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
- 35 more...
- ItemJSBP4323 - Great Northern Railway Historical Society Blueprint Collection JSBP4323, Scenic, Washington, 1930.
- ItemJSBP4339 - Great Northern Railway Historical Society Blueprint Collection JSBP4339, Seattle, Washington, 1906.
- ItemJSBP6258 - Great Northern Railway Historical Society Blueprint Collection JSBP6258, System Wide, 1905.
- ItemJSBP6259 - Great Northern Railway Historical Society Blueprint Collection JSBP6259, System Wide, 1905.
- ItemJSBP6260 - Great Northern Railway Historical Society Blueprint Collection JSBP6260, System Wide, 1905.
- ItemJSBP6261 - Great Northern Railway Historical Society Blueprint Collection JSBP6261, System Wide, 1905.
- ItemJSBP6262 - Great Northern Railway Historical Society Blueprint Collection JSBP6262, System Wide, 1905.
- ItemJSBP6434 - Great Northern Railway Historical Society Blueprint Collection JSBP6434, System Wide, 1913.
- ItemJSBP7964 - Great Northern Railway Historical Society Blueprint Collection JSBP7964, System Wide, 1948.
- 12 more...