Great Northern Railway 697 at Belton, Montana. The locomotive is a General Motors Electro Motive Division Model GP9. Other subject classes: Locomotive, GP-9

Great Northern Diesel Locomotive 327 at Belton, Montana on August 20, 1969. The photograph shows the "Empire Builder" passenger train with two locomotives. The lead locomotive is an Electro-Motive Division Type SDP-45, Great Northern Class SDP-45 painted in the Big Sky Blue scheme. Photograph by G. Berisso. Other subject classes: Locomotive-Diesel, Train-Passenger, Mountains

Great Northern Electro-Motive Division Type SDP40 numbered as Burlington Northern 9850, Great Northern Type FP7Bs numbered as Burlington Northern 9727 and 9743 on Train 27 at Belton, Montana, May 17, 1970.