Steamboat "Dalles City" and another boat in the Cascade Locks, Postmarked September 17, 1910. This is a postcard image.

Steamboats "Bailey Gatzert" and "Dalles City" in the Cascade Locks, Postmarked February 17, 1907. This is a postcard image.

Steamboat "Bailey Gatzert" approaching the Cascade Locks, April 11, 1913.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph, from the Oregon Historical Society Collection.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph. This is a postcard image.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph. This is a postcard image.

An SP&S 4-4-2 Class C-1 steam locomotive heads a passenger train near Cascades, Washington, 1909, Fred H. Kiser Photograph, from the Oregon Historical Society Collection.

SP&S passenger train "United Nations Victory Special" at North Bonneville, Washington, April 25, 1945. Photo by Les T. Ordeman.

SP&S passenger train "United Nations Victory Special" at North Bonneville, Washington, April 25, 1945. Photo by Les T. Ordeman.