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
- 5355 more...
- ItemBB020451 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 30.1 - Boulder River, West of Lime Spur, Montana, undated
- ItemBB020452 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 30.1 - Boulder River, West of Lime Spur, Montana, undated
- ItemBB020453 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 0 - Esquatzel Coulee, West of Mesa, Washington, undated
- ItemBB020454 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 0 - Esquatzel Coulee, West of Mesa, Washington, undated
- ItemBB020455 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 0 - Esquatzel Coulee, West of Mesa, Washington, undated
- ItemBB020456 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 0 - Esquatzel Coulee, West of Mesa, Washington, undated
- ItemBB020457 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous, Bridge 0 - Esquatzel Coulee, West of Mesa, Washington, undated
- ItemBB020458 - Northern Pacific Engineering Drawing: General Plan, Bridge 4.75 - Potholes East, West of Mesa, Washington, 1968
- ItemBB020459 - Northern Pacific Engineering Drawing: Abutment 1/3, Bridge 4.75 - Potholes East, West of Mesa, Washington, undated
- 2364 more...