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

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

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

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.

Color postcard view of SP&S track and the Columbia River near Underwood, Washington, 1912, postmarked July 17, 1916 . This is a postcard image. Photo by the Kiser Photo Company.

Crew laying track on the SP&S at Stevenson, Washington, 1907.

SP&S track along the Columbia River with a view of Castle Rock (Beacon Rock), August 4, 1914. This is a postcard image.

From the top of Beacon Rock we see five Great Northern EMD GP9 diesel locomotives on freight train SWG as it heads to Vancouver, Washington. This train originated on the Santa Fe railroad in California. Bob Johnston Photograph.