Spokane, Portland and Seattle Railway Engineering Drawing: Standard 100 Foot Deck Plate Girder (DPG), Bridge Standard Plan. Sheet AA - 432, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Stairway Operating House, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 1 - 9 - 17, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Stairway Operating House, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 1 - 15, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Stairs/Platforms, Bridge E126.9 - Willamette River, south of Harrisburg, Oregon, Line Segment 442, Milepost 125.99. Sheet V - 4 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Special Nuts, Bridge 66.4 - Little White Salmon River, east of Cooks, Washington, Line Segment 047, Milepost 66.32. Sheet NN - 192, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Spans/Plate/Bottom Lights, Bridge A97.8 - Columbia River, Astoria, Oregon, Line Segment 440, Milepost 97.77. Sheet NO - 266, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Span Swing Motors, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 13 - 5, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Span Swing Motors, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31. Sheet Z - 2 - 13 - 6, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Span Swing Motors, Bridge 5.1 - Willamette River, north of Willbridge, Oregon, Line Segment 047, Milepost 5.15. Sheet Z - 1 - 5 - 12, undated.