Spokane, Portland and Seattle Railway Engineering Drawing: Rock Mortar Wall West End, Bridge 304.4 - Cow Creek, north of Hooper, Washington, Line Segment 047, Milepost 304.4. Sheet RR - 676, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rock Fill north Abutment East, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 209, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Rock Fill north Abutment East, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 209, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Riveted Truss Span/Stress Sheet, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 5 - 1, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Riveted Draw Span/Stress Sheet, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet Z - 5 - 3, undated.

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

Spokane, Portland and Seattle Railway Engineering Drawing: River Stages, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet WX - 209, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: River Sketch, Bridge 66.4 - Little White Salmon River, east of Cooks, Washington, Line Segment 047, Milepost 66.32. Sheet N - 5 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: River Cross Sketch, Bridge 66.4 - Little White Salmon River, east of Cooks, Washington, Line Segment 047, Milepost 66.32. Sheet N - 5 - 7, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Right of Way and Track Map, Bridge T0.4 - Columbia River, south of Wishram, Washington, Line Segment 053, Milepost 0.37. Sheet 324 - 6094, undated.