SP&S 2-6-2 steam locomotive Number 465, Class F-1, at Portland, Oregon in 1936. This locomotive was formerly Great Northern Number 1566 built by Baldwin Locomotive Works in February 1907. Photo by Herbert L. Arey.

SP&S 2-6-2 steam locomotive Number 465, Class F-1, at Bend, Oregon on September 9, 1939. Photo by W.C. Whittaker.

SP&S 2-6-2 steam locomotive Number 464, Class F-1, at Portland, Oregon in April 1946.

SP&S 2-6-2 steam locomotive Number 464, Class F-1, with men and women posing on the front somewhere on the Oregon Trunk Railway. This locomotive was formerly Great Northern Number 1601 and was built by Baldwin Locomotive Works in April 1907. From the Oregon Historical Society Collection.

SP&S 2-6-2 steam locomotive Number 463, Class F-1, at Vancouver, Washington on August 15, 1932. This locomotive was formerly Great Northern Number 1600 and was built by Baldwin Locomotive Works in April 1907.

SP&S 2-6-2 steam locomotive Number 463, Class F-1, at Portland, Oregon.

SP&S 2-6-2 steam locomotive Number 463, Class F-1, at Portland, Oregon. Photo by Herbert Arey.

SP&S 2-6-2 steam locomotive Number 462, Class F-1, at the North Bank depot at Portland, Oregon. This locomotive was formerly Great Northern Number 1597 built by Baldwin Locomotive Works in April 1907.

SP&S 2-6-2 steam locomotive Number 462, Class F-1, at Portland, Oregon.

SP&S 2-6-2 steam locomotive Number 461, Class F-1, at Vancouver, Washington.