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
- 4392 more...
- ItemBB019070 - Northern Pacific Engineering Drawing: 30 Foot Beam Span, Bridge 28 - South Pine Creek, South of Rosalia, Washington, undated
- ItemBB019071 - Northern Pacific Engineering Drawing: General Plan/Falsework, Bridge 103.1 & Others, West of Cunningham, Washington, undated
- ItemBB019072 - Northern Pacific Engineering Drawing: Pier/Abutments, Bridge 103.1 & Others, West of Cunningham, Washington, undated
- ItemBB019073 - Northern Pacific Engineering Drawing: Revision Plan Concrete Trestle, Bridge 103.1 & Others, West of Cunningham, Washington, undated
- 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
- 3327 more...