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.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, from the firemans side at Vancouver, Washington in May 1955. Photo by Stan Styles.

SP&S 4-8-4 steam locomotive Number 701, Class E-1, works an eastbound freight train out of Vancouver, Washington in the Summer of 1955.

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

Engineers side view of the front part of the running gear of SP&S 4-8-4 steam locomotive Number 701, at Vancouver, Washington.