Great Northern Railway Historical Society Blueprint Collection JSBP1320, Duluth, Minnesota, undated. Great Northern Blueprint Number 1235-13, McDougall Warehouse. Detail of Plate Between Ramp and Roadway. Interstate Commerce Commission Account Number 16, Station and Office Buildings. Other ICC account descriptions: ICC Account Number 16, Warehouse.

Great Northern Railway Historical Society Blueprint Collection JSBP1319, Duluth, Minnesota, undated. Duluth Map. Present Freight Yards and Depot Showing Proposed Foot Bridge. 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 JSBP1318, Duluth, Minnesota, undated. Duluth Map. Remove Piers From Duluth Bridge Co Trestle. 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 JSBP1317, Duluth, Minnesota, 1957. Great Northern Blueprint Number 211.1560.346, Duluth-Superior Bridge. Fender for Center Pier - Renewal of East Nose Crib. Authorization for Expenditure 88095. 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 JSBP1316, Duluth, Minnesota, 1948. Timber Sidewalk. Details - 9th Avenue W and Michigan Street. 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 JSBP1315, Duluth, Minnesota, 1947. Duluth Map. Shows Foundations of Duluth Terminal Trestle That Have Been Removed. Authorization for Expenditure 68088. 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.

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.

Great Northern Railway Historical Society Blueprint Collection JSBP1312, Duluth, Minnesota, 1944. Great Northern Blueprint Number 223-10410138, Profile of Proposed Northern Pacific Connection. Alternate "A". Authorization for Expenditure 68088. 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 JSBP1311, Duluth, Minnesota, 1939. Great Northern Blueprint Number 211-1560-51, Approach to Inter-State Bridge. General Plan and Typical Details. Authorization for Expenditure 53331. Interstate Commerce Commission Account Number 6, Bridges, Trestles, and Culverts. Other ICC account descriptions: ICC Account Number 6, Bridge.