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
- 1856 more...
- ItemBB016295 - Northern Pacific Engineering Drawing: Shop Plan - Beam/Material, Bridge 27 - Highway 15, North of Woodinville, Washington, undated
- ItemBB016296 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 4 - Walla Walla River, Zangar Junction, Washington, 1954
- ItemBB016297 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 4 - Walla Walla River, Zangar Junction, Washington, 1954
- ItemBB016298 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 4 - Walla Walla River, Zangar Junction, Washington, 1951
- ItemBB016299 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 4 - Walla Walla River, Zangar Junction, Washington, 1951
- 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
- 5863 more...