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
- 4672 more...
- ItemBB019413 - Northern Pacific Engineering Drawing: Detail of Span Centerline Bearings, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019414 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019415 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019416 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019417 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019418 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019419 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019420 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- ItemBB019421 - Northern Pacific Engineering Drawing: Shop Plan - Bill of Material, Bridge 39 - Umatilla River, Union Pacific Connection, Washington, undated
- 3047 more...