Great Northern Engineering Drawing: Deck Plan, Bridge 462, west of Snohomish, Washington, Line Segment 037, Milepost 1779.2. Sheet 221 - 4710 - 11, 1969.

Great Northern Engineering Drawing: Deck Plan, Bridge 463, west of Snohomish, Washington, Line Segment 037, Milepost 1779.7. Sheet 275 - 4447 - 15, 1951.

Great Northern Engineering Drawing: Deck Plan, Bridge 463, west of Snohomish, Washington, Line Segment 037, Milepost 1779.7. Sheet 275 - 4447 - 16, 1952.

Great Northern Engineering Drawing: Deck Plan, Bridge 463, west of Snohomish, Washington, Line Segment 037, Milepost 1779.7. Sheet 275 - 4447 - 30, 1957.

Great Northern Engineering Drawing: Deck Plan, Bridge 463, west of Snohomish, Washington, Line Segment 037, Milepost 1779.7. Sheet 275 - 4447 - 33, 1961.

Great Northern Engineering Drawing: Deck Plan, Bridge 464, west of Snohomish, Washington, Line Segment 037, Milepost 1780.2. Sheet 221 - 4711 - 7, 1957.

Great Northern Engineering Drawing: Deck Plan, Bridge 464, west of Snohomish, Washington, Line Segment 037, Milepost 1780.2. Sheet 221 - 4711 - 9, 1959.

Great Northern Engineering Drawing: Deck Plan, Bridge 465, west of Snohomish, Washington, Line Segment 037, Milepost 1780.7. Sheet 221 - 4712 - 9, 1955.

Great Northern Engineering Drawing: Details - Piers Number 10A and 40A, Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 277 - 1447 - 102, undated.

Great Northern Engineering Drawing: Dike Intersection With Northern Pacific Railroad, Bridge 455, east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 7 - E - 20500, undated.