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
- 4721 more...
- ItemBB019543 - Northern Pacific Engineering Drawing: Tie Dapping Plan, Bridge 12.1 - Black River, West of Grand Mound, Washington, undated
- ItemBB019544 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 12.1 - Black River, West of Grand Mound, Washington, 1919
- ItemBB019545 - Northern Pacific Engineering Drawing: Shop Plan - End Post, Bridge 12.1 - Black River, West of Grand Mound, Washington, undated
- ItemBB019546 - Northern Pacific Engineering Drawing: Shop Plan - Chord Section, Bridge 12.1 - Black River, West of Grand Mound, Washington, undated
- ItemBB019547 - Northern Pacific Engineering Drawing: Shop Plan - Strut, etc., Bridge 12.1 - Black River, West of Grand Mound, Washington, undated
- ItemBB019548 - Northern Pacific Engineering Drawing: Title Sheet, Bridge 23 - Ellingson Road, South of Auburn, Washington, undated
- ItemBB019550 - Northern Pacific Engineering Drawing: Footing Layout, Bridge 23 - Ellingson Road, South of Auburn, Washington, undated
- ItemBB019551 - Northern Pacific Engineering Drawing: Abutment Details, Bridge 23 - Ellingson Road, South of Auburn, Washington, undated
- ItemBB019552 - Northern Pacific Engineering Drawing: Pier Details, Bridge 23 - Ellingson Road, South of Auburn, Washington, undated
- 2998 more...