Tug boat 'Edith' used in construction of the SP&S Columbia River Bridge, April 10, 1908. This is a postcard image.

Union Pacific type GP9 106 heads a short freight from Seattle and shortly will cross over the Columbia River Bridge at Vancouver in 1962. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel.

Union Pacific F-units 1472 and 1472C on a northbound freight at Vancouver in 1962. Photograph by Alden Raney. Other subject classes: Locomotive-Diesel.

Union Pacific steam locomotive with passenger train Number 511 at the SP&S Vancouver, Washington depot, undated. Print from Oregon Historical Society Collection.