SP&S 2-6-2 steam locomotive Number 450, Class F-1, with a passenger train next to the Oregon Trunk Railway enginehouse at Bend, Oregon circa. 1935. Photo by H.L. Arey

SP&S 0-6-0 steam locomotive Number 4, Class A-1, at Portland, Oregon on November 4, 1946.

SP&S 0-6-0 steam locomotive Number 4, Class A-1, at Portland, Oregon on August 25, 1947.

SP&S 0-6-0 steam locomotive Number 4, Class A-1, switching at 10th and Hoyt Street in Portland, Oregon in late 1917. Photo by Ben Griffiths.

SP&S 2-8-0 steam locomotive Number 370, Class N-3, at Vancouver, Washington.

SP&S 2-8-0 steam locomotive Number 370, Class N-3, at Portland, Oregon. Photo by Herbert Arey.

SP&S 2-8-0 steam locomotive Number 370, Class N-3, at Portland, Oregon on June 15, 1932. Photo by Herbert L. Arey.

SP&S 2-8-0 steam locomotive Number 370, Class N-3, at Portland, Oregon in 1938.

SP&S 2-8-0 steam locomotive Number 370, Class N-3, at unknown location in Oregon. This locomotive was formerly Astoria & Columbia River Railroad Number 19.

SP&S 2-8-0 steam locomotive Number 370, Class N-3, next to some Oregon Electric interurban cars at an unknown location in Oregon. Photo by J. Foster Adams, Rocky Mountain Railroad Club Collection.