Railroad Archives Online
- ArquivoD0027 - Timothy Miller Collection
- Série004 - Northern Pacific Railroad Company
- Subsérie009 - Engineering Records
- 008 - Physical plant drawing
- 002 - Depots and Freighthouses
- 926 mais...
- ItemStruc006380 - Northern Pacific Engineering Drawing, Yard Office and Tower at Yardley, Washington, 1983
- ItemStruc006381 - Northern Pacific Engineering Drawing, Yard Office and Tower at Yardley, Washington, 1984
- ItemStruc006382 - Northern Pacific Engineering Drawing, Yard Office and Tower at Yardley, Washington, 1984
- ItemStruc006383 - Northern Pacific Engineering Drawing, Yard Office and Tower at Yardley, Washington, 1984
- ItemStruc006556 - Northern Pacific Engineering Drawing, Yard Office at Seattle, Washington, 1965
- ItemStruc006557 - Northern Pacific Engineering Drawing, Freight House, King Street at Seattle, Washington, 1965
- ItemStruc006558 - Northern Pacific Engineering Drawing, Fence and Offices at Seattle, Washington, 1965
- ItemStruc006560 - Northern Pacific Engineering Drawing, Bulk Freight Handling Yard and Shed, Spokane Street and Colorado Avenue at Seattle, Washington, 1966
- ItemStruc006561 - Northern Pacific Engineering Drawing, Bulk Freight Handling Yard and Shed, Spokane Street and Colorado Avenue at Seattle, Washington, 1966
- 727 mais...