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
- 541 more...
- ItemBB014797 - Northern Pacific Engineering Drawing: Precast Concrete Shims, Bridge 8 - 7 - Mile Creek, Birdseye, Montana, undated
- ItemBB014798 - Northern Pacific Engineering Drawing: Girder Change/Casting, etc., Bridge 23 - Chehalis River, West of Pe Ell, Washington, undated
- ItemBB014799 - Northern Pacific Engineering Drawing: Deck Plan, Bridge 23 - Chehalis River, West of Pe Ell, Washington, undated
- ItemBB014800 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 23 - Chehalis River, West of Pe Ell, Washington, undated
- ItemBB014801 - Northern Pacific Engineering Drawing: General Plan/Detail West Abutment, Bridge 195 - 6 - Mile Creek, West of Toston, Montana, 1936
- ItemBB014802 - Northern Pacific Engineering Drawing: Masonry Detail/Pier/Abutment, Bridge 195 - 6 - Mile Creek, West of Toston, Montana, undated
- ItemBB014803 - Northern Pacific Engineering Drawing: Detail 30 Foot I - Beam Span, Bridge 195 - 6 - Mile Creek, West of Toston, Montana, undated
- ItemBB014804 - Northern Pacific Engineering Drawing: Detail 26 Foot I - Beam Span, Bridge 195 - 6 - Mile Creek, West of Toston, Montana, undated
- ItemBB014805 - Northern Pacific Engineering Drawing: Shop Plan - Erection/Brace, Bridge 195 - 6 - Mile Creek, West of Toston, Montana, undated
- 7178 more...