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
- 3017 more...
- ItemBB017558 - Northern Pacific Engineering Drawing: Shop Plan - Beam Span, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB017559 - Northern Pacific Engineering Drawing: Shop Plan - Bearing Assembly, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB017560 - Northern Pacific Engineering Drawing: Repair Pier 81, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, 1954
- ItemBB017561 - Northern Pacific Engineering Drawing: General Plan, Bridge 115 - Highway Overpass, Livingston, Montana, 1948
- ItemBB017562 - Northern Pacific Engineering Drawing: Drainage Plan, Bridge 115 - Highway Overpass, Livingston, Montana, undated
- ItemBB017563 - Northern Pacific Engineering Drawing: Retaining Wall and Walk, Bridge 115 - Highway Overpass, Livingston, Montana, undated
- ItemBB017564 - Northern Pacific Engineering Drawing: West Abutment, Bridge 115 - Highway Overpass, Livingston, Montana, undated
- ItemBB017565 - Northern Pacific Engineering Drawing: West Abutment, Bridge 115 - Highway Overpass, Livingston, Montana, undated
- ItemBB017566 - Northern Pacific Engineering Drawing: East Abutment, Bridge 115 - Highway Overpass, Livingston, Montana, undated
- 4702 more...