Railroad Archives Online
- CollectionE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- Series001 - Burlington Northern Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3006 - Stockyards
- ItemJSBP2178 - Great Northern Railway Historical Society Blueprint Collection JSBP2178, Harlem, Montana, 1982.