SP&S ALCO RS-2 diesel locomotive Number 61 with an excursion train at Salem, Oregon on October 21, 1955. Photo by R. Lutz..

SP&S ALCO RS-2 diesel locomotive Number 61 with an excursion train at Salem, Oregon on October 21, 1955. Photo by R. Lutz..

SP&S ALCO S-2 diesel locomotive Number 27 switcher at Salem, Oregon in September 1956. Notice the cardboard in the rear windows used as sun shades. Photo by Stan Styles.

SP&S ALCO S-1 diesel locomotive Number 10 working in Salem, Oregon on July 21, 1947. Photo by Wil Whittaker.

SP&S ALCO S-1 diesel locomotive Number 10 switcher working at Salem, Oregon on July 21, 1947. Photo by Wil Whittaker.

View from Spokane, Portland and Seattle Railway excursion train running from Portland to Sweet Home. View of train running in the streets of Salem in 1966. Photograph by Alden Raney. Other subject classes: Train-Passenger.

View from Spokane, Portland and Seattle Railway excursion train running from Portland to Sweet Home. View of train running in the streets of Salem in 1966. Photograph by Alden Raney. Other subject classes: Train-Passenger.

View from Spokane, Portland and Seattle Railway excursion train running from Portland to Sweet Home. View of train running in the streets of Salem in 1966. Photograph by Alden Raney. Other subject classes: Train-Passenger.

Burlington Northern diesel locomotive 4056, formerly Spokane, Portland and Seattle 71, at Salem, Oregon, on April 02, 1976. Number 4056 is an RS-3 built by American Locomotive Company (ALCO), builder's number 79594. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive.