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
- 6575 more...
- ItemBB028539 - Northern Pacific Engineering Drawing: Detail of Floor Beams, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028540 - Northern Pacific Engineering Drawing: Detail of Stringers, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028541 - Northern Pacific Engineering Drawing: Detail Stringer/Machinery Support, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028542 - Northern Pacific Engineering Drawing: Detail of Drums, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028543 - Northern Pacific Engineering Drawing: Detail of Turn Mach, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028544 - Northern Pacific Engineering Drawing: General Plan of Mach, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- 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
- 1144 more...