Railroad Archives Online
- ArkivE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Underserie009 - Engineering Records
- 007 - Track
- 116 mer...
- ObjektEBP3598 - Great Northern Track Technical Drawing, 1893
- ObjektEBP3618 - Great Northern Technical Drawing, Sioux City, Iowa, undated
- ObjektEBP3619 - Great Northern Technical Drawing, Sioux City, Iowa, undated
- ObjektEBP3620 - Great Northern Technical Drawing, Sioux City, Iowa, undated
- ObjektEBP3621 - Great Northern Technical Drawing, Sioux City, Iowa, 1919
- ObjektEBP3622 - Great Northern Technical Drawing, Sioux City, Iowa, 1919
- ObjektEBP3623 - Great Northern Technical Drawing, Sioux City, Iowa, undated
- ObjektEBP3624 - Great Northern Technical Drawing, Sioux City, Iowa, 1906
- ObjektEBP3625 - Great Northern Technical Drawing, Sioux City, Iowa, 1906
- 129 mer...