Great Northern Blueprint Number D-35-2/3, map of Plat of First Class Tide Lands in Snohomish County, 1890. Other subject categories: Map

Great Northern Blueprint Number 1250-2, map of Preliminary Location Edmunds to Mouth of Snohomish River, undated. Other subject categories: Right of Way and Track Map

Great Northern Blueprint Number 1250-11, map of Preliminary Line along Snohomish River to Lake Washington, undated. Other subject categories: Right of Way and Track Map

Great Northern Railway Historical Society Blueprint Collection JSBP4926, Snohomish Bridge, Washington, 1910. Interlocking at Snohomish Bridge. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.

Great Northern Railway Historical Society Blueprint Collection JSBP4925, Snohomish, Washington, undated. Bank Protection. Print Showing Bridge, Rail Line, River Bank. Interstate Commerce Commission Account Number 3, Grading.

Great Northern Railway Historical Society Blueprint Collection JSBP4924, Snohomish, Washington, undated. Great Northern Blueprint Number Sheet EET 1, Bank Protection. Great Northern Main Line Over Snohomish River. Interstate Commerce Commission Account Number 3, Grading.

Great Northern Railway Historical Society Blueprint Collection JSBP4923, Snohomish, Washington, undated. Great Northern Blueprint Number A.10.73, Snohomish Bridge. Track Plan Over Bridge. Authorization for Expenditure 17149. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP4922, Snohomish, Washington, 1948. Great Northern Blueprint Number 221-4710-3, Bridge #462 over Drainage Ditch. General Plan. Elevation and Plan Views With Piling Locations. Authorization for Expenditure 76228. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP4921, Snohomish, Washington, 1946. Great Northern Blueprint Number 201-4135, Bridge 455 at Pilchuck River. Proposed Bm Span. Elevation View. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.