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
- 492 more...
- ItemBB014743 - Northern Pacific Engineering Drawing: Shop Plan - Diagram, Bridge 182, West of Westfall, Montana, undated
- ItemBB014744 - Northern Pacific Engineering Drawing: Shop Plan - Spans, Bridge 182, West of Westfall, Montana, undated
- ItemBB014745 - Northern Pacific Engineering Drawing: Shop Plan - Spans, Bridge 182, West of Westfall, Montana, undated
- ItemBB014746 - Northern Pacific Engineering Drawing: Shop Plan - Spans, Bridge 182, West of Westfall, Montana, undated
- ItemBB014747 - Northern Pacific Engineering Drawing: Shop Plan - Lateral, etc., Bridge 182, West of Westfall, Montana, undated
- ItemBB014748 - Northern Pacific Engineering Drawing: Shop Plan - Columns, Bridge 182, West of Westfall, Montana, undated
- ItemBB014749 - Northern Pacific Engineering Drawing: Shop Plan - Columns, Bridge 182, West of Westfall, Montana, undated
- ItemBB014750 - Northern Pacific Engineering Drawing: Shop Plan - Columns, Bridge 182, West of Westfall, Montana, undated
- ItemBB014751 - Northern Pacific Engineering Drawing: Shop Plan - Brace/Strut, Bridge 182, West of Westfall, Montana, undated
- 7227 more...