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
- 6581 more...
- ItemBB028545 - Northern Pacific Engineering Drawing: Detail of Boxes/Shafts/Gears, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028546 - Northern Pacific Engineering Drawing: Detail of Beam Power House, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028547 - Northern Pacific Engineering Drawing: Detail of Beam Power House, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028548 - Northern Pacific Engineering Drawing: Detail of Turntable, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028549 - Northern Pacific Engineering Drawing: Detail of Rack/Track, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028550 - Northern Pacific Engineering Drawing: Detail of End Lift, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028551 - Northern Pacific Engineering Drawing: Detail of End Lift, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028552 - Northern Pacific Engineering Drawing: Detail of End Lift, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028553 - Northern Pacific Engineering Drawing: General Plan Rail Lk, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- 1138 more...