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
- 2017 more...
- ItemBB016458 - Northern Pacific Engineering Drawing: Safety Walk, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016459 - Northern Pacific Engineering Drawing: Stress Sheet, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016460 - Northern Pacific Engineering Drawing: Stress Sheet, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016461 - Northern Pacific Engineering Drawing: Stress Sheet, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016462 - Northern Pacific Engineering Drawing: Shop Plan - Column/Bents, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016463 - Northern Pacific Engineering Drawing: Shop Plan - Bent Brace, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016464 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016465 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016466 - Northern Pacific Engineering Drawing: Shop Plan - Lateral Brace, Bridge 208 - Clark Fork River, West of Donlan, Montana, undated
- 5702 more...