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 569 at Superior, Wisconsin on July 29, 1969. The photograph shows an Electro-Motive Division Type SD-7, Great Northern Class SD-7. The locomotive is painted in the Big Sky Blue scheme. Other subject classes: Locomotive-Diesel