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
- 459 more...
- ItemStruc005420 - Northern Pacific Engineering Drawing, , 1945
- ItemStruc005421 - Northern Pacific Engineering Drawing, Diesel Oil Facilities at Lester, Washington, 1946
- ItemStruc005423 - Northern Pacific Engineering Drawing, Water Tank, 100,000 Gallon at Industrial Site at Wheeler, Washington, 1956
- ItemStruc005442 - Northern Pacific Engineering Drawing, , undated
- ItemStruc005450 - Northern Pacific Engineering Drawing, Unnamed Structure at Elma, Washington, 1938
- ItemStruc005451 - Northern Pacific Engineering Drawing, Unnamed Structure at Elma, Washington, 1936
- ItemStruc005452 - Northern Pacific Engineering Drawing, Unnamed Structure at Elma, Washington, 1938
- ItemStruc005482 - Northern Pacific Engineering Drawing, Steam Lines at Portland, Oregon, 1964
- ItemStruc005498 - Northern Pacific Engineering Drawing, Garage, Metal at Pasco, Washington, 1983
- 843 more...