Great Northern Railway Historical Society Blueprint Collection JSBP1275, Duluth, Minnesota, 1902. Northern Pacific Railroad Blueprint Number H.1548, Proposed Track. South End of Yard- Rice's Point. 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 JSBP1276, Duluth, Minnesota, 1903. Freight Office. Sign. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Station Facilities.

Great Northern Railway Historical Society Blueprint Collection JSBP1277, Duluth, Minnesota, 1905. Chicago, St. Paul, Minneapolis and Omaha Railway Blueprint, Chicago, St. Paul, Minneapolis and Omaha Railway. Proposed New Track at Duluth. 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 JSBP1278, Duluth, Minnesota, 1906. Great Northern Blueprint Number A70.1, Duluth Map. Showing Interlocks for Minnesota and Wisconsin Draws and N.P. Junction. 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 JSBP1279, Duluth, Minnesota, 1908. Duluth, Superior & Western Railway Blueprint Number H.5227, Rail Section. Drilling for Splice Bars and Rail Bonds. 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 JSBP1280, Duluth, Minnesota, 1908. Profile of West End of Duluth Terminal Trestle. Showing Change of Grade of Northern Pacific track at Duluth Terminal Trestle. Interstate Commerce Commission Account Number 3, Grading. Other ICC account descriptions: ICC Account Number 3, Change In Grade.

Great Northern Railway Historical Society Blueprint Collection JSBP1281, Duluth, Minnesota, 1915. Great Northern Blueprint Number 110-6-1, Duluth Terminal Trestle. Interlocking and Signaling for Soo Connection With Duluth Terminal Trestle. Authorization for Expenditure 25058. Interstate Commerce Commission Account Number 27, Signals and Interlockers. Other ICC account descriptions: ICC Account Number 27, Interlocking and Signaling.

Great Northern Railway Historical Society Blueprint Collection JSBP1282, Duluth, Minnesota, 1917. Repair to Center Fender. Duluth - Superior Bridge. Authorization for Expenditure 3086. 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 JSBP1283, Duluth, Minnesota, 1917. Duluth-Superior Bridge. East End of Draw Rest. Authorization for Expenditure 3086. 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 JSBP5461, Saint Paul, Minnesota, 1936. Northern Pacific Railroad Blueprint Number 360803, Ice House. Plan and Elevation. Authorization for Expenditure 760. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Icing Facilities.