Great Northern Railway steam locomotive number 2517, undated. Great Northern Railway 2517 with a passenger train. J.M. Fredrickson collection. Other Subject Classes: steam locomotive, passenger train.

Great Northern Railway steam locomotive number 2522, undated. Great Northern Railway 2522 at an engine facility. Photo by Paul Meyers, J.M. Fredrickson collection. Other Subject Classes: steam locomotive.

Great Northern Railway steam locomotive number 2525, circa 1938. Great Northern Railway 2525, a 4-8-2, parked at an engine terminal circa 1938. Photo by Blackie Moser, J.M. Fredrickson collection. Other Subject Classes: steam locomotive.

Great Northern Railway steam locomotive number 2581, undated. Great Northern Railway 2581 parked at a freight yard. Photo by Paul Meyers, J.M. Fredrickson collection. Other Subject Classes: steam locomotive.

Great Northern Railway steam locomotive number 2584 at Havre, Montana, in 1972. Great Northern Railway 2584 on display at Havre in 1972. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display.

Great Northern Railway steam locomotive number 2584 at Havre, Montana, in 1989. Great Northern Railway 2584 on display at Havre in 1989. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, display.

Great Northern Railway steam locomotive number 2586 at Auburn, Washington, in 1948. Great Northern Railway 2586 leads train No. 3 on a detour through Auburn in 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, passenger train.

Great Northern Railway steam locomotive number 2586, circa 1938. Great Northern Railway 2586, a 4-8-4, parked at an engine terminal circa 1938. Photo by Blackie Moser, J.M. Fredrickson collection. Other Subject Classes: steam locomotive.

Great Northern Railway steam locomotive number 2586, circa 1938. Great Northern Railway 2586, a 4-8-4, parked at an engine terminal circa 1938. Photo by Blackie Moser, J.M. Fredrickson collection. Other Subject Classes: steam locomotive.

Great Northern Railway steam locomotive number 2587 at East Auburn, Washington, on May 30, 1948. Great Northern Railway 2587 heads onto the Seattle leg of the wye at East Auburn with the detouring Fast Mail in 1948. Photo by J.M. Fredrickson. Other Subject Classes: steam locomotive, freight train, detour.