Northern Pacific Engineering Drawing: General Plan, Bridge 78 - Olequa Creek, south of Vader, Washington, Line Segment 052, Milepost 78.4. Sheet 1256 - 6, 1941. Note: Steel spans

Northern Pacific Engineering Drawing: General Plan/Detail Masonry, Bridge 78 - Olequa Creek, south of Vader, Washington, Line Segment 052, Milepost 78.4. Sheet 443 - 21, 1899. Note: Steel truss

Northern Pacific Engineering Drawing: General Plan/Detail Masonry, Bridge 84 - Toutle River, south of Vader, Washington, Line Segment 052, Milepost 84.9. Sheet 429 - 18, 1910. Note: Steel spans and AFE truss

Northern Pacific Engineering Drawing: General Plan/Elevation/Map, Bridge 81 - Cowlitz River, south of Vader, Washington, Line Segment 052, Milepost 81.5. Sheet 429 - 17, undated. Note: Steel spans and AFE truss

Northern Pacific Engineering Drawing: General Plan/Falsework, etc., Bridge 84 - Toutle River, south of Vader, Washington, Line Segment 052, Milepost 84.9. Sheet 429 - 18, undated.

Northern Pacific Engineering Drawing: General/Packing Diagram, Bridge 84 - Toutle River, south of Vader, Washington, Line Segment 052, Milepost 84.9. Sheet 429 - 18, undated.