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
- 4961 more...
- ItemBB019861 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 65 - Highway Underpass, South of Ritzville, Washington, undated
- ItemBB019862 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 65 - Highway Underpass, South of Ritzville, Washington, undated
- ItemBB019863 - Northern Pacific Engineering Drawing: Shop Plan - Castings, Bridge 65 - Highway Underpass, South of Ritzville, Washington, undated
- ItemBB019864 - Northern Pacific Engineering Drawing: Proposed Reflecting Signs, Bridge 65 - Highway Underpass, South of Ritzville, Washington, undated
- ItemBB019865 - Northern Pacific Engineering Drawing: Layout, Bridge 9 - Highway, South of Marshall, Washington, 1928
- ItemBB019866 - Northern Pacific Engineering Drawing: Structural Steel, Bridge 9 - Highway, South of Marshall, Washington, undated
- ItemBB019867 - Northern Pacific Engineering Drawing: Girder Details, Bridge 9 - Highway, South of Marshall, Washington, undated
- ItemBB019868 - Northern Pacific Engineering Drawing: Girder Details, Bridge 9 - Highway, South of Marshall, Washington, undated
- ItemBB019869 - Northern Pacific Engineering Drawing: Cast Steel, Bridge 9 - Highway, South of Marshall, Washington, undated
- 2758 more...