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
- 501 more...
- ItemStruc005624 - Northern Pacific Engineering Drawing, Boiler at Missoula, Montana, 1963
- ItemStruc005626 - Northern Pacific Engineering Drawing, Store House at Missoula, Montana, 1963
- ItemStruc005627 - Northern Pacific Engineering Drawing, Store House and Oil House at Missoula, Montana, 1963
- ItemStruc005629 - Northern Pacific Engineering Drawing, Roundhouse and Machine Shop at Missoula, Montana, 1963
- ItemStruc005630 - Northern Pacific Engineering Drawing, Roundhouse and Machine Shop at Missoula, Montana, 1963
- ItemStruc005642 - Northern Pacific Engineering Drawing, Caboose Service Facilities at Missoula, Montana, 1959
- ItemStruc005643 - Northern Pacific Engineering Drawing, Caboose Service Facilities at Missoula, Montana, 1966
- ItemStruc005645 - Northern Pacific Engineering Drawing, Pump House at Missoula, Montana, 1967
- ItemStruc005649 - Northern Pacific Engineering Drawing, Car Shop, One Spot at Missoula, Montana, undated
- 801 more...