Spokane, Portland and Seattle Railway Engineering Drawing: Hook Floor and Anchor, Bridge A27.4 (159) - Milton Creek, Saint Helens, Oregon, Line Segment 440, Milepost 27.40, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Hood Contour Cross, Bridge 72.8 - White Salmon River, east of Hood, Washington, Line Segment 047, Milepost 72.80. Sheet N5 - 10, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Highway, Bridge T151.7 - Third Avenue, Bend, Oregon, Line Segment 053, Milepost 151.74, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Highway Undergrade Crossing, Bridge T151.0 - Greenwood Ave, Bend, Oregon, Line Segment 053, Milepost 151.03, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Hangers for Tranverses, Bridge 9.6 - Columbia River, Vancouver, Washington, Line Segment 047, Milepost 9.31, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Hanger Boxes, Bridge A62.7 - Clatskanie River, west of Clatskanie, Oregon, Line Segment 440, Milepost 62.67, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Hanger Boxes End Shaft, Bridge A84.8 - Blind Slough, west of Clifton, Oregon, Line Segment 440, Milepost 84.71, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Handrail/Shoes, Bridge 374.8 - 13Th Street, south of Latah Junction, Washington, Line Segment 047, Milepost 374.79. Sheet 330 - 6515 - 11, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: Handrail/Shoe, Bridge 374.8 - 13Th Street, south of Latah Junction, Washington, Line Segment 047, Milepost 374.79. Sheet 337 - 6384 - 11, undated.