Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 37 at Portland, Oregon on August 10, 1949. Photo by W.C. Whittaker.

Spokane, Portland and Seattle Lounge-Sleeping Car "Mount Adams" at Portland, Oregon on August 10, 1949. This car was formerly Pullman lounge-sleeping car "Des Moines Club" and was assigned to the SP&S in November 1940. The car was later purchased from the Northern Pacific in 1949 and renamed that same year.

Spokane, Portland and Seattle lightweight delux day coach Number 303 at Portland, Oregon. Photo by Jim Morris.

SP&S General Electric gas electric car Number 1101 while in storage at Portland, Oregon on October 3, 1937. Car appearance changed after having replacement engine installed in May 1920.

SP&S General Electric gas electric car Number 1101 while in storage at Portland, Oregon in 1938. Car appearance changed after having replacement engine installed in May 1920.

Spokane, Portland and Seattle dining car Number 406 at Portland, Oregon on August 10, 1949. This car was formerly Northern Pacific NP 1677 and was purchased by SP&S in February 1948. Photo by W.C. Whittaker.

Interior view of Spokane, Portland and Seattle dining car Number 405 soon after being delivered. Photo by Photo-Art Commercial Studios.

SP&S ALCO FA-1 diesel locomotives Number 852 A-2 and 851 A-1 in the Oregon Electric shop track at Portland, Oregon. From the Don Roberts collection.

SP&S ALCO FA-1 diesel locomotives Number 851 A-2 and 851 A-1 in the Oregon Electric shop track at Portland, Oregon. From the Don Roberts collection.

SP&S EMD F7A diesel locomotives Number 805 and 804 set to leave Union Station at Portland, Oregon.