Railroad Archives Online
- ArkivE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Underserie009 - Engineering Records
- 003 - Maintenance Facilities
- ObjektEBP0367 - Great Northern Technical Drawing, Bowdoin, Montana, 1918
- ObjektEBP0483 - Great Northern Technical Drawing, Butte, Montana, 1948
- ObjektEBP1250 - Great Northern Technical Drawing, Delta, Washington, 1910
- ObjektEBP1251 - Great Northern Technical Drawing, Delta, Washington, 1910
- ObjektEBP1252 - Great Northern Technical Drawing, Delta, Washington, 1910
- 227 mer...