Railroad Archives Online
- FondoE0477 - BNSF Maps, Drawings and Records Collection
- Serie003 - Great Northern Railway Company (U.S.)
- Subserie009 - Engineering Records
- 004 - Maintenance of Way support
- Unidad documental simpleEBP0179 - Great Northern Technical Drawing, Beal, Oregon, 1932
- Unidad documental simpleEBP0430 - Great Northern Maintenance of Way Car Technical Drawing, undated
- Unidad documental simpleEBP0521 - Great Northern Technical Drawing, California Extension, Oregon, 1932
- Unidad documental simpleEBP0522 - Great Northern Technical Drawing, California Extension, Oregon, 1932
- Unidad documental simpleEBP1004 - Great Northern Technical Drawing, Chemult, Oregon, 1932
- Unidad documental simpleEBP1384 - Fence Technical Drawing, 1906
- Unidad documental simpleEBP1385 - Fence Technical Drawing, 1907
- Unidad documental simpleEBP1610 - Great Northern Maintenance of Way Car Technical Drawing, undated
- 9 más...