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
- 5020 more...
- ItemBB019920 - Northern Pacific Engineering Drawing: 2 - 122 Foot Through Spans, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB019921 - Northern Pacific Engineering Drawing: Deck Plan, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1935
- ItemBB019922 - Northern Pacific Engineering Drawing: Changes - Rail lock, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, 1935
- ItemBB019923 - Northern Pacific Engineering Drawing: General Masonry Plan, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB019924 - Northern Pacific Engineering Drawing: Detail - Piers, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB019925 - Northern Pacific Engineering Drawing: Pier Protection and Sheer Board, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB019926 - Northern Pacific Engineering Drawing: Details - Operators House, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB019927 - Northern Pacific Engineering Drawing: Protection - Fender - Pier 1, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB019928 - Northern Pacific Engineering Drawing: Wiring Diagram, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- 2699 more...