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
- 4076 more...
- ItemBB018708 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 51, West of Craver, Montana, undated
- ItemBB018709 - Northern Pacific Engineering Drawing: Shop Plan - Bottom Chord, Bridge 51, West of Craver, Montana, undated
- ItemBB018710 - Northern Pacific Engineering Drawing: Shop Plan - Holes, Bridge 218 - Clark Fork River, West of Quinns, Montana, undated
- ItemBB018711 - Northern Pacific Engineering Drawing: Proposed Mounted Jacking Truss, Bridge 218 - Clark Fork River, West of Quinns, Montana, undated
- ItemBB018712 - Northern Pacific Engineering Drawing: Repair Stringer Floor Beam/Brace, Bridge 218 - Clark Fork River, West of Quinns, Montana, undated
- ItemBB018713 - Northern Pacific Engineering Drawing: Steel Repairs, Bridge 218 - Clark Fork River, West of Quinns, Montana, undated
- ItemBB018714 - Northern Pacific Engineering Drawing: Steel Details, Bridge 218 - Clark Fork River, West of Quinns, Montana, undated
- ItemBB018715 - Northern Pacific Engineering Drawing: Steel Details/Bill of Material, Bridge 218 - Clark Fork River, West of Quinns, Montana, undated
- ItemBB018716 - Northern Pacific Engineering Drawing: Section/Details, Bridge 218 - Clark Fork River, West of Quinns, Montana, undated
- 3643 more...