Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Cyfres004 - Northern Pacific Railroad Company
- Is-gyfres009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
- 1396 mwy...
- EitemBB015728 - Northern Pacific Engineering Drawing: Bill of Material, Bridge 58 - Palouse River, West of Perma, Washington, undated
- EitemBB015729 - Northern Pacific Engineering Drawing: East Abutment, Bridge 79.1 - Underpass, West of Greycliff, Montana, undated
- EitemBB015730 - Northern Pacific Engineering Drawing: Sections etc., Bridge 79.1 - Underpass, West of Greycliff, Montana, undated
- EitemBB015731 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 79.1 - Underpass, West of Greycliff, Montana, undated
- EitemBB015732 - Northern Pacific Engineering Drawing: Shop Plan - General Plan, Bridge 79.1 - Underpass, West of Greycliff, Montana, undated
- EitemBB015733 - Northern Pacific Engineering Drawing: Proposed New Curb, Bridge 79.1 - Underpass, West of Greycliff, Montana, 1951
- EitemBB015734 - Northern Pacific Engineering Drawing: General Plan, Bridge 3 - Church Street Overpass, Sandpoint, Idaho, 1936
- EitemBB015735 - Northern Pacific Engineering Drawing: General Plan, Bridge 3 - Church Street Overpass, Sandpoint, Idaho, undated
- EitemBB015736 - Northern Pacific Engineering Drawing: General Plan, Bridge 3 - Church Street Overpass, Sandpoint, Idaho, undated
- 6323 mwy...