Great Northern Engineering Drawing: Tool and Coal Boxes, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 93, undated.

Great Northern Engineering Drawing: Tie Details, Bridge 11 - Steamboat Slough, north of Delta, Washington, Line Segment 050, Milepost 37.8. Sheet 200 - 1712 - 54, undated.

Great Northern Engineering Drawing: Tie Details and Bill of Material, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 193, undated.

Great Northern Engineering Drawing: Supplementary Piping Diagram, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 85A, undated.

Great Northern Engineering Drawing: Steel Repairs, Bridge 11 - Steamboat Slough, north of Delta, Washington, Line Segment 050, Milepost 37.8. Sheet 200 - 1712 - 59, 1964.

Great Northern Engineering Drawing: Steel Repairs, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 189, 1956.

Great Northern Engineering Drawing: Shop Plan - Vertical Posts, Bridge 11 - Steamboat Slough, north of Delta, Washington, Line Segment 050, Milepost 37.8. Sheet 200 - 1712 - 18, undated.

Great Northern Engineering Drawing: Shop Plan - Turned Bolts, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 156, undated.

Great Northern Engineering Drawing: Shop Plan - Truss, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 103, undated.