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
- 880 more...
- ItemBB015161 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015162 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015163 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015164 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015165 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015166 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015167 - Northern Pacific Engineering Drawing: Shop Plan - Bearing, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015168 - Northern Pacific Engineering Drawing: Shop Plan - Bearing, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015169 - Northern Pacific Engineering Drawing: Shop Plan - Girder, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- 6839 more...