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 3002 - Depots and Freighthouses
- 721 more...
- ItemJSBP2448 - Great Northern Railway Historical Society Blueprint Collection JSBP2448, Havre, Montana, undated.
- ItemJSBP2456 - Great Northern Railway Historical Society Blueprint Collection JSBP2456, Helena, Montana, 1912.
- ItemJSBP2457 - Great Northern Railway Historical Society Blueprint Collection JSBP2457, Helena, Montana, 1912.
- ItemJSBP2458 - Great Northern Railway Historical Society Blueprint Collection JSBP2458, Helena, Montana, 1912.
- ItemJSBP2459 - Great Northern Railway Historical Society Blueprint Collection JSBP2459, Helena, Montana, 1912.
- ItemJSBP2460 - Great Northern Railway Historical Society Blueprint Collection JSBP2460, Helena, Montana, 1912.
- ItemJSBP2461 - Great Northern Railway Historical Society Blueprint Collection JSBP2461, Helena, Montana, 1913.
- ItemJSBP2462 - Great Northern Railway Historical Society Blueprint Collection JSBP2462, Helena, Montana, 1919.
- ItemJSBP2463 - Great Northern Railway Historical Society Blueprint Collection JSBP2463, Helena, Montana, 1919.
- 1527 more...