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
- 2083 more...
- ItemBB016526 - Northern Pacific Engineering Drawing: Detail of Double Bents, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016527 - Northern Pacific Engineering Drawing: Detail Stringer End Posts, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016528 - Northern Pacific Engineering Drawing: Repair to End Posts, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016529 - Northern Pacific Engineering Drawing: Detail Replace Fixed Shoe, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016530 - Northern Pacific Engineering Drawing: Detail Stiffener End Post, Bridge 210 - Clark Fork River, West of Donlan, Montana, undated
- 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
- 5636 more...