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
- 756 more...
- ItemStruc006796 - Northern Pacific Engineering Drawing, Roundhouse at Parkwater, Washington, 1952
- ItemStruc006797 - Northern Pacific Engineering Drawing, Roundhouse at Parkwater, Washington, 1952
- ItemStruc006798 - Northern Pacific Engineering Drawing, Roundhouse at Parkwater, Washington, 1952
- ItemStruc006799 - Northern Pacific Engineering Drawing, Roundhouse at Parkwater, Washington, 1952
- ItemStruc006800 - Northern Pacific Engineering Drawing, Roundhouse at Parkwater, Washington, 1952
- ItemStruc006801 - Northern Pacific Engineering Drawing, Service Building for Carmen at Parkwater, Washington, 1953
- ItemStruc006802 - Northern Pacific Engineering Drawing, Service Building for Carmen at Parkwater, Washington, 1949
- ItemStruc006803 - Northern Pacific Engineering Drawing, Roundhouse at Parkwater, Washington, 1921
- ItemStruc006804 - Northern Pacific Engineering Drawing, Roundhouse at Parkwater, Washington, 1945
- 546 more...