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
- 16 more...
- ItemBB014229 - Northern Pacific Engineering Drawing: Diagram Missouri River Bridge, Bridge 206 (159) - Missouri River, West of Logan, Montana, undated
- ItemBB014230 - Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- ItemBB014231 - Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- ItemBB014232 - Northern Pacific Engineering Drawing: General Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- ItemBB014233 - Northern Pacific Engineering Drawing: Piers/Abutments, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- ItemBB014234 - Northern Pacific Engineering Drawing: Repair West Abutment, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- ItemBB014235 - Northern Pacific Engineering Drawing: Deck Plan, Bridge 206 (159) - Missouri River, West of Townsend, Montana, undated
- 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
- 7703 more...