Great Northern Railway steam locomotive 2504 in Washington State, undated. A view of steam locomotive 2504, Class P-2, with passenger cars. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2510 at Ballard, Washington, undated. A view of steam locomotive 2510, Class P-2, with passenger cars. A Mail and Express car and a baggage car are visible behind the tender. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2510 in Washington State, undated. A view of steam locomotive 2510, Class P-2, with passenger cars on Bridge Number 400 about to enter the upper portal of the Horse Shoe Tunnel. Crew members are visible in the cab of the locomotive. A Mail and Express car is behind the tender. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2512 at Cascade Tunnel Station, Washington, undated. A view of steam locomotive 2512, Class P-2, with passenger cars emerging from the West Portal of the 2.6 mile Cascade Tunnel. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2512 in Washington State, undated. A 3/4 view of steam locomotive 2512, Class P-2,. In the background is a portion of a water tank and the cab of steam locomotive 1637. Photograph by James Turner. Other subject classes: Locomotive-Steam, .

Great Northern Railway steam locomotive 2512 in Washington State, undated. Rear view of steam locomotive 2512, Class P-2, on the Empire Builder passenger train. A Mail and Express car is behind the tender. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.

Great Northern Railway steam locomotive 2512 in Washington State, undated. Side view of steam locomotive 2512, Class P-2. Clouds of steam obscure a water tank in the background. Photograph by James Turner. Other subject classes: Locomotive-Steam, .

Great Northern Railway steam locomotive 2512 in Washington State, undated. A 3/4 view of steam locomotive 2512, Class P-2. A crew member is visible in the cab of the locomotive. Photograph by James Turner. Other subject classes: Locomotive-Steam, People-Railroad Crew.

Great Northern Railway steam locomotive 2513 in Washington State, undated. A 3/4 view of steam locomotive 2513, Class P-2,. In the background are a portion of a water tank and a Great Northern wooden box car. Photograph by James Turner. Other subject classes: Locomotive-Steam, .

Great Northern Railway steam locomotive 2514 at Ballard, Washington in 1925. A view of steam locomotive 2514, Class P-2, with passenger cars at a curve. Photograph by James Turner. Other subject classes: Locomotive-Steam, Train-Passenger.