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
- 4777 more...
- ItemBB019604 - Northern Pacific Engineering Drawing: Revision East Abutment/Wings, Bridge 71 (127), South of Ritzville, Washington, undated
- ItemBB019605 - Northern Pacific Engineering Drawing: Revision West Abutment/Wings, Bridge 71 (127), South of Ritzville, Washington, undated
- ItemBB019606 - Northern Pacific Engineering Drawing: Reconstruct Abutments, Bridge 71 (127), South of Ritzville, Washington, undated
- ItemBB019607 - Northern Pacific Engineering Drawing: Pier Top Renewal, Bridge 71 (127), South of Ritzville, Washington, undated
- ItemBB019609 - Northern Pacific Engineering Drawing: Pier Reinforcing, Bridge 71 (127), South of Ritzville, Washington, undated
- ItemBB019610 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 71 (127), South of Ritzville, Washington, 1952
- ItemBB019611 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 71 (127), South of Ritzville, Washington, 1939
- ItemBB019612 - Northern Pacific Engineering Drawing: Lateral Bracing, Bridge 71 (127), South of Ritzville, Washington, undated
- ItemBB019651 - Northern Pacific Engineering Drawing: Plan Extension to Abutment, Bridge 14 (22) - County Road, West of Algoma, Idaho, undated
- 2942 more...