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
- 1054 more...
- ItemBB015344 - Northern Pacific Engineering Drawing: Piers 2/3/4/5, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015345 - Northern Pacific Engineering Drawing: Superstructure/New Bearings, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015346 - Northern Pacific Engineering Drawing: Deck Detail, Bridge 62 - Swamp Creek, West of Tuscor, Montana, 1956
- ItemBB015347 - Northern Pacific Engineering Drawing: Deck Detail/Beam/Material, Bridge 62 - Swamp Creek, West of Tuscor, Montana, 1956
- ItemBB015349 - Northern Pacific Engineering Drawing: Shop Plan - Bearing Plates, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015350 - Northern Pacific Engineering Drawing: Shop Plan - Miscellaneous/Bridge, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015351 - Northern Pacific Engineering Drawing: General Plan, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015352 - Northern Pacific Engineering Drawing: 40 Foot Tower Span, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015353 - Northern Pacific Engineering Drawing: 50 Foot Girder Span, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- 6665 more...