Railroad Archives Online
- FondE0477 - BNSF Maps, Drawings and Records Collection
- Sorozat003 - Great Northern Railway Company (U.S.)
- Alsorozat009 - Engineering Records
- 007 - Track
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- IratdarabEBP3268 - Great Northern Structure Technical Drawing, 1897
- IratdarabEBP3270 - Duluth & Winnipeg Railway Track Technical Drawing, undated
- IratdarabEBP3271 - Great Northern Track Technical Drawing, 1966
- IratdarabEBP3272 - Great Northern Track Technical Drawing, undated
- IratdarabEBP3273 - Great Northern Track Technical Drawing, undated
- IratdarabEBP3274 - Great Northern Track Technical Drawing, 1890
- IratdarabEBP3275 - Great Northern Track Technical Drawing, 1896
- IratdarabEBP3276 - Great Northern Track Technical Drawing, 1896
- IratdarabEBP3277 - Great Northern Track Technical Drawing, 1890
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