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
- 4744 more...
- ItemBB019567 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Steel, Bridge 23 - Ellingson Road, South of Auburn, Washington, undated
- ItemBB019568 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Steel, Bridge 23 - Ellingson Road, South of Auburn, Washington, undated
- ItemBB019569 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Steel, Bridge 23 - Ellingson Road, South of Auburn, Washington, undated
- ItemBB019570 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous Steel, Bridge 23 - Ellingson Road, South of Auburn, Washington, undated
- ItemBB019571 - Northern Pacific Engineering Drawing: Proposed Abutment, Bridge 94, West of Nimrod, Montana, 1953
- ItemBB019572 - Northern Pacific Engineering Drawing: Proposed 20 Foot Beam Span, Bridge 94, West of Nimrod, Montana, undated
- ItemBB019573 - Northern Pacific Engineering Drawing: Shop Plan - Beam Sect, Bridge 94, West of Nimrod, Montana, undated
- ItemBB019575 - Northern Pacific Engineering Drawing: Bill of Material/Miscellaneous Details, Bridge 202 - Deep Creek, West of Toston, Montana, undated
- ItemBB019576 - Northern Pacific Engineering Drawing: Plan/Detail Abutments, Bridge 202 - Deep Creek, West of Toston, Montana, undated
- 2975 more...