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
- 1861 more...
- ItemBB016300 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 4 - Walla Walla River, Zangar Junction, Washington, 1951
- ItemBB016301 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 4 - Walla Walla River, Zangar Junction, Washington, 1933
- ItemBB016302 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 4 - Walla Walla River, Zangar Junction, Washington, 1933
- ItemBB016303 - Northern Pacific Engineering Drawing: General Plan, Bridge 4 - Walla Walla River, Zangar Junction, Washington, 1902
- ItemBB016304 - Northern Pacific Engineering Drawing: North Abutment 1, Bridge 4 - Walla Walla River, Zangar Junction, Washington, undated
- ItemBB016305 - Northern Pacific Engineering Drawing: Pier Number 2, Bridge 4 - Walla Walla River, Zangar Junction, Washington, undated
- ItemBB016306 - Northern Pacific Engineering Drawing: Pier Number 3, Bridge 4 - Walla Walla River, Zangar Junction, Washington, undated
- ItemBB016307 - Northern Pacific Engineering Drawing: Pedestals, Bridge 4 - Walla Walla River, Zangar Junction, Washington, undated
- ItemBB016308 - Northern Pacific Engineering Drawing: South Abutments 12, Bridge 4 - Walla Walla River, Zangar Junction, Washington, undated
- 5858 more...