Railroad Archives Online
- CollectionD0237A - Great Northern Railway Historical Society Cascade Division Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1013 - Operations documents
- Subseries Level 2004 - Train sheets
- ItemGNRHSCD293 - Great Northern Dispatchers Record of Movement of Trains, Cascade Division 2nd Subdivision, March 2, 1961
- ItemGNRHSCD294 - Great Northern Dispatchers Record of Movement of Trains, Cascade Division 2nd Subdivision, March 3, 1961
- ItemGNRHSCD295 - Great Northern Dispatchers Record of Movement of Trains, Cascade Division 2nd Subdivision, March 4, 1961
- ItemGNRHSCD296 - Great Northern Dispatchers Record of Movement of Trains, Cascade Division 2nd Subdivision, March 5, 1961
- ItemGNRHSCD297 - Great Northern Dispatchers Record of Movement of Trains, Cascade Division 2nd Subdivision, March 6, 1961
- 24 more...