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
- 1374 more...
- ItemBB015704 - Northern Pacific Engineering Drawing: Replace Timber Pile, Bridge 40, Deer Lodge, Montana, 1930
- ItemBB015705 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 40, Deer Lodge, Montana, 1964
- ItemBB015706 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 40, Deer Lodge, Montana, undated
- ItemBB015707 - Northern Pacific Engineering Drawing: Shop Plan - Girders, Bridge 40, Deer Lodge, Montana, undated
- ItemBB015708 - Northern Pacific Engineering Drawing: Shop Plan - Floor Beam, etc., Bridge 40, Deer Lodge, Montana, undated
- ItemBB015709 - Northern Pacific Engineering Drawing: Shop Plan - Erection Diagram, Bridge 40, Deer Lodge, Montana, undated
- ItemBB015710 - Northern Pacific Engineering Drawing: Shop Plan - Beam/Material, Bridge 40, Deer Lodge, Montana, undated
- ItemBB015711 - Northern Pacific Engineering Drawing: Plan of Pier/Abutment, Bridge 134 (169), West of Chestnut, Montana, 1901
- ItemBB015712 - Northern Pacific Engineering Drawing: Detail of Remodel Substation, Bridge 134 (169), West of Chestnut, Montana, undated
- 6345 more...