Great Northern Diesel Locomotive 2009, Class GP20 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2009, Class GP20 and a Class U25B in Washington State, undated. Photograph by Wade Stevenson.

Great Northern 2009 and 2015 (part of the Burlington Northern since March 1, 1970), Electro-Motive Division Type GP20's at Algoma, Idaho, March 28, 1970.

Great Northern 2009 and 2015 (part of the Burlington Northern since March 1, 1970), Electro-Motive Division Type GP20's at Algoma, Idaho, March 28, 1970.

Great Northern Diesel Locomotive 201 at Spokane, Washington on November 12, 1967. The photograph also shows locomotive number 203. Both locomotives are Electro-Motive Division Type SW-1500, Great Northern Class SW-15 painted in the Big Sky Blue scheme. Visible in the background is a portion of a Great Northern boxcar. Other subject classes: Locomotive-Diesel, Train-Freight

Great Northern Diesel Locomotive 201 at Spokane, Washington on undated. The photograph also shows locomotive number 203. Both locomotives are Electro-Motive Division Type SW-1500, Great Northern Class SW-15 painted in the Big Sky Blue scheme. Visible in the background is a transfer table and diesel servicing brick buildings. Photograph by Robert Johnson. Other subject classes: Locomotive-Diesel, House-Diesel

Great Northern Diesel Locomotive 201, Class RS2 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 201, Class RS2 in Washington State, undated. Photograph by Wade Stevenson.

Great Northern diesel locomotive 201, an American Locomotive Company Type RS2 at Bellingham, Washington. On the engineer's side photograph taken in or near the Great Northern yard. Other subject categories: Locomotive-Diesel, Train-Freight

Great Northern diesel locomotive 201, an American Locomotive Company Type RS2 at Bellingham, Washington. On the engineer's side, photograph taken in or near the Great Northern yard. Other subject categories: Locomotive-Diesel, Train-Freight