Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 41 (2nd) at Portland, Oregon. This car was rebuilt from Lounge-Sleeping Car "Mount Jefferson" in 1961.

Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 41 (2nd) at Portland, Oregon. This car was rebuilt from Lounge-Sleeping Car "Mount Jefferson" in 1961.

End view of Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 41 (2nd) at Portland, Oregon. This car was rebuilt from Lounge-Sleeping Car "Mount Jefferson" in 1961.

End view of Spokane, Portland and Seattle combination Railway Post Office (RPO) mail and baggage car Number 41 (2nd) at Portland, Oregon. This car was rebuilt from Lounge-Sleeping Car "Mount Jefferson" in 1961.

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 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.

SP&S EMD F7A diesel locomotive Number 805 with another F7A on Train Number 2, leaving Portland, Oregon in August 1965. Photo by Robert W. Johnston.

SP&S EMD F3A diesel locomotive Number 801 with a passenger train leaving Portland, Oregon in 1950. Photo by John Labbe.

SP&S EMD F3A diesel locomotives Number 800 A-1 and 800 A-2 with eastbound train Number 2, the portland connection for the Empire Builder at Portland, Oregon.

SP&S ALCO RS-3 diesel locomotive Number 78 in the yard at Portland, Oregon.

SP&S ALCO RS-3 diesel locomotives Number 76 and 77 at Portland, Oregon in September 1956. Photo by Stan Styles.

SP&S ALCO RS-3 diesel locomotive Number 71 on Hoyt Street Roundhouse track at Portland, Oregon.

SP&S ALCO RS-3 diesel locomotives Number 70 and 69 at Portland, Oregon.

SP&S ALCO RS-3 diesel lococomotives Number 69 and 70 at Portland, Oregon in October 1951. Photo by Don Roberts.

SP&S ALCO RS-2 diesel locomotive Number 62 by the water tank at the Hoyt Street Roundhouse at Portland, Oregon on February 18, 1950. Photo by Don Roberts.

SP&S ALCO RS-2 diesel locomotive Number 60 along with Number 26 (ALCO S-2) in power lineup at Portland, Oregon.

SP&S EMD NW2 diesel locomotive Number 42 on engine track at Portland, Oregon. Notice the stripes on the front cab door which match the location of the stripes on the front.

SP&S EMD NW2 diesel locomotive Number 40 on Hoyt Street Roundhouse track at Portland, Oregon on May 29, 1948. Photo by Don Roberts.

SP&S Baldwin VO-1000 diesel locomotive Number 34 on Hoyt Street Roundhouse track at Portland, Oregon.

SP&S Baldwin VO-1000 diesel locomotive Number 34 in Hoyt Street Roundhouse lineup at Portland, Oregon on September 1, 1962.

SP&S Baldwin VO-1000 diesel locomotive Number 34 in Hoyt Street Roundhouse lineup at Portland, Oregon in May 1946.