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
- 2769 more...
- ItemBB017256 - Northern Pacific Engineering Drawing: Bents and 50 Foot Deck Plate Girder (DPG), Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, undated
- ItemBB017257 - Northern Pacific Engineering Drawing: Standard 50 Foot Deck Plate Girder (DPG), Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, 1937
- ItemBB017258 - Northern Pacific Engineering Drawing: Standard 50 Foot Deck Plate Girder (DPG), Bridge 36 - Clark Fork River, West of Thompson Falls, Montana, 1937
- ItemBB017264 - Northern Pacific Engineering Drawing: Plan and Profile of Map, Bridge 119 - Harris Street, Missoula, Montana, undated
- ItemBB017265 - Northern Pacific Engineering Drawing: Bridge Plans and Quantities, Bridge 119 - Harris Street, Missoula, Montana, undated
- ItemBB017266 - Northern Pacific Engineering Drawing: Street and Sidewalk and Quantities, Bridge 119 - Harris Street, Missoula, Montana, undated
- ItemBB017267 - Northern Pacific Engineering Drawing: General Layout, Bridge 119 - Harris Street, Missoula, Montana, undated
- ItemBB017268 - Northern Pacific Engineering Drawing: General Plan, Bridge 119 - Harris Street, Missoula, Montana, undated
- ItemBB017269 - Northern Pacific Engineering Drawing: General Details - Structure, Bridge 119 - Harris Street, Missoula, Montana, undated
- 4950 more...