SP&S 2-6-0 steam locomotive Number 200, Class M-1, in the yards at Portland, Oregon May 16, 1922. This locomotive was formerly Northern Pacific Number 552 built by Baldwin Locomotive Works in October 1888.

SP&S 2-6-0 steam locomotive Number 200, Class M-1, with a crew member posing next to the locomotive at an unknown location and date.

SP&S 2-6-0 steam locomotive Number 201, Class M-2, at Portland, Oregon in June 1941. Photo from the Harold Vollrath Collection.

SP&S 2-6-0 steam locomotive Number 201, Class M-2, at Portland, Oregon on September 9, 1937.

SP&S 2-6-0 steam locomotive Number 201, Class M-2, on the turntable at Portland, Oregon. Photo by Herbert L. Arey.

SP&S 2-6-0 steam locomotive Number 201, Class M-2, doing some switching at Willbridge, Oregon in September 1938. This locomotive was formerly Great Northern Number 420 and was built by Brooks in August 1893.

SP&S 2-6-0 steam locomotive Number 201, Class M-2, at Willbridge, Oregon in September 1938. Posing on the pilot is Herbert H. Arey, son of Portland area photographer Herbert L. Arey.

The SP&S steam locomotive that wasn't. When the museum at Maryhill, Washington wanted an SP&S steam locomotive to display their wasn't any available so Great Northern provided Mountain type 4-8-2 Number 2507 and it was painted up as SP&S. As seen after being refurbished at Vancouver, Washington.

SP&S 0-6-0 steam locomotive Number 3, Class A-1, at Hoyt Street Yard in Portland, Oregon, April 21, 1940.

SP&S 0-6-0 steam locomotive Number 3, Class A-1, at Portland, Oregon, undated.