SP&S 2-8-0 steam locomotive Number 356, Class N-2, at the rail barge landing at Fallbridge, Washington during construction of the Oregon Trunk Railway in 1911. Steamboat "Norma" that handled the barges.

SP&S 2-8-0 steam locomotive Number 355, Class N-2, at the roundhouse at Vancouver, Washington. Photo by Herbert Arey.

SP&S 2-8-0 steam locomotive Number 355, Class N-2, near the water tower at Portland, Oregon on July 2, 1949.

SP&S 2-8-0 steam locomotive Number 355, Class N-2, at unknown location and date but probably working on construction of the Oregon Trunk Railway. From the Oregon Historical Society Collection.

SP&S 2-8-0 steam locomotive Number 355, Class N-2, at Metolius, Oregon during construction of the Oregon Trunk Railway. This locomotive was formerly Great Northern Number 1256 and was built by the Baldwin Locomotive Works in December 1907.

SP&S 2-8-0 steam locomotive Number 352, Class N-1, at Vancouver, Washington. Note the wartime blackout hood on the headlight.

SP&S 2-8-0 steam locomotive Number 352, Class N-1, out of service at Vancouver, Washington.

SP&S 2-8-0 steam locomotive Number 352, Class N-1, at unknown location and date. This locomotive was formerly Great Northern Number 495 and was built by the Brooks Locomotive Works in August 1892. From the J. Foster Adams Collection of the Rocky Mountain Railroad Club.

SP&S 2-8-0 steam locomotive Number 352, Class N-1, at Portland, Oregon. From the Railroad Museum of Pennsylvania Collection.

SP&S 2-8-0 steam locomotive Number 352, Class N-1, at Portland, Oregon in 1914. The cylinders are still equipped with slide valves that were later replaced with piston valves. Photo by Herbert L. Arey.