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
- 4 more...
- ItemBB014216 - Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014217 - Northern Pacific Engineering Drawing: Piers/Abutments, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014218 - Northern Pacific Engineering Drawing: Piers/Abutments, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014219 - Northern Pacific Engineering Drawing: Detail Support Stringer Pier, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014221 - Northern Pacific Engineering Drawing: Detail Brackets for Walk, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014222 - Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014223 - Northern Pacific Engineering Drawing: Detail of Skew Ends, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014224 - Northern Pacific Engineering Drawing: Detail of Skew Ends, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014225 - Northern Pacific Engineering Drawing: Detail of Lateral Brace, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- 7715 more...