SP&S 2-8-0 steam locomotive Number 336, Class N-7, at Portland, Oregon. This locomotive was formerly Northern Pacific Number 1288 built by Schenectady Locomotive Works in May 1903. From the Railroad Museum of Pennsylvania Collection.

SP&S 2-8-0 steam locomotive Number 337, Class N-7, at Portland, Oregon on June 30, 1948.

SP&S 2-8-0 steam locomotive Number 337, Class N-7, at Portland, Oregon. Photo by Herbert Arey.

SP&S 2-8-0 steam locomotive Number 337, Class N-7, at Portland, Oregon. This locomotive was formerly Northern Pacific Number 1291 and was built by the Schenectady Locomotive Works in May 1903. Photo by Herbert Arey.

SP&S 2-8-0 steam locomotive Number 337, Class N-7, at the shops at Portland, Oregon.

SP&S 2-8-0 steam locomotive Number 337, Class N-7, at Portland, Oregon near the coach yard.

SP&S 2-8-0 steam locomotive Number 338, Class N-7, at the shops at Portland, Oregon in August 1936. Photo by Herbert Arey.

SP&S 2-8-0 steam locomotive Number 338, Class N-7, at the shops at Portland, Oregon in August 1936. This locomotive was formerly Northern Pacific Number 1284 and was built by the Schenectady Locomotive Works in May 1903. Photo by Herbert Arey.

SP&S 2-8-0 steam locomotive Number 338, Class N-7, at the shops at Portland, Oregon. Photo by Herbert Arey.

SP&S 2-8-0 steam locomotive Number 338, Class N-7, at Portland, Oregon. Photo by Herbert H. Arey.