Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series004 - Northern Pacific Railroad Company
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3003 - Maintenance Facilities
- 1099 more...
- ItemStruc008406 - Northern Pacific Engineering Drawing, (Standard Plan), 1947
- ItemStruc008407 - Northern Pacific Engineering Drawing, (Standard Plan), 1946
- ItemStruc008408 - Northern Pacific Engineering Drawing, (Standard Plan), 1947
- ItemStruc008409 - Northern Pacific Engineering Drawing, (Standard Plan), 1943
- ItemStruc008410 - Northern Pacific Engineering Drawing, (Standard Plan), 1943
- ItemStruc008411 - Northern Pacific Engineering Drawing, Water Facilities for Steam Generators on Diesel Passenger Locomotives at Paradise, Montana, 1950
- ItemStruc008419 - Northern Pacific Engineering Drawing, Pump House at Eagle Gorge, Washington, 1958
- ItemStruc008424 - Northern Pacific Engineering Drawing, Sanitary Sewer and Water Line Details at Green River, Washington, 1958
- ItemStruc008456 - Northern Pacific Engineering Drawing, Treating Plant and Equipment at Lewiston, Idaho, 1957
- 203 more...