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
- 5006 more...
- ItemBB019906 - Northern Pacific Engineering Drawing: Shop Plan - Under Cross, Bridge 9 - Highway, South of Marshall, Washington, undated
- ItemBB019907 - Northern Pacific Engineering Drawing: Pile Trestle and Walk, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB019908 - Northern Pacific Engineering Drawing: General Plan, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB019909 - Northern Pacific Engineering Drawing: Recondition Pier 3, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1955
- ItemBB019910 - Northern Pacific Engineering Drawing: Recondition Pier 4, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1955
- ItemBB019911 - Northern Pacific Engineering Drawing: Recondition Pier 5, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1955
- ItemBB019912 - Northern Pacific Engineering Drawing: Rebuilding Pier 3, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1955
- ItemBB019913 - Northern Pacific Engineering Drawing: Rebuilding Pier 4, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1955
- ItemBB019914 - Northern Pacific Engineering Drawing: Add - Pier Protection, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1935
- 2713 more...