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
- 6561 more...
- ItemBB028525 - Northern Pacific Engineering Drawing: Floor Plan, Bridge 63 (81), West of Highview, Montana, undated
- ItemBB028526 - Northern Pacific Engineering Drawing: Floor Plan, Bridge 63 (81), West of Highview, Montana, undated
- ItemBB028527 - Northern Pacific Engineering Drawing: Floor Plan, Bridge 63 (81), West of Highview, Montana, undated
- ItemBB028528 - Northern Pacific Engineering Drawing: Proposed Steel Shims, Bridge 63 (81), West of Highview, Montana, undated
- ItemBB028529 - Northern Pacific Engineering Drawing: General Plan/Erection, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028530 - Northern Pacific Engineering Drawing: Detail End Posts/Diagonal, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028531 - Northern Pacific Engineering Drawing: Detail of Top Chord, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028532 - Northern Pacific Engineering Drawing: Bottom Chord/Collar Stringer, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028533 - Northern Pacific Engineering Drawing: Detail of Bottom Chord, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- 1158 more...