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
- 5214 more...
- ItemBB020228 - Northern Pacific Engineering Drawing: Detail - Plate End Brackets, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB020229 - Northern Pacific Engineering Drawing: Proposed Platform - Semaphore, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB020230 - Northern Pacific Engineering Drawing: Replace - Gusset Plates, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, 1962
- ItemBB020231 - Northern Pacific Engineering Drawing: Steel Repairs, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB020235 - Northern Pacific Engineering Drawing: Bearing Blocks - Raise Bearing, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB020236 - Northern Pacific Engineering Drawing: Telegraph Posts, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB020237 - Northern Pacific Engineering Drawing: Shop Plan - Telegraph Posts, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB020238 - Northern Pacific Engineering Drawing: Layout Map, Bridge 23.1 - Underpass, South of Ketron, Washington, undated
- ItemBB020239 - Northern Pacific Engineering Drawing: Shoofly, Bridge 23.1 - Underpass, South of Ketron, Washington, undated
- 2505 more...