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, 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 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

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.

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: 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: Deck Renewal, Bridge 459 (formerly Great Northern), west of Snohomish, Washington, Line Segment 037, Milepost 1778.2. Sheet 194 - 2332 - DE1, 1980.

Burlington Northern Engineering Drawing: Deck Plan, Bridge 465 (formerly Great Northern), west of Snohomish, Washington, Line Segment 037, Milepost 1780.7. Sheet 221 - 4712 - S1, 1983.

Burlington Northern Engineering Drawing: Deck Plan, Bridge 455 (formerly Great Northern), east of Snohomish, Washington, Line Segment 037, Milepost 1775.0. Sheet 277 - 1447 - 130, 1983.