Great Northern Railway Historical Society Blueprint Collection JSBP4784, Sioux Center, Iowa, 1941. Passenger and Freight Depot. Floor Plan and Elevation. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP4785, Sioux Center, Iowa, 1946. Great Northern Blueprint Number 7855-1, Passenger and Freight Depot. Floor Plan. Authorization for Expenditure 71787. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP4786, Sioux Center, Iowa, 1950. Great Northern Blueprint Number 7855-4, Passenger and Freight Depot. Wall Sections and Window Details. Authorization for Expenditure 71787. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.