Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG), Bridge 54.2 - Kanaka Creek, North Bonneville, Washington, Line Segment 047, Milepost 54.21. Sheet J - 8 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG), Bridge 11.5, Vancouver, Washington, Line Segment 047, Milepost 11.52. Sheet J - 8 - 8, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Spans, Bridge T44.0 - Deschutes River, south of Oakbrook, Oregon, Line Segment 053, Milepost 43.94. Sheet Z - 6 - 13 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Spans, Bridge E20.1 - Highway 26, south of Bowers Junction, Oregon, Line Segment 442, Milepost 22.09. Sheet WX - 170, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span, Bridge T57.5 - Waupanita Creek, south of Cambrai, Oregon, Line Segment 053, Milepost 57.47. Sheet Z - 6 - 18 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span, Bridge F5.7 - Dairy Creek, west of Hillsboro, Oregon, Line Segment 458, Milepost 5.65. Sheet D - 9375, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span, Bridge F5.7 - Dairy Creek, west of Hillsboro, Oregon, Line Segment 458, Milepost 5.65. Sheet D - 9375, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Deck Plate Girder (DPG) Span, Bridge E85.0, Sidney, Oregon, Line Segment 442, Milepost 85.00. Sheet JK - 301, 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: Deck Plate Girder (DPG) Span, Bridge 31.3 - Hathaway Creek, east of Washougal, Washington, Line Segment 047, Milepost 31.32. Sheet B7690A, undated.