Railroad Archives Online
- フォンドE0045A - Great Northern Railway- Blueprint-Authorization for Expenditure Collection
- シリーズ004 - Northern Pacific Railroad Company
- サブシリーズ009 - Engineering Records
- 008 - Physical plant drawing
- 004 - Maintenance of Way support
- アイテムJSBP4639 - Great Northern Railway Historical Society Blueprint Collection JSBP4639, Seattle, Washington, 1949.
- 2 more...