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
- 4772 more...
- 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
- ItemBB019605 - Northern Pacific Engineering Drawing: Revision West Abutment/Wings, Bridge 71 (127), South of Ritzville, Washington, undated
- ItemBB019606 - Northern Pacific Engineering Drawing: Reconstruct Abutments, Bridge 71 (127), South of Ritzville, Washington, undated
- ItemBB019607 - Northern Pacific Engineering Drawing: Pier Top Renewal, Bridge 71 (127), South of Ritzville, Washington, undated
- 2947 more...