Railroad Archives Online
- D0027 - Timothy Miller Collection
- Ro`yxat004 - Northern Pacific Railroad Company
- Ro`yxat-osti009 - Engineering Records
- 008 - Physical plant drawing
- 001 - Bridges
- 4790 more...
- BB019657 - Northern Pacific Engineering Drawing: Shop Plan - Bill Bolts, Bridge 14 (22) - County Road, West of Algoma, Idaho, undated
- BB019658 - Northern Pacific Engineering Drawing: Bearing Block Rising Brace, Bridge 14 (22) - County Road, West of Algoma, Idaho, undated
- BB019659 - Northern Pacific Engineering Drawing: Plan of Abutment, Bridge 96, Cunningham, Washington, 1900
- BB019661 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 96, Cunningham, Washington, 1957
- BB019662 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 96, Cunningham, Washington, 1941
- BB019663 - Northern Pacific Engineering Drawing: Plan of Abutment, Bridge 97, Cunningham, Washington, 1900
- BB019665 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 97, Cunningham, Washington, 1957
- BB019666 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 97, Cunningham, Washington, 1942
- BB019667 - Northern Pacific Engineering Drawing: Standard Plan Beam Girder, Bridge 97, Cunningham, Washington, undated
- 2929 more...