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
- 4555 more...
- ItemBB019240 - Northern Pacific Engineering Drawing: Deck Pin - Span, Bridge 3, West of Empire, Washington, undated
- ItemBB019241 - Northern Pacific Engineering Drawing: General Plan, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, 1960
- ItemBB019242 - Northern Pacific Engineering Drawing: 27 Foot High Pier, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB019243 - Northern Pacific Engineering Drawing: 29 Foot High Pier, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB019244 - Northern Pacific Engineering Drawing: 31 Foot High Pier, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB019245 - Northern Pacific Engineering Drawing: Beam Span/Bearings, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB019246 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, 1960
- ItemBB019247 - Northern Pacific Engineering Drawing: Inspection Handrailing, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB019248 - Northern Pacific Engineering Drawing: 50 Foot Span Deck Plate Girder (DPG), Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- 3164 more...