Great Northern Steam Locomotive Number 879 at Spokane, Washington, 1938.

Great Northern Steam Locomotive Number 840 at Spokane, Washington, 1947.

Great Northern Steam Locomotive Number 838 at Spokane, Washington, 1949.

Great Northern Steam Locomotive Number 820 at Spokane, Washington, 1946.

Great Northern Steam Locomotive Number 820 at Spokane, Washington, 1938.

Great Northern Steam Locomotive Number 785 at Spokane, Washington, 1946.

Great Northern Steam Locomotive 607, a Class G-1, Mastodon 4-8-0, Spokane, Washington. A David Emerson photo taken in 1930.

Great Northern Steam Locomotive Number 521 at Spokane, Washington, 1946.

Great Northern Steam Locomotive Number 4001 locomotive, Class Z-6, at Spokane, Washington, undated.

Great Northern Steam Locomotive Number 4001 with freight train, Class Z-6, at Spokane, Washington, 1945.

Great Northern Steam Locomotive Number 3398 at Spokane, Washington, 1934.

Great Northern Steam Locomotive 3396, a Class O-7, a 2-8-2, rebuilt from locomotive 1960 Class M-2 2-6-8-0, 31"x22" cylinders, 69" drivers, 210 psi steam pressure, 348,000 pounds weight, 76,200 pounds tractive effort, Spokane, Washington. From the David Emerson Collection, a Maynard Rikerd photo taken in 1931.

Great Northern Steam Locomotive Number 3350 at Spokane, Washington, 1938.

Great Northern steam locomotive Number 3303, a 2-8-2, at Spokane, Washington, in June, 1939.

Great Northern Steam Locomotive Number 3240 at Spokane, Washington, 1949.

Great Northern Steam Locomotive 3235, Class O4 in Spokane, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive 3235, Class O4 in Spokane, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive Number 3215 at Spokane, Washington, 1946.

Great Northern Steam Locomotive Number 3212 at Spokane, Washington, 1947.

Great Northern Steam Locomotive Number 3143 at Spokane, Washington, 1946.

Great Northern Steam Locomotive Number 3124 at Spokane, Washington, 1938.

Great Northern Steam Locomotive Number 3042 at Spokane, Washington, 1947.

Great Northern Steam Locomotive Number 2575 at Spokane, Washington, 1938.

Great Northern Steam Locomotive 2512, Class P2 in Spokane, Washington, undated. Photograph by Wade Stevenson.

Great Northern Steam Locomotive Number 2188 at Spokane, Washington, 1948.

Great Northern Steam Locomotive Number 2182 at Spokane, Washington, 1933.

Great Northern Steam Locomotive Number 2128 at Spokane, Washington, 1947.

Great Northern Steam Locomotive Number 2126 at Spokane, Washington, 1938.

Great Northern Steam Locomotive Number 2121 at Spokane, Washington, 1935.