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
- 594 more...
- ItemBB014853 - Northern Pacific Engineering Drawing: Detail of Floor System, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014854 - Northern Pacific Engineering Drawing: Steel Repairs, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014855 - Northern Pacific Engineering Drawing: Steel Repairs, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014856 - Northern Pacific Engineering Drawing: Steel Details, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014857 - Northern Pacific Engineering Drawing: Steel Details, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014858 - Northern Pacific Engineering Drawing: Steel Details, Bridge 3 - Latah Creek, West of Empire, Washington, undated
- ItemBB014859 - Northern Pacific Engineering Drawing: Detail Timber Deck Span, Bridge 59 - Rock Creek, South of Grantsdale, Montana, 1941
- ItemBB014860 - Northern Pacific Engineering Drawing: General/Masonry Plan, Bridge 107 - Pack River, West of Hope, Montana, 1920
- ItemBB014862 - Northern Pacific Engineering Drawing: Walk Details, Bridge 107 - Pack River, West of Hope, Montana, undated
- 7125 more...