Plat Map of Spokane, Portland, and Seattle Railway facilities at Cooks, Washington, February 23, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Clifton, Oregon, May 4, 1915, Sheet Number 2, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Clifton, Oregon, May 4, 1915, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Clatskanie, Oregon, March 16, 1915, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Clatskanie, Oregon, March 16, 1915, Sheet Number 2, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Christie, Oregon, June 5, 1912, Sheet Number 2, Line Segment 443, showing the Bowers Junction-Vernonia line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Christie, Oregon, June 5, 1912, Sheet Number 1, Line Segment 443, showing the Bowers Junction-Vernonia line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Centerville, Washington, November 20, 1915, Sheet Number 1, Line Segment 439, showing the Goldendale-Lyle line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Centerville, Washington, November 20, 1915, Sheet Number 2, Line Segment 439, showing the Goldendale-Lyle line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Camp Clatsop, Oregon, April 2, 1915, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.