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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- IratdarabEBP1579 - Great Northern Track Technical Drawing, 1890
- IratdarabEBP1580 - Great Northern Track Technical Drawing, 1896
- IratdarabEBP1581 - Great Northern Track Technical Drawing , 1893
- IratdarabEBP1582 - Great Northern Track Technical Drawing, 1897
- IratdarabEBP1583 - Great Northern Track Technical Drawing, 1893
- IratdarabEBP1584 - Great Northern Track Technical Drawing, undated
- IratdarabEBP1585 - Great Northern Track Technical Drawing, 1906
- IratdarabEBP1586 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1881
- IratdarabEBP1587 - Saint Paul, Minneapolis & Manitoba Railway Track Technical Drawing, 1888
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