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 3002 - Depots and Freighthouses
- 1573 more...
- ItemStruc008647 - Northern Pacific Engineering Drawing, Freight House at Billings, Montana, undated
- ItemStruc008648 - Northern Pacific Engineering Drawing, Freight House at Missoula, Montana, 1948
- ItemStruc008649 - Northern Pacific Engineering Drawing, Freight House at Missoula, Montana, 1947
- ItemStruc008650 - Northern Pacific Engineering Drawing, Freight House at Missoula, Montana, 1948
- ItemStruc008651 - Northern Pacific Engineering Drawing, Freight House at Missoula, Montana, 1948
- ItemStruc008652 - Northern Pacific Engineering Drawing, Freight House at Missoula, Montana, 1948
- ItemStruc008653 - Northern Pacific Engineering Drawing, Freight House at Missoula, Montana, 1948
- ItemStruc008654 - Northern Pacific Engineering Drawing, Freight House at Missoula, Montana, 1948
- ItemStruc008729 - Northern Pacific Engineering Drawing, Depot (Butler) at Grand Forks, North Dakota, undated
- 80 more...