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
- 4312 more...
- ItemBB018967 - Northern Pacific Engineering Drawing: Sketch of Abutments, Bridge 12 (12.4) - Silver Bow Creek, North of Durant, Montana, undated
- ItemBB018968 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 12 (12.4) - Silver Bow Creek, North of Durant, Montana, 1952
- ItemBB018969 - Northern Pacific Engineering Drawing: Shop Plan - Erection, etc., Bridge 12 (12.4) - Silver Bow Creek, North of Durant, Montana, undated
- ItemBB018970 - Northern Pacific Engineering Drawing: Shop Plan - Girder/Lateral, Bridge 12 (12.4) - Silver Bow Creek, North of Durant, Montana, undated
- ItemBB018971 - Northern Pacific Engineering Drawing: Shop Plan - Casting, etc., Bridge 12 (12.4) - Silver Bow Creek, North of Durant, Montana, undated
- ItemBB018972 - Northern Pacific Engineering Drawing: General Plan, Bridge 165 - Fish Creek, West of Cyr, Montana, undated
- ItemBB018973 - Northern Pacific Engineering Drawing: Erection Diagram, Bridge 165 - Fish Creek, West of Cyr, Montana, undated
- ItemBB018974 - Northern Pacific Engineering Drawing: 68 Foot Girder, Bridge 165 - Fish Creek, West of Cyr, Montana, undated
- ItemBB018975 - Northern Pacific Engineering Drawing: 100 Foot Girder, Bridge 165 - Fish Creek, West of Cyr, Montana, undated
- 3407 more...