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
- 3272 more...
- ItemBB017856 - Northern Pacific Engineering Drawing: Floor Repairs, Bridge 71, South of Ritzville, Washington, 1927
- ItemBB017857 - Northern Pacific Engineering Drawing: General Plan, "NP Transfer", Tacoma, Washington, 1946
- ItemBB017858 - Northern Pacific Engineering Drawing: Abutment Details 1 and 2, "NP Transfer", Tacoma, Washington, undated
- ItemBB017859 - Northern Pacific Engineering Drawing: Detail of Piers A, B and C, "NP Transfer", Tacoma, Washington, undated
- ItemBB017860 - Northern Pacific Engineering Drawing: Stress Sheet, "NP Transfer", Tacoma, Washington, undated
- ItemBB017861 - Northern Pacific Engineering Drawing: Truss Detail, "NP Transfer", Tacoma, Washington, undated
- ItemBB017862 - Northern Pacific Engineering Drawing: Miscellaneous truss Details, "NP Transfer", Tacoma, Washington, undated
- ItemBB017863 - Northern Pacific Engineering Drawing: Girder Details - Span 1 and 4, "NP Transfer", Tacoma, Washington, undated
- ItemBB017865 - Northern Pacific Engineering Drawing: Shop Plan - Mark Diagram, "NP Transfer", Tacoma, Washington, undated
- 4447 more...