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
- 6337 more...
- ItemBB028086 - Northern Pacific Engineering Drawing: Reinforcement With Girder 1 Center, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- ItemBB028087 - Northern Pacific Engineering Drawing: Details, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- ItemBB028088 - Northern Pacific Engineering Drawing: Cutting Layout, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- ItemBB028089 - Northern Pacific Engineering Drawing: Repair to Lateral Brace, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- ItemBB028090 - Northern Pacific Engineering Drawing: Repair to Lateral Brace, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- ItemBB028091 - Northern Pacific Engineering Drawing: Replace Timber Piers, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028092 - Northern Pacific Engineering Drawing: Detail of Abutments, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028093 - Northern Pacific Engineering Drawing: Diagonal Pile Driving, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028094 - Northern Pacific Engineering Drawing: General Plan/Elevation/Map, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- 1382 more...