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 3004 - Maintenance of Way support
- 198 more...
- ItemStruc008477 - Northern Pacific Engineering Drawing, Section House at Orofino, Idaho, 1950
- ItemStruc008600 - Northern Pacific Engineering Drawing, Sectionmen's Building at Spokane, Washington, 1954
- ItemStruc008601 - Northern Pacific Engineering Drawing, Sectionmen's Building at Spokane, Washington, undated
- ItemStruc008607 - Northern Pacific Engineering Drawing, Motor Car Houses at Spokane, Washington, undated
- ItemStruc008899 - Northern Pacific Engineering Drawing, Communications Shop at Missoula, Montana, 1971