Railroad Archives Online
- ArkivD0027 - Timothy Miller Collection
- Serie004 - Northern Pacific Railroad Company
- Underserie009 - Engineering Records
- 008 - Physical plant drawing
- 003 - Maintenance Facilities
- 335 mer...
- ObjektStruc002706 - Northern Pacific Engineering Drawing, Roundhouse, Frame 125 Foot at Yakima, Washington, 1962
- ObjektStruc002707 - Northern Pacific Engineering Drawing, Roundhouse, Frame 125 Foot at Yakima, Washington, 1962
- ObjektStruc002708 - Northern Pacific Engineering Drawing, Roundhouse, Frame 125 Foot at Yakima, Washington, 1962
- ObjektStruc002769 - Northern Pacific Engineering Drawing, Metal Building (Butler), 1929
- ObjektStruc002770 - Northern Pacific Engineering Drawing, Metal Building (Butler), undated
- ObjektStruc002771 - Northern Pacific Engineering Drawing, Metal Building (Butler), 1929
- ObjektStruc002772 - Northern Pacific Engineering Drawing, Metal Building (Butler), 1929
- ObjektStruc002773 - Northern Pacific Engineering Drawing, Metal Building (Butler), 1929
- ObjektStruc004739 - Northern Pacific Engineering Drawing, Roundhouse and Machine Shop at Lewiston, Idaho, 1914
- 967 mer...