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
- 94 more...
- ItemBB014313 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 79 (112) - Big Boulder River, West of Greycliff, Montana, undated
- ItemBB014314 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 79 (112) - Big Boulder River, West of Greycliff, Montana, undated
- ItemBB014315 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 79 (112) - Big Boulder River, West of Greycliff, Montana, undated
- ItemBB014316 - Northern Pacific Engineering Drawing: General Plan, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- ItemBB014317 - Northern Pacific Engineering Drawing: General Plan, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, 1896
- ItemBB014318 - Northern Pacific Engineering Drawing: General Plan, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- ItemBB014319 - Northern Pacific Engineering Drawing: Pier/Abutment, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- ItemBB014320 - Northern Pacific Engineering Drawing: Repair Pier/Layout Bridge, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- ItemBB014321 - Northern Pacific Engineering Drawing: Repair to Pier Number 4, Bridge 155 (200) - West Gallatin River, West of Belgrade, Montana, undated
- 7625 more...