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
- 211 more...
- ItemJSBP0668 - Great Northern Railway Historical Society Blueprint Collection JSBP0668, Brockton, Montana, 1920.
- ItemJSBP0669 - Great Northern Railway Historical Society Blueprint Collection JSBP0669, Bridge Number 274, Washington, undated.
- ItemJSBP0670 - Great Northern Railway Historical Society Blueprint Collection JSBP0670, Bridge Number 325, Montana, undated.
- ItemJSBP0671 - Great Northern Railway Historical Society Blueprint Collection JSBP0671, Bridge Number 356, Washington, undated.
- ItemJSBP0674 - Great Northern Railway Historical Society Blueprint Collection JSBP0674, Bridge Number 404, Washington, undated.
- ItemJSBP0675 - Great Northern Railway Historical Society Blueprint Collection JSBP0675, Bridge Number 68, Montana, undated.
- ItemJSBP0676 - Great Northern Railway Historical Society Blueprint Collection JSBP0676, Bridge Over Pacific Highway, Washington, 1917.
- ItemJSBP0683 - Great Northern Railway Historical Society Blueprint Collection JSBP0683, Brockton, Montana, 1919.
- ItemJSBP0689 - Great Northern Railway Historical Society Blueprint Collection JSBP0689, Brook Park, Minnesota, 1940.
- 830 more...