Great Northern Diesel Locomotive 2588, Class S2 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2588, Class S2 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2588, Class S2 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2588, Class S2 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 258A, undated, original orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 258A, undated. The photograph also shows locomotive number 258B. The lead locomotive is an Electro-Motive Division Type FT, Great Northern Class FT painted in the original green and orange scheme. Visible in the background is a turntable and a portion of a NP boxcar. Other subject classes: Locomotive-Diesel, Turntable

Great Northern Diesel Locomotive 259A at Carlton, Minnesota, September 10, 1966, ore train. Other subject classes: Freight train

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

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

Great Northern diesel locomotive 25X an Electro-Motive Division Type F7A, at Bellingham, Washington with train; Railway Post Office car 1106 partially visible; heading south past Puget Sound Pulp and Timber Company; photograph sequence TRWahl0176-0177; loco number is blurry. Other subject categories: Locomotive-Diesel, Industrial Buildings