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
- 1065 more...
- ItemBB015356 - Northern Pacific Engineering Drawing: Bridge Movement, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015357 - Northern Pacific Engineering Drawing: Bearing Modification/Account for Movement, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015358 - Northern Pacific Engineering Drawing: Bearing Modification/Account for Movement, Bridge 62 - Swamp Creek, West of Tuscor, Montana, undated
- ItemBB015359 - Northern Pacific Engineering Drawing: General Elevation/Plan, Bridge 67 - Rock Creek, West of Tuscor, Montana, 1956
- ItemBB015360 - Northern Pacific Engineering Drawing: Abutment 1/6, Bridge 67 - Rock Creek, West of Tuscor, Montana, undated
- ItemBB015361 - Northern Pacific Engineering Drawing: Piers, Bridge 67 - Rock Creek, West of Tuscor, Montana, undated
- ItemBB015362 - Northern Pacific Engineering Drawing: Steel Bents, Bridge 67 - Rock Creek, West of Tuscor, Montana, undated
- ItemBB015363 - Northern Pacific Engineering Drawing: Steel Superstructure/Bridge, Bridge 67 - Rock Creek, West of Tuscor, Montana, undated
- ItemBB015364 - Northern Pacific Engineering Drawing: Deck Detail, Bridge 67 - Rock Creek, West of Tuscor, Montana, 1956
- 6654 more...