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
- 1161 more...
- ItemBB015467 - Northern Pacific Engineering Drawing: Shop Plan - Aux Brake, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015468 - Northern Pacific Engineering Drawing: Repair to Racks, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015469 - Northern Pacific Engineering Drawing: Mag Control/Main Control, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015470 - Northern Pacific Engineering Drawing: Shop Plan - Wiring Diagram Draw Bar, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015471 - Northern Pacific Engineering Drawing: Detail of Longview, Portland and Northern Railway Bridge, Bridge 0.59 - Cowlitz River, River, Washington, undated
- ItemBB015472 - Northern Pacific Engineering Drawing: Replace Trusses, Bridge 206 (259) - Missouri River, West of Townsend, Montana, undated
- ItemBB015473 - Northern Pacific Engineering Drawing: General Plan/Masonry Change, Bridge 206 (259) - Missouri River, West of Townsend, Montana, 1927
- ItemBB015474 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 206 (259) - Missouri River, West of Townsend, Montana, 1938
- ItemBB015475 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 206 (259) - Missouri River, West of Townsend, Montana, 1938
- 6558 more...