Railroad Archives Online
- FondsE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Teilserie009 - 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
- ObjektEBP1253 - Great Northern Technical Drawing, Delta, Washington, 1910
- ObjektEBP1254 - Great Northern Technical Drawing, Delta, Washington, 1910
- ObjektEBP1255 - Great Northern Technical Drawing, Delta, Washington, 1910
- ObjektEBP1256 - Great Northern Technical Drawing, Delta, Washington, 1910
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