Northern Pacific steam locomotive 1690 waits for dispatcher's clearance to proceed with its freight train at Argo in Seattle, Washington, in 1925. The W-1 Mikado was built in 1910 and scrapped at Brainerd, Minnesota, in 1959. Photo by J.A. Turner. Other Subject Classes: steam locomotive, freight train

Northern Pacific steam locomotive 1694 fresh from the shops, leads a freight train in Renton, Washington, on April 19, 1939. The W-1 Mikado was built in 1910 and scrapped at South Tacoma, Washington, in 1957. Photo by J.A. Turner. Other Subject Classes: steam locomotive, freight train

Northern Pacific steam locomotive 1699 leads a freight train at Argo in Seattle, Washington, circa 1940. The W-1 Mikado was built in 1910 and scrapped at Brainerd, Minnesota, in 1955. Photo by J.A. Turner. Other Subject Classes: steam locomotive, freight train

Northern Pacific steam locomotive 1772, A W-3 Mikado, approaches Spokane Street at the head of a northbound freight train in Seattle, Washington, on May 24, 1941. That may be the Sears building tower visible in the background. Photo by J.A. Turner. Other Subject Classes: steam locomotive, freight train

Northern Pacific steam locomotive 1780 helps a freight train over Stampede Pass at Borup Loop, Washington, circa 1925. The W-3 Mikado was built by the American Locomotive Company at the Brooks Locomotive Works in Dunkirk, New York, in 1918, and scrapped at South Tacoma, Washington, on April 3, 1959. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train

Northern Pacific steam locomotive 1834 prepares to lead a freight train at Auburn, Washington, circa 1925. The W-3 Mikado was built in 1920 and scrapped at Brainerd, Minnesota, in 1956. Photo by J.A. Turner. Other Subject Classes: steam locomotive, freight train

Northern Pacific steam locomotive 1841 leads a freight train at Auburn, Washington, circa 1925. The W-5 Mikado was built in 1923 and scrapped at Brainerd, Minnesota, in 1957. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train

Northern Pacific steam locomotive 1841 leads a freight train at Auburn, Washington, circa 1925. The W-5 Mikado was built in 1923 and scrapped at Brainerd, Minnesota, in 1957. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train

Northern Pacific steam locomotive 1843 prepares to leave Auburn, Washington, with a freight train on May 9, 1924. The W-5 Mikado was built in 1923 and scrapped at Brainerd, Minnesota, in 1955. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train

A crew poses with Northern Pacific steam locomotive 1843 at Auburn, Washington, circa 1925. The W-5 Mikado was built in 1923 and scrapped at Brainerd, Minnesota, in 1955. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train