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
- 3626 more...
- ItemBB018214 - Northern Pacific Engineering Drawing: Erection Plan, Bridge 8.1 - Henderson Boulevard, West of Lacey, Washington, undated
- ItemBB018215 - Northern Pacific Engineering Drawing: Miscellaneous Steel, Bridge 8.1 - Henderson Boulevard, West of Lacey, Washington, undated
- ItemBB018216 - Northern Pacific Engineering Drawing: Plate Girder, Bridge 8.1 - Henderson Boulevard, West of Lacey, Washington, undated
- ItemBB018217 - Northern Pacific Engineering Drawing: Pin/Shoe/Base Plate, Bridge 8.1 - Henderson Boulevard, West of Lacey, Washington, undated
- ItemBB018232 - Northern Pacific Engineering Drawing: General Plan/Steven Street, Bridge 0.1 - Stevens Street, Spokane, Washington, 1915
- ItemBB018233 - Northern Pacific Engineering Drawing: Detail of Bents, Bridge 0.1 - Stevens Street, Spokane, Washington, undated
- ItemBB018234 - Northern Pacific Engineering Drawing: Abutments, Bridge 0.1 - Stevens Street, Spokane, Washington, undated
- ItemBB018235 - Northern Pacific Engineering Drawing: Detail South Half of Slab, Bridge 0.1 - Stevens Street, Spokane, Washington, undated
- ItemBB018236 - Northern Pacific Engineering Drawing: Detail North Half of Slab, Bridge 0.1 - Stevens Street, Spokane, Washington, undated
- 4093 more...