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 3007 - Track
- 146 more...
- ItemBB031581 - Northern Pacific Engineering Drawing: Replace Weighbridge with Steel, Track Scale, undated
- ItemBB031641 - Northern Pacific Engineering Drawing: Pit Details, undated
- ItemBB031642 - Northern Pacific Engineering Drawing: Detail - Structural Steel, undated
- ItemBB031643 - Northern Pacific Engineering Drawing: Track Plate and General Notes, undated
- ItemBB031644 - Northern Pacific Engineering Drawing: Rail Expansion Clamp, undated
- ItemBB031645 - Northern Pacific Engineering Drawing: Scale House, Track Scale, undated
- ItemBB031646 - Northern Pacific Engineering Drawing: Weighbridge Detail, undated
- ItemBB031647 - Northern Pacific Engineering Drawing: Detail Floor Beams - Bill of Material, undated
- ItemBB031648 - Northern Pacific Engineering Drawing: Assembly Plan, undated
- 173 more...