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
- 2292 more...
- ItemBB024842 - Great Northern Engineering Drawing: General Plan, Canal bridge, South of Dalton, California, undated
- ItemBB024843 - Great Northern Engineering Drawing: Shop Plan - 54 Foot Girder, Canal bridge, South of Dalton, California, undated
- ItemBB024844 - Great Northern Engineering Drawing: General Plan, Bridge 3.2, South of South Klamath, Oregon, 1954
- ItemBB024845 - Great Northern Engineering Drawing: Shop Details - 54 Foot Deck Plate Girder (DPG), Bridge 3.2, South of South Klamath, Oregon, undated
- ItemBB024846 - Great Northern Engineering Drawing: General Plan, Bridge 18.6, South of Stonebridge, Oregon, 1943
- ItemBB024847 - Great Northern Engineering Drawing: General Plan, Bridge 18.8, South of Stonebridge, Oregon, 1940
- ItemBB024848 - Great Northern Engineering Drawing: General Plan, Bridge 10.3, South of Dehlinger, Oregon, 1931
- ItemBB024849 - Great Northern Engineering Drawing: General Plan, Bridge 8.7 - Private Underpass, South of Dehlinger, Oregon, 1931
- ItemBB024850 - Great Northern Engineering Drawing: General Plan, Bridge 13.3 - Cattle Pass, South of Dehlinger, Oregon, 1931
- 1700 more...