Northern Pacific steam locomotive 52, circa 1903. Number 52, a class F-1 built by Baldwin in 1891, but shown here after being rebuilt as a Vauclain compound in 1896. It is posed with its crew on a branch line in western Washington, before 1903. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, railroad crew

Northern Pacific steam locomotive 520, circa 1915. Number 520 is a class D-3 built by Baldwin in 1891. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 53 at South Tacoma, Washington, on July 31, 1936. Number 53 is a class F-1 built by Baldwin in 1891. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 53 at South Tacoma, Washington, on July 31, 1936. Number 53 is a class F-1 built by Baldwin in 1891. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 53 parked next to the coal dock at Tacoma, Washington, circa 1932. Number 53 is a class F-1 built by Baldwin in 1891. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 53 at Tacoma, Washington, on October 09, 1936. Number 53, a class F-1 built by Baldwin in 1891, is parked at the roundhouse after overhaul. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, locomotive terminal

Northern Pacific steam locomotive 545 with a freight train, circa 1915. Number 545 is a class D-3 built by Baldwin in 1891. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 545 starts a work train, circa 1920. Number 545 is a class D-3 built by Baldwin in 1891. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 558 at St. Paul, Minnesota, circa 1939. Number 558 is a class D-2 built by Baldwin in 1888. Photo by Robert Graham, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, roster photo

Northern Pacific steam locomotive 56 at Tacoma, Washington, on April 11, 1934. Number 56, a class F-1 built by Baldwin in 1889, is parked at the roundhouse in Tacoma. Photo by Herman Hunt, J.M. Fredrickson collection. Other Subject Classes: steam locomotive, locomotive terminal