Great Northern Railway Historical Society Blueprint Collection JSBP9471, Yankton, South Dakota, 1947. Great Northern Blueprint Number 115-3-2, Highway Crossing Signals at State Highway Number 50. Map, Wiring Diagram and Material List. 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 JSBP8665, Vienna, South Dakota, 1946. Great Northern Blueprint Number 135-5713, Proposed Beam Span - Bridge Number 126. Plan and Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP8664, Vienna, South Dakota, 1946. Great Northern Blueprint Number 135-781, Proposed Beam Span - Bridge Number 125. Plan and Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP8609, Vancouver, British Columbia, 1916. Vancouver, Victoria and Eastern Railway and Navigation Company Blueprint Number 3118-6-1, Diagram of Crossings at Powell Street. Site Plan and Details. Interstate Commerce Commission Account Number 9, Rails. Other ICC account descriptions: ICC Account Number 9, Crossing Frog.

Great Northern Railway Historical Society Blueprint Collection JSBP6580, System Wide, 1917. Lehigh and New England Railroad Blueprint Number M.33444, Intercell Circuit with Selector. Selector Simplexed. Interstate Commerce Commission Account Number 26, Telegraph and Telephone Lines. Other ICC account descriptions: ICC Account Number 26, Communications.

Great Northern Railway Historical Society Blueprint Collection JSBP4992, South Sioux Falls, South Dakota, undated. Wilmar & Sioux Falls Railway Blueprint, Replace Bridge Number 224 over Big Sioux River. Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP4991, South Sioux Falls, South Dakota, 1906. Bridge Number 224, Willmar and Sioux Falls Railway. Detail of Seat Stones. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP4867, Sioux Falls, South Dakota, 1912. Great Northern Blueprint Number 108.12.01, Signal Diagram. Arrangement. 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 JSBP4753, Sherman, South Dakota, undated. Bridge #203 over Split Rock Creek. Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.

Great Northern Railway Historical Society Blueprint Collection JSBP4117, Osceola, South Dakota, 1946. Great Northern Blueprint Number 135-5714, Proposed Beam Span - Bridge Number 152. Plan and Elevation. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.