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
- 4381 more...
- ItemBB019059 - Northern Pacific Engineering Drawing: Shop Plan - Top Lateral, Bridge 51, West of Craver, Montana, undated
- ItemBB019060 - Northern Pacific Engineering Drawing: Shop Plan - Vertical, Bridge 51, West of Craver, Montana, undated
- ItemBB019061 - Northern Pacific Engineering Drawing: Shop Plan - Bracket/Portal, Bridge 51, West of Craver, Montana, undated
- ItemBB019062 - Northern Pacific Engineering Drawing: Shop Plan - Shoe, etc., Bridge 51, West of Craver, Montana, undated
- ItemBB019063 - Northern Pacific Engineering Drawing: Diagonal/Bolts, Bridge 51, West of Craver, Montana, undated
- ItemBB019064 - Northern Pacific Engineering Drawing: Remodel Bridge, Bridge 24 - Sammamish River, Woodinville, Washington, 1962
- ItemBB019065 - Northern Pacific Engineering Drawing: Remodel Bridge, Bridge 24 - Sammamish River, Woodinville, Washington, undated
- ItemBB019066 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 24 - Sammamish River, Woodinville, Washington, undated
- ItemBB019067 - Northern Pacific Engineering Drawing: Tie Framing Plan, Bridge 24 - Sammamish River, Woodinville, Washington, undated
- 3338 more...