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
- 1439 more...
- ItemBB015842 - Northern Pacific Engineering Drawing: Shop Plan - Walk Plate, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015843 - Northern Pacific Engineering Drawing: Shop Plan - Walk Plate, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015844 - Northern Pacific Engineering Drawing: Shop Plan - Walk Plate, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015845 - Northern Pacific Engineering Drawing: Shop Plan - Rocker Lean, Inches, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015846 - Northern Pacific Engineering Drawing: Shop Plan - General Revision, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015847 - Northern Pacific Engineering Drawing: Shop Plan - General Revision, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015848 - Northern Pacific Engineering Drawing: Shop Plan - General Revision, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015849 - Northern Pacific Engineering Drawing: Shop Plan - General Revision, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- ItemBB015850 - Northern Pacific Engineering Drawing: Shop Plan - Documents, Bridge 3.1 - Union Pacific Railroad and Highway, West of Empire, Washington, undated
- 6280 more...