Great Northern Engineering Drawing: Steel Repairs, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 106, 1964.

Great Northern Engineering Drawing: Steel Ties - Ends Drawspan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 94, undated.

Great Northern Engineering Drawing: Vicinity Map, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 12 - 822, undated.

Great Northern Engineering Drawing: Water Elevations, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 6 - 908, undated.

AFE 10035, Mount Vernon, Washington, 1904. Interstate Commerce Commission Account Number 14, Crossings. Series I. Lines West. Other Subject Categories: Crossings, Public

AFE 10093, Mount Vernon, Washington, 1904. Interstate Commerce Commission Account Number 14, Crossings. Series I. Lines West. Other Subject Categories: Crossings, Public

AFE 10115, Mount Vernon, Washington, 1904. Extension. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Series I. Lines West. Other Subject Categories: Track, Industry

AFE 10480, Mount Vernon, Washington, 1904. Sidewalk. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Series I. Lines West. Other Subject Categories: Station Facilities, Grounds