US Air Force B-52 simulator cars at Portland Union Station in 1962. Photograph by Alden Raney. Other subject classes: Car-B-52 Simulator.

US Air Force B-52 simulator cars at Portland Union Station in 1962. Photograph by Alden Raney. Other subject classes: Car-B-52 Simulator.

US Air Force B-52 simulator cars at Portland Union Station in 1962. Photograph by Alden Raney. Other subject classes: Car-B-52 Simulator.

US Air Force B-52 simulator cars at Portland Union Station in 1962. Photograph by Alden Raney. Other subject classes: Car-B-52 Simulator.

Union Pacific McCormick Terminal on Upper Harbor, Portland Oregon; ships in the upper harbor, Willamette River, undated. Photo by A. Prentiss.

Willamette River at Portland, Oregon showing steam ships at docks, undated.

Willamette River at Portland, Oregon showing sailing ships, some moored, undated.

Willamette River at Portland, Oregon; sailing ships and tugboats along the lower harbor, undated.

Willamette River at Portland, Oregon; stern-wheeler "Dalles City" underway, undated, from the Oregon Historical Society Collection.

Portland Zoo Railway 4-4-0 steam locomotive on loan to the 1959 Oregon Centennial Exposition held at North Portland in 1959. Photograph by Alden Raney. Other subject classes: Train-Miniature.