Great Northern Diesel Locomotive 310, Class FA in Hillyard, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 310, Class FA in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 310, Class FA in Washington State, undated. Photograph by Wade Stevenson.

Great Northern diesel locomotive 310A, an American Locomotive Company Type FA1, at Bellingham, Washington leading southbound caboose hop with Great Northern FA1 310B north of Squalicum Creek; Olympic Portland Cement Company in background. Other subject categories: Locomotive-Diesel, caboose

Great Northern diesel locomotive 310A, an American Locomotive Company Type FA1, at Bellingham, Washington leading northbound freight train; Mount Baker Plywood in background. Other subject categories: Locomotive-Diesel, Train-Freight

Great Northern diesel locomotive 310A, an American Locomotive Company Type FA1, at Bellingham, Washington. at depot with Great Northern FA1 310B. Other subject categories: Locomotive-Diesel

Great Northern diesel locomotive 310A, an American Locomotive Company Type FA1, at Bellingham, Washington at depot with Great Northern FA1 310B. Other subject categories: Locomotive-Diesel, Train-Freight

Great Northern diesel locomotive 310A, an American Locomotive Company Type FA1, at Bellingham, Washington. Partial view of engineer's side of cab; at depot. Other subject categories: Locomotive-Diesel, Train-Freight

Great Northern diesel locomotive 310A, an American Locomotive Company Type FA1, at Bellingham, Washington. at depot with Great Northern FA1 310B. Other subject categories: Locomotive-Diesel

Great Northern Diesel Locomotive 311A at Minneapolis, Minnesota on March 3, 1970. The photograph shows an Electro-Motive Division Type F-7, Great Northern Class F-3-7-A. The locomotive is painted in the Big Sky Blue scheme. Other subject classes: Locomotive-Diesel