Plat Map of Spokane, Portland, and Seattle Railway facilities at Svensen, Oregon, May 8, 1918, Sheet Number 2, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Terrebone, Oregon, June 30, 1916, Sheet Number 1, Line Segment 53, showing the Wishram-Bend line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Terrebone, Oregon, June 30, 1916, Sheet Number 2, Line Segment 53, showing the Wishram-Bend line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Underwood, Washington, November 11, 1946, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Underwood, Washington, undated, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Vancouver, Washington, June 30, 1916, Sheet Number 2, Line Segment 643, showing the Mainline, property listings.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Vancouver, Washington, June 30, 1916, Sheet Number 1, Line Segment 643, showing the Mainline, waterfront, industry spurs.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Vancouver, Washington, December 10, 1952, Sheet Number 2, Line Segment 643, showing the Vancouver Yard, roundhouse.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Vancouver, Washington, December 10, 1952, Sheet Number 1, Line Segment 643, showing the Vancouver Yard.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Vancouver, Washington, August 11, 1954, Sheet Number 1, Line Segment 643, showing the Wye, depot, industry spurs.