Great Northern Diesel Locomotive 2543, Class U33C in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern diesel locomotive 255, an Electro-Motive Division (EMD) FT, in the shops at Grand Forks, North Dakota, in 1946.

Great Northern Diesel Locomotives led by Number 255, an Electro-Motive Division (EMD) FT, at Grand Forks, North Dakota, in 1946.

Great Northern Diesel Locomotives led by Number 256, an Electro-Motive Division (EMD) FT, at Grand Forks, North Dakota, in 1946.

Great Northern Diesel Locomotive 2577, Class S2, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2578, Class S2, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2579, Class S2, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 257A at Fort Worth, Texas, 1964, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 257A at Minneapolis Jct., Minnesota on August 3, 1964. The photograph also shows locomotive number 257B. The lead locomotive is an Electro-Motive Division Type FT, Great Northern Class FT painted in the original green and orange scheme. Photograph by Tom Smart. Other subject classes: Locomotive-Diesel

Great Northern Steam Locomotive 2588, Class S2 in Hillyard, Washington, undated. Photograph by Wade Stevenson.