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
- 47 more...
- ItemJSBP8673 - Great Northern Railway Historical Society Blueprint Collection JSBP8673, Vista, Montana, 1912.
- ItemJSBP8674 - Great Northern Railway Historical Society Blueprint Collection JSBP8674, Vista, Montana, 1913.
- ItemJSBP8675 - Great Northern Railway Historical Society Blueprint Collection JSBP8675, Vista, Montana, 1951.
- ItemJSBP8676 - Great Northern Railway Historical Society Blueprint Collection JSBP8676, Vista, Montana, 1953.
- ItemJSBP8755 - Great Northern Railway Historical Society Blueprint Collection JSBP8755, Wayne, Montana, 1949.
- ItemJSBP9662 - Great Northern Railway Historical Society Blueprint Collection JSBP9662, 1916.
- ItemJSBP9724 - Great Northern Railway Historical Society Blueprint Collection JSBP9724, 1918.
- ItemJSBP9777 - Great Northern Railway Historical Society Blueprint Collection JSBP9777, 1920.
- ItemJSBP10132 - Great Northern Railway Historical Society Blueprint Collection JSBP10132, 1936.