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
- 1311 more...
- ItemBB015640 - Northern Pacific Engineering Drawing: Masonry Plan, Bridge 46 - Cloquallum River, West of Oakville, Washington, 1920
- ItemBB015641 - Northern Pacific Engineering Drawing: Deck Plan, Bridge 46 - Cloquallum River, West of Oakville, Washington, undated
- ItemBB015642 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 46 - Cloquallum River, West of Oakville, Washington, 1927
- ItemBB015643 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 46 - Cloquallum River, West of Oakville, Washington, undated
- ItemBB015644 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 46 - Cloquallum River, West of Oakville, Washington, 1937
- ItemBB015645 - Northern Pacific Engineering Drawing: Standard Plan Through Plate Girder, Bridge 46 - Cloquallum River, West of Oakville, Washington, undated
- ItemBB015646 - Northern Pacific Engineering Drawing: Standard Plan Through Plate Girder, Bridge 46 - Cloquallum River, West of Oakville, Washington, undated
- ItemBB015647 - Northern Pacific Engineering Drawing: Standard Plan Floor Beam/Stringer, Bridge 46 - Cloquallum River, West of Oakville, Washington, undated
- ItemBB015648 - Northern Pacific Engineering Drawing: Standard Plan Diagonal/Bearings, Bridge 46 - Cloquallum River, West of Oakville, Washington, undated
- 6408 more...