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
- 1995 more...
- ItemBB016435 - Northern Pacific Engineering Drawing: 160 Foot Span, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016436 - Northern Pacific Engineering Drawing: 160 Foot Span, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016437 - Northern Pacific Engineering Drawing: End/Intermediate Bracing, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016438 - Northern Pacific Engineering Drawing: Approach Spans, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016439 - Northern Pacific Engineering Drawing: Detail of Approach Spans, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016440 - Northern Pacific Engineering Drawing: General Plan/Pier/Abutment, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016441 - Northern Pacific Engineering Drawing: Details of Piers, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016442 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB016443 - Northern Pacific Engineering Drawing: Centerline of Strut/Posts, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- 5724 more...