Railroad Archives Online
- フォンドD0027 - Timothy Miller Collection
- シリーズ004 - Northern Pacific Railroad Company
- サブシリーズ009 - Engineering Records
- 008 - Physical plant drawing
- 003 - Maintenance Facilities
- 1099 more...
- アイテムStruc008406 - Northern Pacific Engineering Drawing, (Standard Plan), 1947
- アイテムStruc008407 - Northern Pacific Engineering Drawing, (Standard Plan), 1946
- アイテムStruc008408 - Northern Pacific Engineering Drawing, (Standard Plan), 1947
- アイテムStruc008409 - Northern Pacific Engineering Drawing, (Standard Plan), 1943
- アイテムStruc008410 - Northern Pacific Engineering Drawing, (Standard Plan), 1943
- アイテムStruc008411 - Northern Pacific Engineering Drawing, Water Facilities for Steam Generators on Diesel Passenger Locomotives at Paradise, Montana, 1950
- アイテムStruc008419 - Northern Pacific Engineering Drawing, Pump House at Eagle Gorge, Washington, 1958
- アイテムStruc008424 - Northern Pacific Engineering Drawing, Sanitary Sewer and Water Line Details at Green River, Washington, 1958
- アイテムStruc008456 - Northern Pacific Engineering Drawing, Treating Plant and Equipment at Lewiston, Idaho, 1957
- 203 more...