Railroad Archives Online
- FondD0027 - Timothy Miller Collection
- Sorozat004 - Northern Pacific Railroad Company
- Alsorozat009 - Engineering Records
- 008 - Physical plant drawing
- 007 - Track
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- IratdarabBB031641 - Northern Pacific Engineering Drawing: Pit Details, undated
- IratdarabBB031642 - Northern Pacific Engineering Drawing: Detail - Structural Steel, undated
- IratdarabBB031643 - Northern Pacific Engineering Drawing: Track Plate and General Notes, undated
- IratdarabBB031644 - Northern Pacific Engineering Drawing: Rail Expansion Clamp, undated
- IratdarabBB031645 - Northern Pacific Engineering Drawing: Scale House, Track Scale, undated
- IratdarabBB031646 - Northern Pacific Engineering Drawing: Weighbridge Detail, undated
- IratdarabBB031647 - Northern Pacific Engineering Drawing: Detail Floor Beams - Bill of Material, undated
- IratdarabBB031648 - Northern Pacific Engineering Drawing: Assembly Plan, undated
- IratdarabBB031649 - Northern Pacific Engineering Drawing: Standard Plan of Foundation, undated
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