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
- 6346 more...
- ItemBB028095 - Northern Pacific Engineering Drawing: Masonry Detail, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028096 - Northern Pacific Engineering Drawing: Detail Falsework/Tim Abutment, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028097 - Northern Pacific Engineering Drawing: Partial Deck Plan, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028098 - Northern Pacific Engineering Drawing: West/East Bound Tie Plan, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028099 - Northern Pacific Engineering Drawing: Through Plate Truss Tie Plan, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028100 - Northern Pacific Engineering Drawing: West/East Bound Tie Plan, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028101 - Northern Pacific Engineering Drawing: West/East Bound Tie Plan, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028102 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- ItemBB028103 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 81 - Cowlitz River, South of Vader, Washington, undated
- 1373 more...