Great Northern Railway Historical Society Blueprint Collection JSBP8763, Wayzata, Minnesota, 1918. Wayzata Yard Map. Showing Crossing Signals. Authorization for Expenditure 7875. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP8762, Wayzata, Minnesota, 1918. Great Northern Blueprint Number 147-12, Automatic Street Crossing Bells. Authorization for Expenditure 7875. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP8647, Various Places, Minnesota, 1917. Northern Pacific Railroad Blueprint, Map of Sign Locations. Northtown to Saint Cloud. Authorization for Expenditure 3066. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP8646, Various Places, Minnesota, 1917. Northern Pacific Railroad Blueprint, Final Statement of Work. Supplemential Crossing Signs - Great Northern Side. Authorization for Expenditure 3066. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP8645, Various Places, Minnesota, 1917. Map of Sign Locations. Northtown to Saint Cloud. Authorization for Expenditure 6489. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP6015, Swan River, Minnesota, undated. Great Northern Blueprint Number A.10.95, Block Signal. Wiring Diagram. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP5606, Saint Paul, Minnesota, 1959. Great Northern Blueprint Number 8536.16, Proposed Signal and Communication Shop. (Jackson St) - Floor Plan. Authorization for Expenditure 91255. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP5605, Saint Paul, Minnesota, 1959. Great Northern Blueprint Number 9608.01, Proposed Signal and Communications Shop. (Jackson St) - Floor Plan. Authorization for Expenditure 91255. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP4211, Redland, Minnesota, 1912. Great Northern Blueprint Number 102-9-2, Crossing With N.P.Ry. Map, Wiring Diagram and Dog Chart. Authorization for Expenditure 8320. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.

Great Northern Railway Historical Society Blueprint Collection JSBP3993, New Prague, Minnesota, 1943. Great Northern Blueprint Number TOS - 1, Train Order Signal. Elevation. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Signal.