Great Northern Railway Historical Society Blueprint Collection JSBP3904, Moorhead, Minnesota, 1904. Diagram of Crossing Frog. Great Northern and Np Crossing. Authorization for Expenditure 10678. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Other ICC account descriptions: ICC Account Number 12, Rail Line.

Great Northern Railway Historical Society Blueprint Collection JSBP3907, Moorhead, Minnesota, 1909. 6' X 8' Concrete Culvert-Bridge, Number 24, 24.1 and 24.2. Details of Skew End. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Culvert.

Great Northern Railway Historical Society Blueprint Collection JSBP3926, Moorhead, Minnesota, 1946. Great Northern Blueprint Number 7340-1, Interlocking Tower. New Windows and Enclosing Stair. Authorization for Expenditure 73686. 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 JSBP3931, Moorhead and Fargo, 1951. Amortization of Interlockings. Letters. Authorization for Expenditure 77360. 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 JSBP3969, Mount Vernon, Washington, 1916. Great Northern Blueprint Number 12.716, Interlocking Cabin. (14 X 14) - Plans and Details. Authorization for Expenditure 2762. 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 JSBP3970, Mount Vernon, Washington, 1916. Great Northern Blueprint Number 110.16.01, Interlocking. Electrical Connections. 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 JSBP3971, Mount Vernon, Washington, undated. Great Northern Blueprint Number 3117.06.01, Crossing Frog # 1. with Psc Ry. Interstate Commerce Commission Account Number 12, Track Laying and Surfacing. Other ICC account descriptions: ICC Account Number 12, Rail Line.

Great Northern Railway Historical Society Blueprint Collection JSBP4043, Nicomekl River, British Columbia, 1897. Flood Gate for Nicomekl River. Plan and Elevations. Interstate Commerce Commission Account Number 35, Miscellaneous Structures. Other ICC account descriptions: ICC Account Number 35, Dam.

Great Northern Railway Historical Society Blueprint Collection JSBP4050, Norcross, Minnesota, 1920. Great Northern Blueprint Number 105-20440Sheet 16, Standard 8' X 12' Reinforced Concrete Box Culvert. Plan, Elevation, Section and Details. Authorization for Expenditure 13107. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Culvert.

Great Northern Railway Historical Society Blueprint Collection JSBP4132, Paola, Montana, 1904. Great Northern Blueprint Number E.406.01, Snowshed. Proposed Protection Shed at Tunnel # 2. Interstate Commerce Commission Account Number 14, Snow and Sand Fences and Snowsheds. Other ICC account descriptions: ICC Account Number 13, Snow Shed.