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
- 1064 more...
- ItemStruc007886 - Northern Pacific Engineering Drawing, Diesel Fueling Facilities at Pasco, Washington, 1976
- ItemStruc008348 - Northern Pacific Engineering Drawing, Oil Separator at Centralia, Washington, 1953
- ItemStruc008349 - Northern Pacific Engineering Drawing, Oil Separator at Centralia, Washington, 1955
- ItemStruc008350 - Northern Pacific Engineering Drawing, Oil Separator at Centralia, Washington, 1955
- ItemStruc008351 - Northern Pacific Engineering Drawing, Oil Separator at Centralia, Washington, 1953
- ItemStruc008352 - Northern Pacific Engineering Drawing, Oil House at Centralia, Washington, 1912
- ItemStruc008353 - Northern Pacific Engineering Drawing, Oil House at Centralia, Washington, 1912
- ItemStruc008354 - Northern Pacific Engineering Drawing, Store House at Centralia, Washington, 1912
- ItemStruc008355 - Northern Pacific Engineering Drawing, Store House at Centralia, Washington, 1960
- 238 more...