Plat Map of Spokane, Portland, and Seattle Railway facilities at Prindle, Washington, February 10, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Prindle, Washington, February 10, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Prineville Junction, Oregon, March 10, 1919, Sheet Number 1, Line Segment 53, showing the Wishram-Bend line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Prineville Junction, Oregon, March 10, 1919, Sheet Number 2, Line Segment 53, showing the Wishram-Bend line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Quincy, Oregon, March 25, 1915, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Quincy, Oregon, March 25, 1915, Sheet Number 2, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Rainier, Oregon, October 30, 1914, Sheet Number 2, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Rainier, Oregon, October 30, 1914, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Redd, Washington, April 14, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Redd, Washington, April 14, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.