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
- 2689 more...
- ItemBB017175 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Lateral, Bridge 113.1 - Big Blackfoot River, West of Bonner, Montana, undated
- ItemBB017176 - Northern Pacific Engineering Drawing: Shop Plan - Bearings, Bridge 113.1 - Big Blackfoot River, West of Bonner, Montana, undated
- ItemBB017177 - Northern Pacific Engineering Drawing: Shop Plan - Plates, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017178 - Northern Pacific Engineering Drawing: Shop Plan - Plates, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017179 - Northern Pacific Engineering Drawing: Shop Plan - Plates, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017180 - Northern Pacific Engineering Drawing: Shop Plan - Drain System, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017181 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017182 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017183 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- 5030 more...