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
- 3601 more...
- ItemBB018188 - Northern Pacific Engineering Drawing: Construction Detail/Vertical Wall, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018189 - Northern Pacific Engineering Drawing: Bill of Rods, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018190 - Northern Pacific Engineering Drawing: General Plan Arch Proposed, Bridge 0.3 - Wash. Street, Spokane, Washington, 1915
- ItemBB018191 - Northern Pacific Engineering Drawing: Lighting Details, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018192 - Northern Pacific Engineering Drawing: Electric Sign, Bridge 0.3 - Wash. Street, Spokane, Washington, undated
- ItemBB018193 - Northern Pacific Engineering Drawing: Rebuilding Bridge/General Plan, Bridge 8.2 - Union Avenue, West of Lacey, Washington, 1958
- ItemBB018194 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 8.2 - Union Avenue, West of Lacey, Washington, undated
- ItemBB018195 - Northern Pacific Engineering Drawing: Retaining Walls Piers, Bridge 8.2 - Union Avenue, West of Lacey, Washington, undated
- ItemBB018196 - Northern Pacific Engineering Drawing: Remodel Skew, Bridge 8.2 - Union Avenue, West of Lacey, Washington, undated
- 4118 more...