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 3008 - Tunnels
- 1 more...
- ItemJSBP0448 - Great Northern Railway Historical Society Blueprint Collection JSBP0448, Belton, Montana, 1957.
- ItemJSBP0449 - Great Northern Railway Historical Society Blueprint Collection JSBP0449, Belton, Montana, 1958.
- ItemJSBP0494 - Great Northern Railway Historical Society Blueprint Collection JSBP0494, Berne, Washington, 1948.
- ItemJSBP0495 - Great Northern Railway Historical Society Blueprint Collection JSBP0495, Berne, Washington, 1948.
- ItemJSBP0496 - Great Northern Railway Historical Society Blueprint Collection JSBP0496, Berne, Washington, 1948.
- ItemJSBP0497 - Great Northern Railway Historical Society Blueprint Collection JSBP0497, Berne, Washington, 1948.
- ItemJSBP0498 - Great Northern Railway Historical Society Blueprint Collection JSBP0498, Berne, Washington, 1948.
- ItemJSBP0499 - Great Northern Railway Historical Society Blueprint Collection JSBP0499, Berne, Washington, 1948.
- ItemJSBP0500 - Great Northern Railway Historical Society Blueprint Collection JSBP0500, Berne, Washington, 1948.
- 46 more...