SP&S ALCO C-425 diesel locomotives Number 313, 310 and 311 on a westbound freight at Spokane, Washington.

SP&S ALCO RS-2 diesel locomotive Number 62 in a multiple lashup at Spokane, Washington. Photo by Stan Styles.

SP&S EMD F3A diesel locomotive Number 800 at the Great Northern roundhouse at Hillyard near Spokane, Washington in August 1953. Photo by Stan Styles.

SP&S EMD F7A diesel locomotive Number 803 in a multiple unit lashup at Spokane, Washington in September 1956. Photo by Stan Styles.

SP&S an American Locomotive Company (ALCO) 'Century Series' diesel locomotives with a freight train on the Fort Wright trestle, undated. Photo by Robert Johnston.

SP&S diesel locomotive Number 303, an American Locomotive Company (ALCO) C-424, leads a freight train on the Fort Wright trestle, undated. Photo by Robert Johnston.

SP&S an American Locomotive Company (ALCO) 'Century Series' diesel locomotives with a freight train on the Fort Wright trestle, undated. Photo by Robert Johnston.

SP&S an American Locomotive Company (ALCO) 'Century Series' diesel locomotives with a freight train on the Fort Wright trestle, undated. Photo by Robert Johnston.

SP&S 2-8-2 steam locomotive Number 539, Class O-3, with a freight train at a crossing in Spokane, undated. Photo by Clyde Parent.

SP&S 4-8-4 steam locomotive Number 700, Class E-1, with Train Number 4 on the Fort Wright trestle, July 21, 1950. Photo by Phillip C. Johnson.