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
- 7163 more...
- ItemBB029139 - Northern Pacific Engineering Drawing: Shop Plan - Platform, etc., Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029140 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029141 - Northern Pacific Engineering Drawing: Shop Plan - Girder/Frame, etc., Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029142 - Northern Pacific Engineering Drawing: Shop Plan - Girder/Bracing, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029143 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029144 - Northern Pacific Engineering Drawing: Shop Plan - Girder/Bracing, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029145 - Northern Pacific Engineering Drawing: Shop Plan - Column/Bents, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029146 - Northern Pacific Engineering Drawing: Shop Plan - Column/Bents, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- ItemBB029147 - Northern Pacific Engineering Drawing: Shop Plan - Column/Bents, Bridge 62.1 - Spokane River, West of Trentwood, Washington, undated
- 556 more...