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
- 4548 more...
- ItemBB019233 - Northern Pacific Engineering Drawing: Shop Plan - Shoe/Roller, Bridge 10 - Deek Creek, Oso, Washington, undated
- ItemBB019234 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 101, West of Cunningham, Washington, 1957
- ItemBB019235 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 101, West of Cunningham, Washington, 1945
- ItemBB019236 - Northern Pacific Engineering Drawing: Standard Plan Beam Guard, Bridge 101, West of Cunningham, Washington, undated
- ItemBB019237 - Northern Pacific Engineering Drawing: Lateral Bracing, Bridge 101, West of Cunningham, Washington, undated
- ItemBB019238 - Northern Pacific Engineering Drawing: Detail Masonry Extension, Bridge 3, West of Empire, Washington, 1910
- ItemBB019239 - Northern Pacific Engineering Drawing: Piers and Bents, Bridge 3, West of Empire, Washington, undated
- ItemBB019240 - Northern Pacific Engineering Drawing: Deck Pin - Span, Bridge 3, West of Empire, Washington, undated
- ItemBB019241 - Northern Pacific Engineering Drawing: General Plan, Bridge 3.2 - Lake Pend Oreille, West of Sandpoint, Idaho, 1960
- 3171 more...