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
- 2063 more...
- ItemBB016504 - Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016505 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016506 - Northern Pacific Engineering Drawing: Shop Plan - Lateral/Cross Frame, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016507 - Northern Pacific Engineering Drawing: Repair to Floor Beam, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016508 - Northern Pacific Engineering Drawing: Expansion Stringer, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016509 - Northern Pacific Engineering Drawing: Bottom Flange Angle Floor Beam, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016510 - Northern Pacific Engineering Drawing: Detail Telegraph West Support, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016511 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016512 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 209 - Clark Fork River, West of Donlan, Montana, undated
- 5656 more...