Spokane, Portland and Seattle Railway Engineering Drawing: And 1481.9 and 1482.2, Bridge 374.8 - 13Th Street, south of Latah Junction, Washington, Line Segment 047, Milepost 374.79. Sheet 337 - 6384 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Anchorage Plan, Bridge E43.4 - Willamette River, south of Tualatin, Oregon, Line Segment 442, Milepost 43.24. Sheet 370 - 6592 - 14, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Alteration of Shoe, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, 1955.

Spokane, Portland and Seattle Railway Engineering Drawing: Alteration of Shoe, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, 1955.

Spokane, Portland and Seattle Railway Engineering Drawing: Alteration of Shoe, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 208, 1955.

Spokane, Portland and Seattle Railway Engineering Drawing: Alter of Bridge, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet, 1969.

Spokane, Portland and Seattle Railway Engineering Drawing: Additional Girders, Bridge 11.3 - Underpass, Vancouver, Washington, Line Segment 047, Milepost 11.34. Sheet NO 459, undated.