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
- 4396 more...
- ItemBB019074 - Northern Pacific Engineering Drawing: Plan Pier/Abutment, Bridge 103.2, West of Cunningham, Washington, 1901
- ItemBB019075 - Northern Pacific Engineering Drawing: Details, Bridge 103.2, West of Cunningham, Washington, undated
- ItemBB019076 - Northern Pacific Engineering Drawing: General Plan Pier/Abutment, Bridge 103.3, West of Cunningham, Washington, undated
- ItemBB019077 - Northern Pacific Engineering Drawing: General Plan Pier/Abutment, Bridge 104.1, West of Cunningham, Washington, undated
- ItemBB019078 - Northern Pacific Engineering Drawing: Masonry Details, Bridge 118.1 - Rattlesnake Creek, West of Bonner, Montana, 1910
- ItemBB019079 - Northern Pacific Engineering Drawing: General/Masonry Details, Bridge 118.1 - Rattlesnake Creek, West of Bonner, Montana, undated
- ItemBB019080 - Northern Pacific Engineering Drawing: Detail Girder Connection, Bridge 118.1 - Rattlesnake Creek, West of Bonner, Montana, undated
- ItemBB019081 - Northern Pacific Engineering Drawing: Detail D Slab Girders, Bridge 118.1 - Rattlesnake Creek, West of Bonner, Montana, undated
- ItemBB019082 - Northern Pacific Engineering Drawing: General Plan, Bridge 25 - Nisqually River, South of Nisqually, Washington, 1912
- 3323 more...