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
- 402 more...
- ItemStruc004947 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1912
- ItemStruc004948 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1911
- ItemStruc004949 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1911
- ItemStruc004950 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1911
- ItemStruc004951 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1950
- ItemStruc004952 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1911
- ItemStruc004953 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1911
- ItemStruc004954 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1911
- ItemStruc004955 - Northern Pacific Engineering Drawing, Machine Shop at Parkwater, Washington, 1912
- 900 more...