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
- 3243 more...
- ItemBB017824 - Northern Pacific Engineering Drawing: Shallow Floor Girder, Bridge 2.1 - Wildcat Creek, North of Elma, Washington, undated
- ItemBB017825 - Northern Pacific Engineering Drawing: Detail of Main Girder, Bridge 2.1 - Wildcat Creek, North of Elma, Washington, undated
- ItemBB017826 - Northern Pacific Engineering Drawing: Floor Beam - Stringer - Bear, Bridge 2.1 - Wildcat Creek, North of Elma, Washington, undated
- ItemBB017827 - Northern Pacific Engineering Drawing: Reinforcement Floor Plan Girder, Bridge 2.1 - Wildcat Creek, North of Elma, Washington, undated
- ItemBB017828 - Northern Pacific Engineering Drawing: Proposed Advertisement Sign, Bridge 2.1 - Wildcat Creek, North of Elma, Washington, undated
- ItemBB017829 - Northern Pacific Engineering Drawing: Diagram of Bridges, Miscellaneous Drawings for Painting, Montana, undated
- ItemBB017830 - Northern Pacific Engineering Drawing: Diagram of Bridges, Miscellaneous Drawings for Painting, Idaho, undated
- ItemBB017831 - Northern Pacific Engineering Drawing: Diagram of Bridges, Miscellaneous Drawings for Painting, undated
- ItemBB017832 - Northern Pacific Engineering Drawing: Diagram of Bridges, Miscellaneous Drawings for Painting, undated
- 4476 more...