Great Northern Blueprint Number 1214-13, Minneapolis Union Railway Plan of Crossing Frog 'A' to N.W. Fuel Company Yard on Depot Grounds, 1898. Other subject categories: Drawing

Great Northern Technical Drawing 1219-34, Crossing of Coal & Dock Company Spur over Kunz Oil Company Spur on Nicollet Island, 1906. Other subject categories: Drawing

Great Northern Technical Drawing 1219-25-9, Plan of Frog 9, Engine House, 1890. Other subject categories: Drawing

Great Northern Railway Historical Society Blueprint Collection JSBP3586, Minneapolis - St Paul, Minnesota, 1952. Proposed Interlocking. Consolidation Between Minneapolis and Saint Paul. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.

Great Northern Railway Historical Society Blueprint Collection JSBP3585, Minneapolis - St Paul, Minnesota, 1952. Great Northern Blueprint Number PAMPHLET 772, Consolidation of Interlocking. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.

Great Northern Railway Historical Society Blueprint Collection JSBP3584, Minneapolis - St Paul, Minnesota, 1952. Great Northern Blueprint Number EST R51132, Proposed Control Machine Panel. 15th Avenue and St Anthony Park Interlocking. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.

Great Northern Railway Historical Society Blueprint Collection JSBP3582, Minneapolis, Minnesota, undated. Great Northern Blueprint Number 1044-3-2, X-10S - Layout for #9 Slip Switch. Used for Switchs No. 70 and 71. Interstate Commerce Commission Account Number 9, Rails. Other ICC account descriptions: ICC Account Number 9, Slip Switch.

Great Northern Railway Historical Society Blueprint Collection JSBP3520, Minneapolis, Minnesota, 1951. Great Northern Blueprint Number 9338.01, Interlocking Cabin. (Boom Island) - 14' X 16' Building. Authorization for Expenditure 76797. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.

Great Northern Railway Historical Society Blueprint Collection JSBP3513, Minneapolis, Minnesota, 1950. Great Northern Blueprint Number 1044-3-1, X-7S - Layout for #7 Double Slip Switch. Used On Double Slip Switchs No. 78, 80, 81, and 83. Interstate Commerce Commission Account Number 9, Rails. Other ICC account descriptions: ICC Account Number 9, Slip Switch.

Great Northern Railway Historical Society Blueprint Collection JSBP3494, Minneapolis, Minnesota, 1948. Great Northern Blueprint Number 9338-1, Interlocking Cabin. Boom Island 14' X 16' Cabin. Authorization for Expenditure 76797. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking.