Great Northern Railway Historical Society Blueprint Collection JSBP5718, Startup, Washington, 1919. Bridge # 441. Progress Construction Report. Authorization for Expenditure 10186. 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 JSBP5719, Startup, Washington, 1919. Bridge # 441. General Elevation. Authorization for Expenditure 10186. 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 JSBP5720, Startup, Washington, 1919. Great Northern Blueprint Number 6.625, Reinforcement for Capstones. Steel Girder Bridge Piers. Authorization for Expenditure 10186. 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 JSBP5721, Startup, Washington, 1919. Bridge # 441. Replacing Pile Trestle Bridge with 3 T.P.G. Spans. Authorization for Expenditure 10186. 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 JSBP5722, Startup, Washington, 1920. Great Northern Blueprint Number 192.2504.12, Bridge # 443. General and Masonry Plan. Authorization for Expenditure 8848. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.