Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 5273 more...
- ItemBB020367 - Northern Pacific Engineering Drawing: General Plan 70 Foot Lift Bridge, Bridge 9 - Des Chutes River, West of Olympia, Washington, 1927
- ItemBB020368 - Northern Pacific Engineering Drawing: Masonry Plan - 70 Foot Lift, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB020369 - Northern Pacific Engineering Drawing: 70 Foot Through Plate Girder - Lift Bridge, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB020370 - Northern Pacific Engineering Drawing: Tower Span - 70 Foot Lift, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB020371 - Northern Pacific Engineering Drawing: Guides, Bearings and Machinery, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB020372 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB020373 - Northern Pacific Engineering Drawing: Rail Lock - Air Buffer, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB020374 - Northern Pacific Engineering Drawing: Navigation Light and Plan of Walk, Bridge 9 - Des Chutes River, West of Olympia, Washington, undated
- ItemBB020375 - Northern Pacific Engineering Drawing: Proposed Bridge, Bridge 23.2 - Bitter Root River, Montana, undated
- 2446 more...