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 3007 - Track
- 9 more...
- ItemStruc005608 - Northern Pacific Engineering Drawing, Control Tower at Missoula, Montana, 1966
- ItemStruc005609 - Northern Pacific Engineering Drawing, Control Tower at Missoula, Montana, 1967
- ItemStruc005631 - Northern Pacific Engineering Drawing, Area Plan at Missoula, Montana, 1963
- ItemStruc005644 - Northern Pacific Engineering Drawing, Floodlights at Missoula, Montana, 1966
- ItemStruc005646 - Northern Pacific Engineering Drawing, Load Adjuster and Car Puller at Missoula, Montana, 1967
- ItemStruc005647 - Northern Pacific Engineering Drawing, Load Adjuster and Car Puller at Missoula, Montana, undated
- ItemStruc005648 - Northern Pacific Engineering Drawing, Load Adjuster and Car Puller at Missoula, Montana, 1968
- ItemStruc006005 - Northern Pacific Engineering Drawing, Oregon Western Railroad Crossing To 6Th Avenue at Spokane, Washington, 1933
- ItemStruc006678 - Northern Pacific Engineering Drawing, Interlocking Control Building at Tacoma, Washington, 1963
- 310 more...