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
- 2575 more...
- ItemBB017061 - Northern Pacific Engineering Drawing: Stress Sheet, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017062 - Northern Pacific Engineering Drawing: Skew Detail Half Truss, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017063 - Northern Pacific Engineering Drawing: Skew Detail Half Truss, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017064 - Northern Pacific Engineering Drawing: Skew Detail Half Truss, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017065 - Northern Pacific Engineering Drawing: Half Intermediate/End Section, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017066 - Northern Pacific Engineering Drawing: Detail of Bearings, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017067 - Northern Pacific Engineering Drawing: Detail of Girder Span, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017068 - Northern Pacific Engineering Drawing: Detail of Girder Span, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017069 - Northern Pacific Engineering Drawing: Detail of Girder, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- 5144 more...