Railroad Archives Online
- フォンドE0477 - BNSF Maps, Drawings and Records Collection
- シリーズ003 - Great Northern Railway Company (U.S.)
- サブシリーズ009 - Engineering Records
- 007 - Track
- 234 more...
- アイテムEBP4352 - Great Northern Track Technical Drawing, 1892
- アイテムEBP4353 - Great Northern Track Technical Drawing, 1896
- アイテムEBP4354 - Great Northern Track Technical Drawing, undated
- アイテムEBP4355 - Great Northern Track Technical Drawing, 1900
- アイテムEBP4356 - Great Northern Track Technical Drawing, 1910
- アイテムEBP4359 - Seattle & Montana Railway Track Technical Drawing, undated
- アイテムEBP4360 - Sioux City & Northern Railway Track Technical Drawing, 1892
- アイテムEBP4361 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
- アイテムEBP4362 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
- 11 more...