Great Northern Diesel Locomotive 2528, Class U28B in Havre, Montana, undated. Photograph by Wade Stevenson.

Great Northern 2528, a General Electric Type U28B at at Spokane, Washington, April 12, 1968.

Great Northern Diesel Locomotive 2528, Class U28B in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2528, Class U28B in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2528, Class U28B in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2528, Class U28B in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2528, Class U28B in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2529, undated. The photograph shows an Electro-Motive Division Type GP-30, Great Northern Class GP-30. The locomotive is painted in the simplified green and orange scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotives led by Number 253, an Electro-Motive Division (EMD) FT, at Grand Forks, North Dakota, in 1946.

Great Northern Diesel Locomotive 2535, Class U33C in Wenatchee, Washington, undated. Photograph by Wade Stevenson.