Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Cyfres004 - Northern Pacific Railroad Company
- Is-gyfres009 - Engineering Records
- 008 - Physical plant drawing
- 007 - Track
- 239 mwy...
- EitemBB033905 - Northern Pacific Engineering Drawing: Shop Plan - Load Cell, Scale, Spokane, Washington, undated
- EitemBB033906 - Northern Pacific Engineering Drawing: Installation Notes, Scale, Spokane, Washington, undated
- EitemBB033907 - Northern Pacific Engineering Drawing: Installation Notes, Scale, Spokane, Washington, undated
- EitemBB035359 - Northern Pacific Engineering Drawing: Shop Plan - Build Plan, Track Scale, Everett, Washington, undated
- EitemBB035360 - Northern Pacific Engineering Drawing: Foundation Plan, Track Scale, Everett, Washington, undated
- EitemBB035361 - Northern Pacific Engineering Drawing: 150 Ton Track Scale, Track Scale, Everett, Washington, undated
- EitemBB035362 - Northern Pacific Engineering Drawing: General Plan, Track Scale, Everett, Washington, undated
- EitemBB035363 - Northern Pacific Engineering Drawing: Repairs, Track Scale, Everett, Washington, 1936
- EitemBB035364 - Northern Pacific Engineering Drawing: Repairs, Track Scale, Everett, Washington, 1936
- 80 mwy...