Great Northern diesel locomotive 200, an American Locomotive Company Type RS2 at Bellingham, Washington. On the fireman's side, photograph taken in or near the Great Northern yard. Other subject categories: Locomotive-Diesel, Train-Freight

Great Northern diesel locomotive 200, an American Locomotive Company Type RS2 at Bellingham, Washington. On the fireman's side, crewman visible, photograph taken in or near the Great Northern yard. Other subject categories: Locomotive-Diesel, Train-Freight

Great Northern Diesel Locomotive 2002, Class GP20 in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 2006 at Minneapolis, Minnesota, 1965, original orange/green paint scheme. Other subject classes: Locomotive

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

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

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

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.