A Northern Pacific steam locomotive leads a freight train at Seattle, Washington, circa 1946. The train is passing Interbay and will soon cross over the ship canal to Fremont, the University District and on around the north end of Lake Washington to Woodinville. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train

A Northern Pacific steam locomotive smokes up the sky at the head of passenger train near Seattle, Washington, circa 1935. The 4-6-2 Pacific was a mainstay of passenger service. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

A Northern Pacific passenger train near Seattle, Washington, circa 1935. The locomotive is a Q-5 Pacific. Photo by J.A. Turner. Other Subject Classes: steam locomotive, passenger train

Chicago, Milwaukee, St. Paul & Pacific Railroad Company steam locomotive number 1514, circa 1930. Milwaukee Road Road 1514, a 0-6-0, in an engine terminal. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, locomotive facility.

Columbia & Puget Sound Railroad steam locomotive AA Denny, a narrow-gauge 0-6-4, parked at Seattle, Washington, circa 1890. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive.

Columbia & Puget Sound Railroad steam locomotive number 10 at Seattle, Washington, circa 1890. C&PS 10 4-4-0 and crew near roundhouse, Seattle. Other Subject Classes: steam locomotive, railroad crew.

Columbia & Puget Sound Railroad Baldwin 2-8-0 steam locomotive number 12 leaving the station at Seattle, Washington, circa 1900. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, passenger train.

Columbia & Puget Sound Railroad Baldwin 2-8-0 steam locomotive number 7 parked at Seattle, Washington, circa 1900. Photo from J.M. Fredrickson Collection. Other Subject Classes: steam locomotive, railroad crew.