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
- 104 more...
- ItemBB014324 - Northern Pacific Engineering Drawing: Bill of Material And Shim Detail, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- ItemBB014325 - Northern Pacific Engineering Drawing: Spans, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- ItemBB014326 - Northern Pacific Engineering Drawing: Bearings, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- ItemBB014327 - Northern Pacific Engineering Drawing: Steel Repairs, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- ItemBB014328 - Northern Pacific Engineering Drawing: General Plans, Bridge 122.2 - Grant Creek, West of Missoula, Montana, 1899
- ItemBB014329 - Northern Pacific Engineering Drawing: Extension of Masonry, Bridge 122.2 - Grant Creek, West of Missoula, Montana, 1918
- ItemBB014330 - Northern Pacific Engineering Drawing: Change In Abutment/Pier, Bridge 122.2 - Grant Creek, West of Missoula, Montana, undated
- ItemBB014332 - Northern Pacific Engineering Drawing: Lateral Bracing, Bridge 122.2 - Grant Creek, West of Missoula, Montana, undated
- ItemBB014333 - Northern Pacific Engineering Drawing: General Plan/Masonry Foundation, Bridge 31 - Jocko River, West of Ravalli, Montana, 1899
- 7615 more...