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
- 2943 more...
- ItemBB017474 - Northern Pacific Engineering Drawing: Bearings, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017475 - Northern Pacific Engineering Drawing: Shop Plan - Erection Plan, Bridge 9.1 - Highway #1, South of Lakeview, Washington, undated
- ItemBB017476 - Northern Pacific Engineering Drawing: Shop Plan - Truss Vertical, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017477 - Northern Pacific Engineering Drawing: Shop Plan - Truss Diagonal, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017478 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Lateral Brace, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017479 - Northern Pacific Engineering Drawing: Shop Plan - Top Lateral Brace, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017480 - Northern Pacific Engineering Drawing: Shop Plan - Top and Bottom Struts, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017481 - Northern Pacific Engineering Drawing: Shop Plan - Cross Frame and Stringers, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017482 - Northern Pacific Engineering Drawing: Shop Plan - Bent Diagonal, Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- 4776 more...