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
- 761 more...
- ItemBB021829 - Great Northern Engineering Drawing: Shop Plan - Top Chord U6 - U8, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- ItemBB021830 - Great Northern Engineering Drawing: Shop Plan - Top Chord U8 - U10, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- ItemBB021831 - Great Northern Engineering Drawing: Shop Plan - Top Chord U10 - U12, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- ItemBB021832 - Great Northern Engineering Drawing: Shop Plan - Bottom Chord L7, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- ItemBB021833 - Great Northern Engineering Drawing: Shop Plan - Bottom Chord L7, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- ItemBB021834 - Great Northern Engineering Drawing: Shop Plan - Bottom Chord, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- ItemBB021835 - Great Northern Engineering Drawing: Shop Plan - Bottom Chord, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- ItemBB021836 - Great Northern Engineering Drawing: Shop Plan - Bottom Chord L6, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- ItemBB021837 - Great Northern Engineering Drawing: Shop Plan - Posts, Bridge 4.8 - Columbia River, West of Kettle Falls, Washington, undated
- 3231 more...