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
- 169 more...
- ItemStruc007861 - Northern Pacific Engineering Drawing, Signal and Section Crew Building at Superior, Montana, 1977
- ItemStruc007862 - Northern Pacific Engineering Drawing, Signal and Section Crew Building at Superior, Montana, 1976
- ItemStruc007863 - Northern Pacific Engineering Drawing, Signal and Section Crew Building at Superior, Montana, undated
- ItemStruc007864 - Northern Pacific Engineering Drawing, Signal and Section Crew Building at Superior, Montana, 1976
- ItemStruc007865 - Northern Pacific Engineering Drawing, Signal and Section Crew Building at Superior, Montana, 1969
- ItemStruc007866 - Northern Pacific Engineering Drawing, Signal and Section Crew Building at Superior, Montana, 1969
- ItemStruc007878 - Northern Pacific Engineering Drawing, Section Headquarters Building at Frenchtown, Montana, 1977
- ItemStruc007879 - Northern Pacific Engineering Drawing, Section Headquarters Building at Frenchtown, Montana, 1977
- ItemStruc007880 - Northern Pacific Engineering Drawing, Section Headquarters Building at Frenchtown, Montana, 1977
- 25 more...