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
- 526 more...
- ItemJSBP3271 - Great Northern Railway Historical Society Blueprint Collection JSBP3271, Mesabi Division, undated.
- ItemJSBP3272 - Great Northern Railway Historical Society Blueprint Collection JSBP3272, Mesabi Division, undated.
- ItemJSBP3279 - Great Northern Railway Historical Society Blueprint Collection JSBP3279, Milaca, Minnesota, 1940.
- ItemJSBP3280 - Great Northern Railway Historical Society Blueprint Collection JSBP3280, Milaca, Minnesota, undated.
- ItemJSBP3281 - Great Northern Railway Historical Society Blueprint Collection JSBP3281, Milaca, Minnesota, undated.
- ItemJSBP3282 - Great Northern Railway Historical Society Blueprint Collection JSBP3282, Minneapolis, Minnesota, 1881.
- ItemJSBP3283 - Great Northern Railway Historical Society Blueprint Collection JSBP3283, Minneapolis, Minnesota, 1890.
- ItemJSBP3287 - Great Northern Railway Historical Society Blueprint Collection JSBP3287, Minneapolis, Minnesota, 1892.
- ItemJSBP3288 - Great Northern Railway Historical Society Blueprint Collection JSBP3288, Minneapolis, Minnesota, 1893.
- 515 more...