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
- 3649 more...
- ItemBB018251 - Northern Pacific Engineering Drawing: General Plan 4 Post Bridge, Bridge 0.10 - Cedar Street, Spokane, Washington, undated
- ItemBB018252 - Northern Pacific Engineering Drawing: Plan of Lights, Bridge 0.10 - Cedar Street, Spokane, Washington, undated
- ItemBB018253 - Northern Pacific Engineering Drawing: Concrete Details, Bridge 55 - Trout Creek, West of Trout Creek, Montana, undated
- ItemBB018255 - Northern Pacific Engineering Drawing: Steel Details, Bridge 55 - Trout Creek, West of Trout Creek, Montana, undated
- ItemBB018256 - Northern Pacific Engineering Drawing: General Elevation/Plan, Bridge 55 - Trout Creek, West of Trout Creek, Montana, 1958
- ItemBB018257 - Northern Pacific Engineering Drawing: Slope Protection, Bridge 55 - Trout Creek, West of Trout Creek, Montana, undated
- ItemBB018258 - Northern Pacific Engineering Drawing: Pier Bases, Bridge 55 - Trout Creek, West of Trout Creek, Montana, undated
- ItemBB018259 - Northern Pacific Engineering Drawing: Pier Shafts, Bridge 55 - Trout Creek, West of Trout Creek, Montana, undated
- ItemBB018260 - Northern Pacific Engineering Drawing: Bearing Details, Bridge 55 - Trout Creek, West of Trout Creek, Montana, undated
- 4070 more...