Great Northern Diesel Locomotive 556 at Superior, Wisconsin on July 29, 1969. The photograph shows a freight train with an Electro-Motive Division Type SD-7, Great Northern Class SD-7. The locomotive is painted in the simplified green and orange scheme. A crew member is visible in the cab of the locomotive. Other subject classes: Locomotive-Diesel, Train-Freight, Car-Tank

Great Northern Diesel Locomotive 560 at Minneapolis, Minnesota, February 1964, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 560 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 simplified green and orange scheme. Visible in the background are the remnants of a water tank. Other subject classes: Locomotive-Diesel, Tank-Water

Great Northern 562, an Electro-Motive Division Type SD7 at Superior, Wisconsin, August 15, 1961.

Great Northern 562, an Electro-Motive Division Type SD7 at Superior, Wisconsin, August 15, 1961.

Great Northern Diesel Locomotive 563 at Minneapolis, Minnesota, 1968, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 564 at Superior, Wisconsin, May 2, 1970, simplified orange/green paint scheme. Other subject classes: Locomotive

Great Northern 568 (part of the Burlington Northern since March 1, 1970), an Electro-Motive Division Type SD7 at Sandpoint, Idaho, March 27, 1970.

Great Northern 568, an Electro-Motive Division Type SD7 at Spokane, Washington, April 13, 1968.

Great Northern 568, an Electro-Motive Division Type SD7 at Spokane, Washington, April 13, 1968.