A builder's photo of Alaska Railroad steam locomotive 901 at Philadelphia, Pennsylvania in September 1976. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive

Alaska Railroad steam locomotive 301, circa 1945. Alaska RR 301 takes water, circa 1945. Number 301 is formerly Northern Pacific number 1042 class L-9, 0-6-0, built by Alco-Manchester, 1906 was sold by the Northern Pacific in 1942. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

Alaska Railroad steam locomotive 301, circa 1945. Alaska RR 301 takes water, circa 1945. Number 301 is formerly Northern Pacific number 1042 class L-9, 0-6-0, built by Alco-Manchester, 1906 was sold by the Northern Pacific in 1942. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, roster shot

A Southern Pacific Railroad passenger train and freight train pass at Colfax, California, circa 1925. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train, freight 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

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

Northern Pacific freight train near Stampede, Washington, circa 1925. A Class Z-3 helper brings up the rear of the long express freight on the Stampede Pass line. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train

A Northern Pacific steam locomotive leads a freight train in the Yakima River Canyon near Ellensburg, Washington, on July 23, 1937. The route follows the Yakima River between Ellensburg and Yakima, Washington. Photo by J.A. Turner. Other Subject Classes: steam locomotive , freight train