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
- 6589 more...
- ItemBB028553 - Northern Pacific Engineering Drawing: General Plan Rail Lk, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028554 - Northern Pacific Engineering Drawing: Details of Rail Lock, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028555 - Northern Pacific Engineering Drawing: Stress Sheet, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028556 - Northern Pacific Engineering Drawing: Shop Plan - Plate Girder Spans, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, undated
- ItemBB028557 - Northern Pacific Engineering Drawing: Location Piers/Bearings, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB028558 - Northern Pacific Engineering Drawing: Strain Sheet, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB028559 - Northern Pacific Engineering Drawing: Erection Diagram, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB028560 - Northern Pacific Engineering Drawing: Detail of Drums, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB028561 - Northern Pacific Engineering Drawing: Detail of Drums, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- 1130 more...