Great Northern Diesel Locomotive 311A at Superior, Wisconsin on June 22, 1969. The photograph also shows locomotive number 569. The lead locomotive is an Electro-Motive Division Type F-7, Great Northern Class F-3-7-A painted in the Big Sky Blue scheme. Visible in the background is a portion of Great Northern locomotive 569. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 309A at Superior, Wisconsin on July 8, 1966. The photograph shows an Electro-Motive Division Type F-7, Great Northern Class F-3-7-A. The locomotive is painted in the original green and orange scheme. Photograph by Karl Henkels. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 267A at Superior, Wisconsin on July 2, 1955. The photograph shows a close-up view of an Electro-Motive Division Type F-5, Great Northern Class P-3-7-A nose inside a roundhouse. The locomotive is painted in the original green and orange scheme. Other subject classes: Locomotive-Diesel, Roundhouse

Great Northern Diesel Locomotive 259A at Superior, Wisconsin, September 10, 1966, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 259A at Superior, Wisconsin, September 8, 1966, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 180 at Superior, Wisconsin, 1958, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 180 at Superior, Wisconsin on July 1, 1958. The photograph shows an Electro-Motive Division Type NW-3, Great Northern Class RS-1. The locomotive is painted in the original green and orange scheme. Visible above the locomotive are tell tales and in the background a large brick building. Other subject classes: Locomotive-Diesel