Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Série004 - Northern Pacific Railroad Company
- Sous-série009 - Engineering Records
- 008 - Physical plant drawing
- 007 - Track
- 242 en plus...
- PièceBB035359 - Northern Pacific Engineering Drawing: Shop Plan - Build Plan, Track Scale, Everett, Washington, undated
- PièceBB035360 - Northern Pacific Engineering Drawing: Foundation Plan, Track Scale, Everett, Washington, undated
- PièceBB035361 - Northern Pacific Engineering Drawing: 150 Ton Track Scale, Track Scale, Everett, Washington, undated
- PièceBB035362 - Northern Pacific Engineering Drawing: General Plan, Track Scale, Everett, Washington, undated
- PièceBB035363 - Northern Pacific Engineering Drawing: Repairs, Track Scale, Everett, Washington, 1936
- PièceBB035364 - Northern Pacific Engineering Drawing: Repairs, Track Scale, Everett, Washington, 1936
- PièceBB035365 - Northern Pacific Engineering Drawing: Deck Plan, Track Scale, Everett, Washington, 1946
- PièceBB035366 - Northern Pacific Engineering Drawing: Steel Details , Track Scale, Everett, Washington, 1946
- PièceBB035715 - Northern Pacific Engineering Drawing: Shop Plan - Steel Details, Track Scale, Vancouver, Washington, undated
- 77 en plus...