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
- 7508 more...
- ItemBB034265 - Northern Pacific Engineering Drawing: Shop Plan - Sheave Girder Section, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- ItemBB034266 - Northern Pacific Engineering Drawing: Shop Plan - Sheave Girder Section, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- ItemBB034267 - Northern Pacific Engineering Drawing: Shop Plan - Through Plate Girder, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- ItemBB034268 - Northern Pacific Engineering Drawing: Shop Plan - Through Plate Girder, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- ItemBB034269 - Northern Pacific Engineering Drawing: Shop Plan - Through Plate Girder, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- ItemBB034270 - Northern Pacific Engineering Drawing: Shop Plan - Pins - Shoes, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- ItemBB034271 - Northern Pacific Engineering Drawing: Shop Plan - Detail - Embedded Struts, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- ItemBB034272 - Northern Pacific Engineering Drawing: Shop Plan - Casting Details, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- ItemBB034273 - Northern Pacific Engineering Drawing: Shop Plan - Casting Details, Bridge 3 - Snake River, East of Ainsworth Junction, Washington, undated
- 211 more...