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
- 2579 more...
- 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
- ItemBB017070 - Northern Pacific Engineering Drawing: Detail of Girder, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017071 - Northern Pacific Engineering Drawing: Detail of Girder, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017072 - Northern Pacific Engineering Drawing: Girder/Brace, etc., Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- ItemBB017073 - Northern Pacific Engineering Drawing: Detail Cross Frame/Lateral/Span, Bridge 114.1 - Missoula River, West of Bonner, Montana, undated
- 5140 more...