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
- 3608 more...
- 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
- ItemBB018197 - Northern Pacific Engineering Drawing: Gusset Plate/ Stiffener Revision, Bridge 8.2 - Union Avenue, West of Lacey, Washington, undated
- ItemBB018198 - Northern Pacific Engineering Drawing: Plate/Floor Beam/Miscellaneous Details, Bridge 8.2 - Union Avenue, West of Lacey, Washington, undated
- ItemBB018199 - Northern Pacific Engineering Drawing: New Lateral Brace/Stringer, Bridge 8.2 - Union Avenue, West of Lacey, Washington, undated
- ItemBB018200 - Northern Pacific Engineering Drawing: Bearing Details, Bridge 8.2 - Union Avenue, West of Lacey, Washington, undated
- ItemBB018201 - Northern Pacific Engineering Drawing: Ballast Deck Timber Trestle, Bridge 93 - Underpass, South of Castle Rock, Washington, 1957
- ItemBB018202 - Northern Pacific Engineering Drawing: Detail of Ballast Deck, Bridge 93.1 - Underpass, South of Castle Rock, Washington, 1957
- ItemBB018203 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 17 - Van Sycle Creek, South of Zangar Junction, Washington, 1958
- 4111 more...