Great Northern Railway Historical Society Blueprint Collection JSBP9061, Whitmarsh, Washington, 1950. Great Northern Blueprint Number 313-2312-89, Bridge #12 over Swinomish Slough. Elevation of Center Wedge Machinery. Authorization for Expenditure 80374. 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 JSBP9060, Whitmarsh, Washington, 1950. Great Northern Blueprint Number 313-2312-90, Bridge #12 over Swinomish Slough. General Plan of End Machinery - End Lift, Rail Lift and Lining Device. Authorization for Expenditure 80374. 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 JSBP9059, Whitmarsh, Washington, 1950. Great Northern Blueprint Number 313-2312-91, Bridge #12 over Swinomish Slough. General Plan of Machinery - With Parts Diagrams. Authorization for Expenditure 80374. 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 JSBP9058, Whitmarsh, Washington, 1950. Great Northern Blueprint Number 313-2312-93, Bridge #12 over Swinomish Slough. Authorization for Expenditure 80374. 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 JSBP9057, Whitmarsh, Washington, 1946. Great Northern Blueprint Number 202.2312.53, Bridge # 12. Center Pier. 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 JSBP8970, Whitefish, Montana, 1920. Bridge 3 14. Line Profile. Authorization for Expenditure 9912. 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 JSBP8961, Whitefish, Montana, 1918. Great Northern Blueprint Number 14.2769.01, Bridge # 14. Elevation, Plan, and Bill of Material. Authorization for Expenditure 5957. 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 JSBP8960, Whitefish, Montana, 1917. Great Northern Blueprint Number 179.1600.04, Bridge # 14. Plan, Elevation, and Bill of Material. Authorization for Expenditure 5975. 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 JSBP8959, Whitefish, Montana, 1917. Bridge # 14. Renewal of Piers. Authorization for Expenditure 9912. 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 JSBP8946, White Rock, British Columbia, 1919. Vancouver, Victoria and Eastern Railway and Navigation Company Blueprint, Bridge # 68. Plan and Profile Showing Proposed Fill. Authorization for Expenditure 10360. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.