Plat Map of Spokane, Portland, and Seattle Railway facilities at Marshland, Oregon, May 14, 1915, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Marshland, 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 Martin, Washington, May 2, 1914, Sheet Number 2, Line Segment 49, showing the Ellensburg-Rainier (Auburn) line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Martindale, Washington, April 9, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Martindale, Washington, April 9, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Mayger, Oregon, April 7, 1915, Sheet Number 2, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Mayger, Oregon, April 7, 1915, Sheet Number 1, Line Segment 440, showing the Willbridge-Seaside line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at McLoughlin, Washington, March 12, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at McLoughlin, 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 McLoughlin, 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 McLoughlin, Washington, March 12, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Mock, Washington, September 1, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

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

Plat Map of Spokane, Portland, and Seattle Railway facilities at Mt Pleasant, Washington, February 8, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Mt Pleasant, Washington, February 8, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at North Bonneville, Washington, October 28, 1935, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at North Dalles, Washington, July 20, 1959, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at North Dalles, Washington, July 20, 1959, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at North Plains, Oregon, September 5, 1911, Sheet Number 2, Line Segment 443, showing the Bowers Junction-Vernonia line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at North Plains, Oregon, September 5, 1911, Sheet Number 1, Line Segment 443, showing the Bowers Junction-Vernonia line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at North Portland Junction, Oregon, June 30, 1916, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at North Portland Junction, Oregon, June 30, 1916, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Overlook, Washington, February 2, 1916, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Overlook, Washington, February 2, 1916, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, May 21, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line, mainline east.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, April 2, 1915, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line.

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

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, May 21, 1915, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line, Pasco Yard, east end.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, November 10, 1916, Sheet Number 1, Line Segment 47, showing the Latah Junction-Portland line, plat map.

Plat Map of Spokane, Portland, and Seattle Railway facilities at Pasco, Washington, November 10, 1916, Sheet Number 2, Line Segment 47, showing the Latah Junction-Portland line, projected right of way.