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
- 4752 more...
- ItemBB019576 - Northern Pacific Engineering Drawing: Plan/Detail Abutments, Bridge 202 - Deep Creek, West of Toston, Montana, undated
- ItemBB019578 - Northern Pacific Engineering Drawing: Bill of Material/Miscellaneous Details, Bridge 203, West of Toston, Montana, undated
- ItemBB019579 - Northern Pacific Engineering Drawing: Plan/Detail Abutments, Bridge 203, West of Toston, Montana, undated
- ItemBB019580 - Northern Pacific Engineering Drawing: General Plans, Bridge 40 - Wild Horse Creek, West of Ravalli, Montana, 1901
- ItemBB019581 - Northern Pacific Engineering Drawing: General Plans, Bridge 40 - Wild Horse Creek, West of Ravalli, Montana, 1901
- ItemBB019582 - Northern Pacific Engineering Drawing: Detail Remodel Substructure, Bridge 40 - Wild Horse Creek, West of Ravalli, Montana, undated
- ItemBB019583 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 40 - Wild Horse Creek, West of Ravalli, Montana, 1952
- ItemBB019584 - Northern Pacific Engineering Drawing: Detail of Abutments, Bridge 11.1 - Lolo River, North of Silver Bow, Montana, undated
- ItemBB019585 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 11.1 - Lolo River, North of Silver Bow, Montana, 1952
- 2967 more...