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
- 2201 more...
- ItemBB024734 - Great Northern Engineering Drawing: Shop Plan - 50 Foot Deck Plate Girder (DPG), Bridge 5.6, South of Henley, Oregon, undated
- ItemBB024735 - Great Northern Engineering Drawing: Shop Plan - 50 Foot Deck Plate Girder (DPG), Bridge 5.6, South of Henley, Oregon, undated
- ItemBB024736 - Great Northern Engineering Drawing: Shop Plan - 50 Foot Deck Plate Girder (DPG), Bridge 5.6, South of Henley, Oregon, undated
- ItemBB024737 - Great Northern Engineering Drawing: Deck Plan, Bridge 5.6, South of Henley, Oregon, 1956
- ItemBB024738 - Great Northern Engineering Drawing: Renew West Approach, Bridge 5.6, South of Henley, Oregon, 1961
- ItemBB024739 - Great Northern Engineering Drawing: General Plan, Bridge 5.6, South of Henley, Oregon, 1948
- ItemBB024740 - Great Northern Engineering Drawing: Deck Plan, Bridge 5.6, South of Henley, Oregon, 1964
- ItemBB024741 - Great Northern Engineering Drawing: General Plan, Bridge 6.2, South of Henley, Oregon, 1931
- ItemBB024742 - Great Northern Engineering Drawing: Steel Details - 60 Foot Span, Bridge 6.2, South of Henley, Oregon, undated
- 1791 more...