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, near the water tower at Portland, Oregon on July 2, 1949.

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 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 356, Class N-2, getting the sand dome filled at Portland, Oregon on July 21, 1947.

SP&S 2-8-0 steam locomotive Number 356, Class N-2, at Portland, Oregon.

SP&S 2-8-0 steam locomotive Number 356, Class N-2, at Portland, Oregon. This locomotive was formerly Great Northern Number 1260 and was built by the Baldwin Locomotive Works in December 1907. Photo by Herbert Arey.

SP&S 2-8-0 steam locomotive Number 356, Class N-2, at unknown location and date.

SP&S 2-8-0 steam locomotive Number 356, Class N-2, at unknown location and date.

SP&S 2-8-0 steam locomotive Number 356, Class N-2, at Vancouver, Washington.