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
- 614 more...
- ItemStruc005780 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- ItemStruc005781 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- ItemStruc005782 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- ItemStruc005783 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- ItemStruc005784 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, 1912
- ItemStruc005785 - Northern Pacific Engineering Drawing, Engine Facilities at Parkwater, Washington, undated
- ItemStruc006038 - Northern Pacific Engineering Drawing, Locomotive and Car Repair Facility at Mandan, North Dakota, 1980
- ItemStruc006039 - Northern Pacific Engineering Drawing, Locomotive and Car Repair Facility at Mandan, North Dakota, 1980
- ItemStruc006040 - Northern Pacific Engineering Drawing, Locomotive and Car Repair Facility at Mandan, North Dakota, 1980
- 688 more...