Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1012 - Cartographic materials
- Subseries Level 2001 - Railroads - Right of Way
- 95 more...
- ItemJSBP10649 - Great Northern Railway Historical Society Blueprint Collection JSBP10649, undated.
- ItemJSBP10650 - Great Northern Railway Historical Society Blueprint Collection JSBP10650, undated.
- ItemJSBP10651 - Great Northern Railway Historical Society Blueprint Collection JSBP10651, undated.
- ItemJSBP10674 - Great Northern Railway Historical Society Blueprint Collection JSBP10674, undated.
- ItemJSBP10675 - Great Northern Railway Historical Society Blueprint Collection JSBP10675, undated.
- ItemJSBP4913 - Great Northern Railway Historical Society Blueprint Collection JSBP4913, Skykomish - Scenic, Washington, 1941.