Burlington Northern Engineering Drawing: Deck Plan, Bridge 36 - Skagit River (formerly Great Northern), north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 107, 1981.

Great Northern Engineering Drawing: Add Bents Required, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 11 - 707, 1916.

Great Northern Engineering Drawing: Contour Map and Profile, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0, undated.

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

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

Great Northern Engineering Drawing: Deck Plan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 95, 1932.

Great Northern Engineering Drawing: Deck Plan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 102, 1953.

Great Northern Engineering Drawing: Deck Plan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 103, 1954.

Great Northern Engineering Drawing: Deck Plan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 104, 1956.

Great Northern Engineering Drawing: Detail Plan Granite Coping, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 5, undated.

Great Northern Engineering Drawing: Falsework Plan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 7, undated.

Great Northern Engineering Drawing: General Detail Lining Device, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 87, undated.

Great Northern Engineering Drawing: General Detail Lining Device, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 86, undated.

Great Northern Engineering Drawing: General Plan of Lining Device, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 85, undated.

Great Northern Engineering Drawing: Machinery and Operating House, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 47, undated.

Great Northern Engineering Drawing: Machinery Below Deck, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 49, undated.

Great Northern Engineering Drawing: Masonry Plan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 2, undated.

Great Northern Engineering Drawing: Masonry Plan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 4, undated.

Great Northern Engineering Drawing: Masonry Plan, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 200 - 1714 - 3, undated.

Great Northern Engineering Drawing: Present Steel Bridge, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0, undated.

Great Northern Engineering Drawing: Reference Points and Elevation, Bridge 36 - Skagit River, north of Mount Vernon, Washington, Line Segment 050, Milepost 70.0. Sheet 6 - 908 - 1, undated.