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
- 23 more...
- ItemBB014236 - Northern Pacific Engineering Drawing: Walk Details, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- ItemBB014237 - Northern Pacific Engineering Drawing: Detail Repair Through Truss, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- ItemBB014238 - Northern Pacific Engineering Drawing: Support for Cross Arm, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- ItemBB014239 - Northern Pacific Engineering Drawing: General Plan Rebuild Bridge, Bridge 71, West of Greycliff, Montana, undated
- ItemBB014240 - Northern Pacific Engineering Drawing: Precast Concrete Cap, Bridge 71, West of Greycliff, Montana, undated
- ItemBB014241 - Northern Pacific Engineering Drawing: Precast Concrete Erection, Bridge 71, West of Greycliff, Montana, undated
- ItemBB014242 - Northern Pacific Engineering Drawing: Deck/Walk Details, Bridge 71, West of Greycliff, Montana, undated
- ItemBB014243 - Northern Pacific Engineering Drawing: Change In Masonry, Bridge 184, Lombard, Montana, undated
- ItemBB014244 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 184, Lombard, Montana, 1939
- 7696 more...