Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 314 more...
- ItemJSBP1305 - Great Northern Railway Historical Society Blueprint Collection JSBP1305, Duluth, Minnesota, 1938.
- ItemJSBP1311 - Great Northern Railway Historical Society Blueprint Collection JSBP1311, Duluth, Minnesota, 1939.
- ItemJSBP1316 - Great Northern Railway Historical Society Blueprint Collection JSBP1316, Duluth, Minnesota, 1948.
- ItemJSBP1317 - Great Northern Railway Historical Society Blueprint Collection JSBP1317, Duluth, Minnesota, 1957.
- ItemJSBP1323 - Great Northern Railway Historical Society Blueprint Collection JSBP1323, Duluth - Superior, 1906.
- ItemJSBP1325 - Great Northern Railway Historical Society Blueprint Collection JSBP1325, Duluth - Superior, 1908.
- ItemJSBP1326 - Great Northern Railway Historical Society Blueprint Collection JSBP1326, Duluth - Superior, 1910.
- ItemJSBP1328 - Great Northern Railway Historical Society Blueprint Collection JSBP1328, Duluth - Superior, 1920.
- ItemJSBP1329 - Great Northern Railway Historical Society Blueprint Collection JSBP1329, Duluth - Superior, 1925.
- 727 more...