Great Northern Railway Historical Society Blueprint Collection JSBP3959, Morris, Minnesota, 1951. Great Northern Blueprint Number 9419-1, Standard 16' X 61'4'' Steel Signal Maintainer's and Motor House. Floor Plan, Elevations, Sections and Details. Authorization for Expenditure 82421. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Yard Building.

Great Northern Railway Historical Society Blueprint Collection JSBP3960, Morris, Minnesota, 1951. Great Northern Blueprint Number 9419-1, Standard 16' X 61'4'' Steel Signal Main. and Motor House. Floor Plan, Elevations, Sections and Details. Authorization for Expenditure 82421. Interstate Commerce Commission Account Number 17, Roadway Buildings. Other ICC account descriptions: ICC Account Number 17, Motor Car House.