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
- 1098 more...
- ItemStruc006820 - Northern Pacific Engineering Drawing, Depot at Steilacoom, Washington, undated
- ItemStruc006847 - Northern Pacific Engineering Drawing, Depot at Helena, Montana, 1939
- ItemStruc006885 - Northern Pacific Engineering Drawing, Depot at Steilacoom, Washington, undated
- ItemStruc006886 - Northern Pacific Engineering Drawing, Depot at Steilacoom, Washington, undated
- ItemStruc006887 - Northern Pacific Engineering Drawing, Depot at Steilacoom, Washington, 1914
- ItemStruc006888 - Northern Pacific Engineering Drawing, Depot at Steilacoom, Washington, undated
- ItemStruc006889 - Northern Pacific Engineering Drawing, Depot at Steilacoom, Washington, 1913
- ItemStruc006890 - Northern Pacific Engineering Drawing, Depot at Steilacoom, Washington, 1913
- ItemStruc006891 - Northern Pacific Engineering Drawing, Depot at Steilacoom, Washington, 1913
- 555 more...