Spokane, Portland and Seattle Railway Engineering Drawing: Abutments and Retaining Wall, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet N - 1 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Abutments and Wing Walls, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet N - 1 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Bed Plates, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet NN - 420, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Channel Change, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet N - 1 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Cross Plan, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet N - 1 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet B7690A, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span, Bridge 31.3 - Woodard Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet 444 - 27, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Plan of Abutments, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet N - 1 - 7, undated.