Great Northern Diesel Locomotive 277A at Vancouver, British Columbia on October 1, 1965. The photograph shows two locomotives. The lead locomotive is an Alco type FA-2, Great Northern Class AF painted in the original green and orange scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 277A, Class FA in Wenatchee, Washington, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 277A, Class FA in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 277A, undated. The photograph shows a freight train with two locomotives, 277A and 278B. The lead locomotive is an Alco type FA-2, Great Northern Class AF painted in the simplified green and orange scheme. Other subject classes: Locomotive-Diesel, Train-Freight

Great Northern Diesel Locomotive 277B at Interbay, Washington, October 1964, simplified orange/green paint scheme. Other subject classes: Locomotive

Great Northern Diesel Locomotive 277B leading 279B at Seattle, Washington on July 1, 1966. The photograph shows an Alco type FA-2, Great Northern Class AF. The locomotive is painted in the simplified green and orange scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 277B at Seattle, Washington on undated. The photograph also shows locomotive number 273A. The lead locomotive is an Alco type FA-2, Great Northern Class AF painted in the simplified green and orange scheme. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 277B at Seattle, Washington on undated. The photograph shows two locomotives. The lead locomotive is an Alco type FA-2, Great Northern Class AF painted in the original green and orange scheme. Photo location: Interbay roundhouse. Other subject classes: Locomotive-Diesel

Great Northern Diesel Locomotive 277B, Class FA in Washington State, undated. Photograph by Wade Stevenson.

Great Northern Diesel Locomotive 277B, undated. The photograph shows two locomotives. The lead locomotive is an Alco type FA-2, Great Northern Class AF painted in the simplified green and orange scheme. Visible in the background is a portion of a Great Northern hopper. Other subject classes: Locomotive-Diesel, Car-Hopper Open