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
- 326 more...
- ItemStruc002695 - Northern Pacific Engineering Drawing, Sand Facilities at Billings, Montana, 1957
- ItemStruc002696 - Northern Pacific Engineering Drawing, Sand Facilities at Billings, Montana, 1957
- ItemStruc002697 - Northern Pacific Engineering Drawing, Sand Facilities at Billings, Montana, 1957
- ItemStruc002698 - Northern Pacific Engineering Drawing, Diesel Fueling Facilities at Yakima, Washington, 1960
- ItemStruc002699 - Northern Pacific Engineering Drawing, Diesel Fueling Facilities at Yakima, Washington, 1960
- ItemStruc002700 - Northern Pacific Engineering Drawing, Diesel Fueling Facilities at Yakima, Washington, 1956
- ItemStruc002701 - Northern Pacific Engineering Drawing, Diesel Fueling Facilities at Yakima, Washington, 1960
- ItemStruc002702 - Northern Pacific Engineering Drawing, Sand Facilities at Yakima, Washington, 1960
- ItemStruc002705 - Northern Pacific Engineering Drawing, Roundhouse, Frame 125 Foot at Yakima, Washington, 1962
- 976 more...