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
- 5330 more...
- ItemBB020425 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 6.1 - Redmond Way, Redmond, Washington, undated
- ItemBB020426 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 6.1 - Redmond Way, Redmond, Washington, undated
- ItemBB020427 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 6.1 - Redmond Way, Redmond, Washington, undated
- ItemBB020428 - Northern Pacific Engineering Drawing: General and Masonry Plan, Bridge 124 - Underpass, South of Ridgefield, Washington, 1928
- ItemBB020429 - Northern Pacific Engineering Drawing: Underpinning - Abutment 1, Bridge 124 - Underpass, South of Ridgefield, Washington, undated
- ItemBB020430 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 124 - Underpass, South of Ridgefield, Washington, undated
- ItemBB020431 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 124 - Underpass, South of Ridgefield, Washington, undated
- ItemBB020432 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 124 - Underpass, South of Ridgefield, Washington, undated
- ItemBB020433 - Northern Pacific Engineering Drawing: Proposed Repairs - Piers, Bridge 124 - Underpass, South of Ridgefield, Washington, 1947
- 2389 more...