Spokane, Portland and Seattle Railway Engineering Drawing: 25 Foot Beam Girder, Bridge A34.4 - Merrill Creek, west of Reichhold, Oregon, Line Segment 440, Milepost 34.36, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: 20 Foot I - Beam Span, Bridge A26.5 (164?) - (No Suggestions) Creek, west of Saint Helens, Oregon, Line Segment 440, Milepost 26.51. Sheet N - 3 - 15, 1902. Note: Steel span

Spokane, Portland and Seattle Railway Engineering Drawing: 20 Foot Beam Girder, Bridge A22.8 (164) - Underpass, west of Scappoose, Oregon, Line Segment 440, Milepost 22.79, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: 1948, Bridge 322.3 - Chicago, Milwaukee, St. Paul & Pacific Crossing, north of Lantz, Washington, Line Segment 047, Milepost 322.3. Sheet 00 - 649, 1948.

Spokane, Portland and Seattle Railway Engineering Drawing: 17 Foot 0 Inch Span, Bridge T148.5 - Swally Ditch, south of Deschutes, Oregon, Line Segment 053, Milepost 148.55. Sheet NO - 360, 1949. Note: Steel span

Spokane, Portland and Seattle Railway Engineering Drawing: 115 Foot Deck Plate Girder (DPG), Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02. Sheet NO - 417, undated.

Spokane, Portland and Seattle Railway Engineering Drawing: 115 Foot Deck Plate Girder (DPG), Bridge G2.1 - County Road, north of Lyle, Washington, Line Segment 439, Milepost 2.02, undated.