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
- 7180 more...
- ItemBB029251 - Northern Pacific Engineering Drawing: General Plans, Bridge 26+4381 - Reservation Road, South of Nisqually, Washington, 1912
- ItemBB029252 - Northern Pacific Engineering Drawing: General Plans, Bridge 37+5205 - Waldrick Road, South of East Olympia, Washington, undated
- ItemBB029253 - Northern Pacific Engineering Drawing: Bent Details, Bridge 37+5205 - Waldrick Road, South of East Olympia, Washington, undated
- ItemBB029254 - Northern Pacific Engineering Drawing: Treated Timber Detail, Bridge 37+5205 - Waldrick Road, South of East Olympia, Washington, undated
- ItemBB029255 - Northern Pacific Engineering Drawing: General Plans, Bridge 37+5205 - Waldrick Road, South of East Olympia, Washington, 1912
- ItemBB029265 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB029266 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB029267 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- ItemBB029268 - Northern Pacific Engineering Drawing: Shop Plan - Diagonal, Bridge 207 - Clark Fork River, West of Donlan, Montana, undated
- 539 more...