SP&S 4-8-4 steam locomotive Number 700, Class E-1, looking down the top of the boiler at Wishram, Washington during the Farewell to Steam Excursion on May 20, 1956.

SP&S 4-8-4 steam locomotive Number 700, Class E-1, at Wishram, Washington on the last day of steam operation on May 20, 1956.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, is seen on the Northern Pacific at Paradise, Montana on January 23, 1944. Photo by Ron Nixon.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, with a passenger train at Union Station in Portland, Oregon on August 13, 1949. Photo by Ron Nixon.

From inside the eastbound Milwaukee Road Olympian SP&S 4-8-4 steam locomotive Number 701, Class E-1, works an eastbound passenger train west of Spokane, Washington on July 17, 1944.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, near the Spokane River at Spokane, Washington on May 29, 1951. Photo by W.C. Whittaker.

Closeup of equipment under the cab on SP&S 4-8-4 steam locomotive Number 701, Class E-1.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, works a passenger train on the Vancouver Division.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, works a freight train on the Vancouver Division after getting bumped from passenger service.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, from the firemans side at Vancouver, Washington in 1949.