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
- 253 more...
- ItemBB014477 - Northern Pacific Engineering Drawing: Shop Plan - Girder Details, Bridge 184 - 16 - Mile Creek, West of Clarkston, Montana, undated
- ItemBB014478 - Northern Pacific Engineering Drawing: Shop Plan - Girder Details, Bridge 184 - 16 - Mile Creek, West of Clarkston, Montana, undated
- ItemBB014479 - Northern Pacific Engineering Drawing: Shop Plan - Full Beam Bracket, Bridge 184 - 16 - Mile Creek, West of Clarkston, Montana, undated
- ItemBB014480 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam and Stringer, Bridge 184 - 16 - Mile Creek, West of Clarkston, Montana, undated
- ItemBB014481 - Northern Pacific Engineering Drawing: General Plan, Bridge 7 - Marent Gulch, West of Nagos, Montana, 1944
- ItemBB014482 - Northern Pacific Engineering Drawing: General Details Reinforcement Towers, Bridge 7 - Marent Gulch, West of Nagos, Montana, undated
- ItemBB014483 - Northern Pacific Engineering Drawing: General Details Reinforcement Towers, Bridge 7 - Marent Gulch, West of Nagos, Montana, undated
- ItemBB014484 - Northern Pacific Engineering Drawing: General Details Reinforcement Towers, Bridge 7 - Marent Gulch, West of Nagos, Montana, undated
- ItemBB014485 - Northern Pacific Engineering Drawing: General Details Reinforce, Bridge 7 - Marent Gulch, West of Nagos, Montana, undated
- 7466 more...