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
- 590 more...
- ItemStruc005733 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- ItemStruc005734 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- ItemStruc005735 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1911
- ItemStruc005736 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- ItemStruc005737 - Northern Pacific Engineering Drawing, Boiler House at Parkwater, Washington, 1912
- ItemStruc005738 - Northern Pacific Engineering Drawing, Boiler House at Parkwater, Washington, 1912
- ItemStruc005739 - Northern Pacific Engineering Drawing, Boiler House at Parkwater, Washington, 1912
- ItemStruc005740 - Northern Pacific Engineering Drawing, Boiler House at Parkwater, Washington, 1911
- ItemStruc005741 - Northern Pacific Engineering Drawing, Boiler House at Parkwater, Washington, 1912
- 712 more...