Great Northern Railway Historical Society Blueprint Collection JSBP4472, Seattle, Washington, 1929. Great Northern Blueprint Number Sheet EET 3, Office Building. Second Floor Plan. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Office Building.

Great Northern Railway Historical Society Blueprint Collection JSBP4471, Seattle, Washington, 1929. Great Northern Blueprint Number Sheet EET 1, Office Building. Basement Floor Plan. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Office Building.

Great Northern Railway Historical Society Blueprint Collection JSBP4470, Seattle, Washington, 1929. Great Northern Building. Distribution Heating and Lighting Diagram. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Office Building.

Great Northern Railway Historical Society Blueprint Collection JSBP4469, Seattle, Washington, 1928. Great Northern Blueprint Number X19-327-2, Proposed Post Office Building. Map of Vicinity. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Post Office.

Great Northern Railway Historical Society Blueprint Collection JSBP4468, Seattle, Washington, 1928. Great Northern Blueprint Number Sheet EET 6, Office Building. Longitudinal Section. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Office Building.

Great Northern Railway Historical Society Blueprint Collection JSBP4467, Seattle, Washington, 1928. Great Northern Blueprint Number Sheet EET 5, Office Building. Roof Plan. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Office Building.

Great Northern Railway Historical Society Blueprint Collection JSBP4466, Seattle, Washington, 1928. Great Northern Blueprint Number Sheet EET 4A, Office Building. Fourth Floor Plan. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Office Building.

Great Northern Railway Historical Society Blueprint Collection JSBP4465, Seattle, Washington, 1927. Great Northern Blueprint Number X8-200, 100' X 200' Warehouse Extension for Wa Coop Egg and Poultry. Piling and Floor Plans and Elevations. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Warehouse.

Great Northern Railway Historical Society Blueprint Collection JSBP4464, Seattle, Washington, 1927. Great Northern Blueprint Number X10-212, Remodeling for Universal Car Loading. Floor Plan, Elevations and Details. Authorization for Expenditure 35536. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Freight House.

Great Northern Railway Historical Society Blueprint Collection JSBP4463, Seattle, Washington, 1927. Great Northern Blueprint Number X10-212, Remodeling for Universal Car Loading. Site Plan, Floor Plan and Elevations. Authorization for Expenditure 35536. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Freight House.