Plat Map of Spokane, Portland, and Seattle Railway facilities at Hooper, Washington, September 7, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Hood, Washington, December 2, 1914, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Hood, Washington, December 2, 1914, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

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

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

Plat Map of Spokane, Portland, and Seattle Railway facilities at Holbrook, Oregon, undated, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Holbrook, Oregon, March 20, 1912, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Hammond, Oregon, May 16, 1915, Sheet Number 1, Line Segment 441, showing the Warrenton-Hammond line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Hammond, Oregon, May 16, 1915, Sheet Number 2, Line Segment 441, showing the Warrenton-Hammond line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Goldendale, Washington, February 21, 1916, Sheet Number 2, Line Segment 439, showing the Goldendale-Lyle line.