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
- 2088 more...
- ItemBB016531 - Northern Pacific Engineering Drawing: Repair to Floor Beam, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016532 - Northern Pacific Engineering Drawing: Repairs to Post, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016533 - Northern Pacific Engineering Drawing: Replace Broken Stringer, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016534 - Northern Pacific Engineering Drawing: Detail of Telegraph West Support, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016535 - Northern Pacific Engineering Drawing: Fail Abutment Wing Wall, Bridge 197 - Saint Regis River, Saint Regis, Montana, undated
- ItemBB016536 - Northern Pacific Engineering Drawing: Detail Repair Wing Wall, Bridge 197 - Saint Regis River, Saint Regis, Montana, undated
- ItemBB016537 - Northern Pacific Engineering Drawing: Detail Repair Wing Wall, Bridge 197 - Saint Regis River, Saint Regis, Montana, undated
- ItemBB016538 - Northern Pacific Engineering Drawing: 100 Foot Deck Plate Girder (DPG), Bridge 197 - Saint Regis River, Saint Regis, Montana, undated
- ItemBB016539 - Northern Pacific Engineering Drawing: Proposed Location Change, Bridge 197 - Saint Regis River, Saint Regis, Montana, undated
- 5631 more...