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
- 6232 more...
- ItemBB027975 - Northern Pacific Engineering Drawing: Shifting Details, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB027976 - Northern Pacific Engineering Drawing: Bevel Gears, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB027977 - Northern Pacific Engineering Drawing: Gears, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB027978 - Northern Pacific Engineering Drawing: General Plans, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB027979 - Northern Pacific Engineering Drawing: General Plans, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB027980 - Northern Pacific Engineering Drawing: Standard Coupling, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB027981 - Northern Pacific Engineering Drawing: Shop Plan - Swing Brace, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB027982 - Northern Pacific Engineering Drawing: Detail of Spur Gear, Bridge 3.2 (72.2) - Hoquiam River, Washington, undated
- ItemBB027987 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 62, West of Phosphate, Montana, 1965
- 1487 more...