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
- 6409 more...
- ItemBB028158 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 84 - Toutle River, South of Vader, Washington, undated
- ItemBB028159 - Northern Pacific Engineering Drawing: Replace Stringer/Lateral Plate, Bridge 84 - Toutle River, South of Vader, Washington, undated
- ItemBB028160 - Northern Pacific Engineering Drawing: Replace Damguard Floor Beam, Bridge 84 - Toutle River, South of Vader, Washington, undated
- ItemBB028161 - Northern Pacific Engineering Drawing: Replace Floor Beam Details, Bridge 84 - Toutle River, South of Vader, Washington, undated
- ItemBB028162 - Northern Pacific Engineering Drawing: Deck Survey, Bridge 64 - Badger Creek, West of Quebec, Montana, undated
- ItemBB028163 - Northern Pacific Engineering Drawing: Deck Plan, Bridge 64 - Badger Creek, West of Quebec, Montana, undated
- ItemBB028164 - Northern Pacific Engineering Drawing: Bill of Material/Shim Details, Bridge 64 - Badger Creek, West of Quebec, Montana, undated
- ItemBB028165 - Northern Pacific Engineering Drawing: Safety Walk/Bill of Material, Bridge 64 - Badger Creek, West of Quebec, Montana, undated
- ItemBB028166 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 64 - Badger Creek, West of Quebec, Montana, 1957
- 1310 more...