SP&S 4-6-0 steam locomotive Number 160 (Class D-7), and 2-8-0's Number 301 (Class N-4), 305 (Class N-4), 336 (Class N-7) and other power on roundhouse tracks, 1932. Photo by H. Arey.

SP&S 4-4-2 steam locomotive Number 602, Class C-1, with Northern Pacific Number 79 and Great Northern Numbers 1624 and 1010 by the turntable, 1924. Photo by R. Hart.

SP&S steam locomotive with passenger train near Vancouver, Washington, undated. Photo by H.M. Brown.

SP&S 4-8-4 steam locomotive Number 702, Class E-1, involved in the wreck of Train Number 4 near Cliffs, Washington on September 28, 1947.

SP&S 4-8-4 steam locomotive Number 702, Class E-1, involved in the wreck of Train Number 4 near Cliffs, Washington on September 28, 1947.

SP&S steam locomotive with a freight train, postmarked April 2, 1910. This is a postcard image.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph, from the Oregon Historical Society Collection.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph. This is a postcard image.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph, from the Oregon Historical Society Collection.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph. This is a postcard image.