Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 2031 more...
- ItemBB024558 - Great Northern Engineering Drawing: Shop Plan - 42 Foot Span, Bridge 34.6 - Boulder Creek, West of Barstow, Washington, undated
- ItemBB024559 - Great Northern Engineering Drawing: Shop Plan - 40 Foot Beam, Bridge 34.6 - Boulder Creek, West of Barstow, Washington, undated
- ItemBB024560 - Great Northern Engineering Drawing: Shop Plan - 40 Foot Beam, Bridge 34.6 - Boulder Creek, West of Barstow, Washington, undated
- ItemBB024561 - Great Northern Engineering Drawing: General Plan, Bridge 5.4, South of Bend, Oregon, undated
- ItemBB024562 - Great Northern Engineering Drawing: General Plan, Bridge 5.4, South of Bend, Oregon, 1931
- ItemBB024563 - Great Northern Engineering Drawing: Shop Plan - Beam Span, Bridge 5.4, South of Bend, Oregon, undated
- ItemBB024564 - Great Northern Engineering Drawing: Shim Plan, Bridge 5.4, South of Bend, Oregon, undated
- ItemBB024566 - Great Northern Engineering Drawing: General Plan, Bridge 4.8 - Highway 169, South of Bend, Oregon, 1931
- ItemBB024567 - Great Northern Engineering Drawing: Design of Steel, Bridge 4.8 - Highway 169, South of Bend, Oregon, undated
- 1961 more...