Great Northern Railway Historical Society Blueprint Collection JSBP5736, Sultan, Washington, 1920. Great Northern Blueprint Number 194.1376.39, Bridge # 446. General Plan. Authorization for Expenditure 9911. 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 JSBP5737, Sultan, Washington, 1920. Great Northern Blueprint Number 194.1376.40, Bridge # 446. Addition to Piers 3 and 4. Authorization for Expenditure 9911. 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 JSBP5738, Sultan, Washington, 1920. Bridge # 446. Replace Trestle with T.P.G.. Authorization for Expenditure 9911. 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 JSBP5739, Sultan, Washington, 1920. Concrete Foundations. List of Material. Authorization for Expenditure 9911. 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 JSBP5740, Sultan, Washington, 1920. Bridge # 446. Additional Piers and Abutments. Authorization for Expenditure 9911. 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 JSBP5741, Sultan, Washington, 1920. Great Northern Blueprint Number B/329, Bridge Fixture for Bridge Number 444. 2 Views and Placement Diagram. Authorization for Expenditure 13106. 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 JSBP5742, Sultan, Washington, 1920. Great Northern Blueprint Number 2 OF 2, Bridge Number 444 - Shortening and Reinforcing Howe Span. Elevations, Sections and Material List. Authorization for Expenditure 13106. 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 JSBP5743, Sultan, Washington, 1920. Bridge Number 444. Contour Map, Profile and Vicinity Map. Authorization for Expenditure 13106. 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 JSBP5744, Sultan, Washington, 1920. Great Northern Blueprint Number 192-1795-19, Bridge Number 444 - over Wallace River. Details of Piers. Authorization for Expenditure 13106. 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 JSBP5745, Sultan, Washington, 1920. Great Northern Blueprint Number 3-517, Bridge Number 444 - West Abutment Revised. Piling Plan, Plan, Elevations and Sections. Authorization for Expenditure 13106. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.