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
- 2211 more...
- ItemBB024744 - Great Northern Engineering Drawing: Shop Plan - 60 Foot Deck Plate Girder (DPG), Bridge 6.2, South of Henley, Oregon, undated
- ItemBB024745 - Great Northern Engineering Drawing: General Plan, Bridge 6.2, South of Henley, Oregon, undated
- ItemBB024746 - Great Northern Engineering Drawing: Deck Plan, Bridge 6.2, South of Henley, Oregon, 1963
- ItemBB024747 - Great Northern Engineering Drawing: General Plan, Bridge 6.2, South of Henley, Oregon, 1964
- ItemBB024748 - Great Northern Engineering Drawing: Bill of Material, Bridge 6.2, South of Henley, Oregon, undated
- ItemBB024749 - Great Northern Engineering Drawing: General Plan, Bridge 6.2, South of Henley, Oregon, undated
- ItemBB024750 - Great Northern Engineering Drawing: Bill of Material, Bridge 6.2, South of Henley, Oregon, 1965
- ItemBB024751 - Great Northern Engineering Drawing: General Plan, Bridge 8.8, South of Dehlinger, Oregon, 1931
- ItemBB024752 - Great Northern Engineering Drawing: General Plan and Masonry Plan, Bridge 8.8, South of Dehlinger, Oregon, 1945
- 1781 more...