Spokane, Portland, and Seattle Railway Engineering Drawing: Interlocking Station at North Portland, Oregon, prepared in 1948. Burlington Northern File Number PQ-293, Reference Number 10108.

Spokane, Portland, and Seattle Railway Engineering Drawing: Interlocking Station at North Portland, Oregon, prepared in 1948. Burlington Northern File Number PQ-293, Reference Number 10108.

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.

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.

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.

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

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.

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

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.

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.

VIP speeder-trolley at the 1959 Oregon Centennial Exposition held at North Portland in 1959. Photograph by Alden Raney. Other subject classes: Train-Miniature.

Portland Zoo "Zooliner" train at the 1959 Oregon Centennial Exposition held at North Portland. in 1959. Photograph by Alden Raney. Other subject classes: Train-Miniature.

Portland Zoo "Zooliner" train at the 1959 Oregon Centennial Exposition held at North Portland. in 1959. Photograph by Alden Raney. Other subject classes: Train-Miniature.

Fire fighting train for the miniature railway that operated at the 1959 Oregon Centennial Exposition held at North Portland in 1959. Photograph by Alden Raney. Other subject classes: Train-Miniature.

Peninsula Terminal Company 2-6-2T Number 104 switching at the interchange tracks with the Spokane, Portland and Seattle Railway and Union Pacific at North Portland in 1963. Photograph by Alden Raney. Other subject classes: Locomotive-Steam.

Peninsula Terminal Company 2-6-2T Number 104 switching at the interchange tracks with the Spokane, Portland and Seattle Railway and Union Pacific at North Portland in 1963. Photograph by Alden Raney. Other subject classes: Locomotive-Steam.

Peninsula Terminal Company 2-6-2T Number 104 switching at the interchange tracks with the Spokane, Portland and Seattle Railway and Union Pacific at North Portland in 1963. Photograph by Alden Raney. Other subject classes: Locomotive-Steam.

Peninsula Terminal Company 2-6-2T Number 104 switching at the interchange tracks with the Spokane, Portland and Seattle Railway and Union Pacific at North Portland in 1963. Photograph by Alden Raney. Other subject classes: Locomotive-Steam.

Peninsula Terminal Company 2-6-2T Number 104 switching at the interchange tracks with the Spokane, Portland and Seattle Railway and Union Pacific at North Portland in 1963. Photograph by Alden Raney. Other subject classes: Locomotive-Steam.

Peninsula Terminal Company 2-6-2T Number 104 switching at the interchange tracks with the Spokane, Portland and Seattle Railway and Union Pacific at North Portland in 1963. Photograph by Alden Raney. Other subject classes: Locomotive-Steam.