Spokane, Portland, and Seattle Railway Steam Locomotive Number 506 formerly Great Northern Number 3123 (Class O-1), at Vancouver, Washington, 1938.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 507 at Vancouver, Washington, 1938.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 508 (formerly Great Northern Class O-1), at Vancouver, Washington, 1947.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 509 and water tank. Formerly Great Northern Number 3121 (Class O-1), at Portland, Oregon, 1944.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 512 formerly Great Northern, at Vancouver, Washington, 1948.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 550 (formerly Great Northern Class O-4), at Vancouver, Washington, 1949.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 620 formerly Great Northern Class E-14, at Portland, Oregon, 1937.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 621 formerly Great Northern Class E-14, at Pasco, Washington, 1947.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 622 formerly Great Northern Class E-14, at Portland, Oregon, 1939.

Spokane, Portland, and Seattle Railway Steam Locomotive Number 622 formerly Great Northern Class E-14, at Portland, Oregon, 1946.