A Spokane, Washington street car passes by as a crew works on a pipe line, undated.

SP&S steam locomotive with a freight train in the winter just after coming off the Fort Wright trestle near Spokane, Washington, undated.

SP&S 4-6-6-4 steam locomotive Number 910, Class Z-8, with a freight train at Spokane, Washington, undated.

SP&S 4-6-6-4 steam locomotive Number 902, Class Z-6, with a freight train at Hangman Creek, near Spokane, Washingon, undated.

SP&S 4-8-4 steam locomotive Number 702, Class E-1, with Train Number 2 on the Fort Wright trestle, May 2, 1941. Photo by Warren McGee.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, with passenger train along Spokane River at Spokane, Washington, May 29, 1951. Photo by Wil Whittaker.

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.

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 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 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 EMD F7A diesel locomotive Number 803 in a multiple unit lashup at Spokane, Washington in September 1956. 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 ALCO RS-2 diesel locomotive Number 62 in a multiple lashup at Spokane, Washington. Photo by Stan Styles.

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

Spokane, Portland & Seattle Railway steam locomotive number 905 at Spokane, Washington, on May 27, 1953. A hostler poses SP&S 905, a 4-6-6-4 freight locomotive, with both sets of rods down near the Parkwater roundhouse at Spokane WA in 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, locomotive facility.

Spokane, Portland & Seattle Railway steam locomotive number 905 at Spokane, Washington, on May 27, 1953. A hostler moves SP&S 905, a 4-6-6-4 freight locomotive, near the Parkwater roundhouse at Spokane WA in 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, locomotive facility.

Spokane, Portland & Seattle Railway steam locomotive number 905 at Spokane, Washington, on May 27, 1953. A hostler poses SP&S 905, a 4-6-6-4 freight locomotive, with both sets of rods down near the Parkwater roundhouse at Spokane WA in 1953. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, locomotive facility.

Spokane, Portland & Seattle Railway diesel locomotive number 54 at Spokane, Washington, on February 19, 1976. SP&S 54, an Alco RS3, parked at the engine terminal in Spokane in 1976. Photo by J.M. Fredrickson. Other Subject Classes: diesel locomotive, locomotive facility.

Spokane, Portland, and Seattle Railway 862 and 868, American Locomotive Company (ALCO) Type Type FA2's at Spokane, Washington, April 12, 1968.

Spokane, Portland, and Seattle Railway 862 and 868, American Locomotive Company (ALCO) Type Type FA2's at Spokane, Washington, April 12, 1968.

Spokane, Portland, and Seattle Railway 862 and 868, American Locomotive Company (ALCO) Type Type FA2's at Spokane, Washington, April 12, 1968.

Spokane, Portland, and Seattle Railway 862 and 868, American Locomotive Company (ALCO) Type Type FA2's at Spokane, Washington, April 12, 1968.

Spokane, Portland, and Seattle Railway 862, an American Locomotive Company (ALCO) Type Type FA2 at Spokane, Washington, April 12, 1968.

Spokane, Portland, and Seattle Railway 806 and 803, Electro-Motive Division Type FP7A's at Spokane, Washington, April 13, 1968.

Spokane, Portland, and Seattle Railway 801, an Electro-Motive Division Type FP3A at Spokane, Washington, April 12, 1968.

Spokane, Portland, and Seattle Railway 750 (Burlington Northern when photographed), an Electro-Motive Division E7 at Spokane, Washington, March 27, 1970.

Spokane, Portland, and Seattle Railway 750 (Burlington Northern when photographed), an Electro-Motive Division E7 at Spokane, Washington, March 27, 1970.

Spokane, Portland, and Seattle Railway 750 (Burlington Northern when photographed), an Electro-Motive Division E7 at Spokane, Washington, March 27, 1970.