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
- 608 more...
- ItemStruc005751 - Northern Pacific Engineering Drawing, Boiler House at Parkwater, Washington, 1912
- ItemStruc005752 - Northern Pacific Engineering Drawing, Boiler House at Parkwater, Washington, 1912
- ItemStruc005753 - Northern Pacific Engineering Drawing, Boiler House at Parkwater, Washington, 1912
- ItemStruc005755 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, 1938
- ItemStruc005756 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, undated
- ItemStruc005757 - Northern Pacific Engineering Drawing, Branch House and Service Station at Spokane, Washington, undated
- 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
- 694 more...