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
- 4769 more...
- ItemBB019596 - Northern Pacific Engineering Drawing: Field Erection Detail, Bridge 157, West of Belgrade, Montana, undated
- ItemBB019597 - Northern Pacific Engineering Drawing: Reconstruction/General Plan, Bridge 157.1 - Camp Creek, West of Belgrade, Montana, 1968
- ItemBB019598 - Northern Pacific Engineering Drawing: Reconstruction/Abutments, Bridge 157.1 - Camp Creek, West of Belgrade, Montana, undated
- ItemBB019599 - Northern Pacific Engineering Drawing: Reconstruction/Piers/Bridge, Bridge 157.1 - Camp Creek, West of Belgrade, Montana, undated
- ItemBB019600 - Northern Pacific Engineering Drawing: Reconstruction/Steel End Span, Bridge 157.1 - Camp Creek, West of Belgrade, Montana, undated
- ItemBB019601 - Northern Pacific Engineering Drawing: Reconstruction/Timber Deck, Bridge 157.1 - Camp Creek, West of Belgrade, Montana, undated
- ItemBB019602 - Northern Pacific Engineering Drawing: Lateral Bracing, Bridge 157.1 - Camp Creek, West of Belgrade, Montana, undated
- ItemBB019603 - Northern Pacific Engineering Drawing: Plan Pier/Abutments, Bridge 71 (127), South of Ritzville, Washington, 1900
- ItemBB019604 - Northern Pacific Engineering Drawing: Revision East Abutment/Wings, Bridge 71 (127), South of Ritzville, Washington, undated
- 2950 more...