Color postcard view of SP&S track and the Columbia River near Underwood, Washington, 1912. This is a postcard image. Photo by the Kiser Photo Company.

SP&S railroad tracks looking east from the Cape Horn tunnel, undated. Photo by Fred H. Kiser.

A view of SP&S railroad tracks 6 miles east of the Cape Horn tunnel, undated.

A view of SP&S mainline track in Devil's Canyon on the Snake River, undated. Photo by the Kiser Photo Company.

Color postcard aerial view of State Highway 14 and SP&S mainline along Columbia River, undated. This is a postcard image.

Early view of the SP&S mainline near White Salmon, Washington, undated. Photo by Kiser Photo Company.

A view of SP&S mainline tracks along the Snake River near Snake River Junction, Washington, undated.

Color postcard view of SP&S mainline one mile west of Lyle, Washington, undated.

Early view of fill on SP&S mainline one mile west of Lyle, Washington along the Columbia River, undated.

Color postcard view of SP&S mainline and Columbia River one mile west of Lyle, Washington, postmarked May 30, 1917.

A view of SP&S mainline one mile west of Lyle, Washington, undated. Photo by Kiser Photo Company.

A view of an eastbound SP&S freight train east of Binghen-White Salmon, Washington, 1951. Photo by Photo-Art Commercial Studios.

A view of the SP&S mainline above Tongue Point, Oregon from the rear of a passenger train, January 13, 1952. Photo by John Labbe.

Postcard view of the business block and railroad tracks at Rainier, Oregon, undated.

Early view of SP&S mainline east of Lyle, Washington. Track to the right was the former Columbia River & Northern Railway which connected with steamboats on the river, undated.

SP&S mainline and sidings with freight and work cars at Goble, Oregon, July 1968.

SP&S mainline and siding along the Snake River, undated.

SP&S Last Spike Ceremony at Sheridan Point, March 11, 1908. Photo Art Studios photograph.

SP&S Last Spike Ceremony at Sheridan Point, March 11, 1908. Photo Art Studios photograph, from the Oregon Historical Society Collection.

SP&S diesel locomotive Number 322, an American Locomotive Company (ALCO) C-425, on the first trip over new track made necessary due to the construction of the John Day Dam, May 1967. Photo by J. Vincent.

SP&S tracks at Clatsop Beach, Oregon undated. Photo by Kiser Photo Company.

Spokane, Portland & Seattle (SP&S) Junction in Kennewick, Washington, on February 14, 1981, where the SP&S joins the Northern Pacific mainline. This track is in the 3rd subdivision of the Idaho division. Photo by GJ Werkema. Other subject classes: track

Spokane, Portland & Seattle (SP&S) Junction in Kennewick, Washington, on February 14, 1981, where the SP&S joins the Northern Pacific mainline. This track is in the 3rd subdivision of the Idaho division. Photo by GJ Werkema. Other subject classes: track

Site of Pacific Coast Railroad mainline at Maple Valley, circa 1996.

Seattle-Tacoma Interurban Railroad mainline at south Seattle, Washington, circa 1927. Looking north at interurban line, overhead trolley wire, Pacific Coast Railroad mainline at left. Other Subject Classes: railroad mainline, railroad electrification.

Seattle Municipal Railway Track, White Center, Washington, 1920. Right of way view of track on 16th Avenue Southwest south of White Center Station, on Route 4, Highland Park, near White Center Station.

Seattle Municipal Railway Track, White Center, Washington, 1920. Right of way view Northwest on Delridge Way from 16 Southwest and Southwest Roxbury Street, on Route 4, Highland Park, near White Center Station.

Seattle Municipal Railway Track, White Center, Washington, 1920. Right of way view looking south on 16 Avenue Southwest from Southwest Roxbury Street, on Route 4, Highland Park, near White Center.

Seattle Municipal Railway Track, Seattle, Washington, undated. Right of way scene looking north on 28th Avenue Northwest on Route 28, Ballard-28th Avenue Northwest. Other subject categories: Streetcar