Great Northern Railway steam locomotive 2502 in Washington State in 1924. A view of steam locomotive 2502, Class P-2, with passenger cars. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2502 in Washington State in 1940. A view of steam locomotive 2502, Class P-2, with passenger cars. In the background is a wooden walkway above the tracks. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2502 in Washington State, undated. A view of steam locomotive 2502, Class P-2, with passenger cars. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2502 in Washington State, undated. A view of steam locomotive 2502, Class P-2, with passenger cars. Crew members are leaning out of the window of the locomotive?s cab. In the background is a wooden walkway above the tracks. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2502 in Washington State, undated. A view of steam locomotive 2502, Class P-2, with passenger cars on a bridge. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2502 in Washington State, undated. A view of steam locomotive 2502, Class P-2, with passenger cars. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2503 at Black River, Washington in 1934. A view of steam locomotive 2503, Class P-2, with passenger cars. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2503 at Georgetown, Washington in 1934. A view of steam locomotive 2503, Class P-2, with passenger cars. In the background are a semaphore and overhead electrical wires on adjacent track. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2503 at Georgetown, Washington in 1934. A view of steam locomotive 2503, Class P-2, with passenger cars between two semaphores posted with mile marker 3.8. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2503 at Seattle, Washington in 1934. A view of steam locomotive 2503, Class P-2, with passenger cars passing a semaphore and a speed restriction marker of 15. The semaphore is posted with mile marker 2.0. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.