Burlington Northern Engineering Drawing: Steel Repairs, Bridge 455 - Snohomish and Pilchuck Rivers (formerly Great Northern), east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 326 - 1447 - 157, 1972.

Burlington Northern Engineering Drawing: Steel Repairs, Bridge 455 - Snohomish and Pilchuck Rivers (formerly Great Northern), east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 326 - 1447 - 158, 1973.

Burlington Northern Engineering Drawing: Timber Ballast Deck Plan, Bridge 464 (formerly Great Northern), west of Snohomish, Washington, Line Segment 037, Milepost 1780.2. Sheet 221 - 4711 - SEA1, 1986.

AFE, Series I, Number 10209, Snohomish, Washington, August 8, 1904, Private Crossing -- 545+29.6. Located in folder 'Fryelands'. Other subject categories: Crossings. Initial cataloger's disposition code: Z, File not retained

AFE, Series I, Number 11030, Snohomish, Washington, March 19, 1905, Cinder Platform. Located in folder 'Snohomish'. Other subject categories: Grading/Ditching/Roads/Culverts. Initial cataloger's disposition code: X, AFE itself not found but referenced in other documents

AFE, Series I, Number 12772, Snohomish, Washington, February 4, 1907, Extend Passing Track. Located in folder 'Fryelands'. Other subject categories: Track. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper

AFE, Great Northern Railway General Manager, Number 1335, Snohomish, Washington, March 20, 1905, Throw Track - Cascade Timber Company. Located in folder 'Snohomish'. Other subject categories: Track. Initial cataloger's disposition code: X, AFE itself not found but referenced in other documents

AFE, Series I, Number 13498, Snohomish, Washington, March 21, 1905, Extend Ames Spur. Located in folder 'Snohomish'. Other subject categories: Track. Initial cataloger's disposition code: X, AFE itself not found but referenced in other documents

AFE, Series II, Number 1382, Snohomish, Washington, February 18, 1916, Bank Protection. Located in folder 'Snohomish'. Other subject categories: Grading/Ditching/Roads/Culverts. Initial cataloger's disposition code: Z, File not retained

AFE, Series I, Number 14137, Snohomish, Washington, November 26, 1907, Steel Bridge 454. Located in folder 'Fryelands'. Other subject categories: Bridge. Initial cataloger's disposition code: M, AFE Sheet page 1, with map or other paper