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
- 7357 more...
- ItemBB033909 - Northern Pacific Engineering Drawing: Abutments 1 and 4, Bridge 91 - Underpass, South of Castle Rock, Washington, undated
- ItemBB033910 - Northern Pacific Engineering Drawing: Piers 2 and 3, Bridge 91 - Underpass, South of Castle Rock, Washington, undated
- ItemBB034034 - Northern Pacific Engineering Drawing: Precast Bent and Abutment, Bridge 82, South of Paha, Washington, undated
- ItemBB034035 - Northern Pacific Engineering Drawing: Walk Details and Bill of Material, Bridge 82, South of Paha, Washington, undated
- ItemBB034036 - Northern Pacific Engineering Drawing: 28 Foot Prestressed Concrete, Bridge 82, South of Paha, Washington, undated
- ItemBB034038 - Northern Pacific Engineering Drawing: Precast Bent and Abutment, Bridge 129 - Esquatzel Coulee, Eltopia, Washington, undated
- ItemBB034039 - Northern Pacific Engineering Drawing: Walk Details and Bill of Material, Bridge 129 - Esquatzel Coulee, Eltopia, Washington, undated
- ItemBB034040 - Northern Pacific Engineering Drawing: 30 Foot Prestressed Concrete, Bridge 129 - Esquatzel Coulee, Eltopia, Washington, undated
- ItemBB034042 - Northern Pacific Engineering Drawing: Precast Bent and Abutment, Bridge 108, West of Cunningham, Washington, undated
- 362 more...