Great Northern Engineering Drawing: 260 Foot Drawspan, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 81, undated.

Great Northern Engineering Drawing: 80 Foot Deck Plate Girder (DPG), Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 86, undated.

Great Northern Engineering Drawing: Air Equipment, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 161, undated.

Great Northern Engineering Drawing: Air Machinery, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 91, undated.

Great Northern Engineering Drawing: Balance Wheels, Bridge 11 - Steamboat Slough, north of Delta, Washington, Line Segment 050, Milepost 37.8. Sheet 200 - 1712 - 48, undated.

Great Northern Engineering Drawing: Blocking Raise Grade, Bridge 10 - Snohomish River, north of Delta, Washington, Line Segment 050, Milepost 37.1. Sheet 197 - 2409 - 90, undated.

Great Northern Engineering Drawing: Cast Iron Wheel, Bridge 11 - Steamboat Slough, north of Delta, Washington, Line Segment 050, Milepost 37.8. Sheet 200 - 1712 - 24, undated.

Great Northern Engineering Drawing: Cast Steel Bracket - Repairs, Bridge 11 - Steamboat Slough, north of Delta, Washington, Line Segment 050, Milepost 37.8. Sheet 200 - 1712 - 25, undated.