AFE, Series II, Number 91060, Mount Vernon, Washington, March 4, 1959, Bulkheads in 5000-Series Cars. Located in folder 'Mt. Vernon'. Other subject categories: Equipment. Initial cataloger's disposition code: X, AFE itself not found but referenced in other documents

AFE, Series II, Number 9146, Mount Vernon, Washington, September 19, 1918, Extend Mount Vernon Milling Company Spur. Located in folder 'Mt. Vernon'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper

AFE, Series II, Number 91492, Mount Vernon, Washington, June 24, 1959, Remove Part of Crossing. Located in folder 'Mt. Vernon'. Other subject categories: Crossings. Initial cataloger's disposition code: Z, File not retained

AFE, Series I, Number 9540, Mount Vernon, Washington, March 18, 1905, Right of Way Fence. Located in folder 'Mt. Vernon'. Other subject categories: Row Fence. Initial cataloger's disposition code: X, AFE itself not found but referenced in other documents

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.