SP&S 4-4-0 steam locomotive Number 53, Class L-4, at Portland, Oregon in May 1922. Former Astoria & Columbia River (A&CR) Number 6.

SP&S 4-4-0 steam locomotive Number 53, Class L-4, at Portland, Oregon on May 16, 1922. Former Astoria & Columbia River (A&CR) Number 6.

SP&S 4-4-0 steam locomotive Number 53, Class L-4, at unknown Oregon location, undated.

SP&S 2-8-2 steam locomotive Number 525, Class O-2, with enginehouse employees posing on the locomotive at Wishram, Washington. This locomotive was formerly Northern Pacific 1698 and was built by Schenectady Locomotive Works in February 1910.

SP&S 2-8-2 steam locomotive Number 525, Class O-2, with enginehouse employees posing on the locomotive at Wishram, Washington.

SP&S 2-8-2 steam locomotive Number 525, Class O-2, at Vancouver, Washington on February 7, 1932.

SP&S 2-8-2 steam locomotive Number 525, Class O-2, at Vancouver, Washington on August 11, 1937. It appears this locomotive may have been in an accident at some point as the cab is of a Great Northern design as compared to earlier photographs with a Northern Pacific one.

SP&S 2-8-2 steam locomotive Number 525, Class O-2, at Vancouver, Washington in April 1935.

SP&S 2-8-2 steam locomotive Number 525, Class O-2, at Vancouver, Washington in April 1935.

SP&S 2-8-2 steam locomotive Number 525, Class O-2, coupled to 4-4-2 Atlantic Number 609. Notice the green jacketing on the boiler and cylinder.