Railroad Archives Online
- FondosD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Sub-series009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
- 619 more...
- ItemBB014888 - Northern Pacific Engineering Drawing: Shop Plan - Stringer, etc., Bridge 0.1 - No General Plan Found, Drummond, Montana, undated
- ItemBB014889 - Northern Pacific Engineering Drawing: Shop Plan - Diagram, etc., Bridge 0.1 - No General Plan Found, Drummond, Montana, undated
- ItemBB014890 - Northern Pacific Engineering Drawing: General Plan, Bridge 1.1 - Public Underpass, East of Rye Junction, Washington, 1925
- ItemBB014891 - Northern Pacific Engineering Drawing: Temporary Bridge Detail, Bridge 1.1 - Public Underpass, East of Rye Junction, Washington, undated
- ItemBB014892 - Northern Pacific Engineering Drawing: Detail of Through Plate Girder, Bridge 1.1 - Public Underpass, East of Rye Junction, Washington, undated
- ItemBB014893 - Northern Pacific Engineering Drawing: Shop Plan - Girder Floor System, Bridge 1.1 - Public Underpass, East of Rye Junction, Washington, undated
- ItemBB014894 - Northern Pacific Engineering Drawing: Plan of Abutments, Bridge 128, Eltopia, Washington, undated
- ItemBB014895 - Northern Pacific Engineering Drawing: West Abutment, Bridge 128, Eltopia, Washington, undated
- ItemBB014896 - Northern Pacific Engineering Drawing: Reinforce Concrete Trestle, Bridge 128, Eltopia, Washington, 1924
- 7100 more...