Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series010 - Other Railroads
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- ItemJSBP0841 - Great Northern Railway Historical Society Blueprint Collection JSBP0841, Cascade Park, Montana, 1902.
- ItemJSBP0963 - Great Northern Railway Historical Society Blueprint Collection JSBP0963, Colebrook, British Columbia, 1920.
- ItemJSBP0964 - Great Northern Railway Historical Society Blueprint Collection JSBP0964, Colebrook, British Columbia, 1920.
- ItemJSBP0965 - Great Northern Railway Historical Society Blueprint Collection JSBP0965, Colebrook, British Columbia, 1920.
- ItemJSBP0966 - Great Northern Railway Historical Society Blueprint Collection JSBP0966, Colebrook, British Columbia, 1920.
- 56 more...