Railroad Archives Online
- FondsD0027 - Timothy Miller Collection
- Cyfres004 - Northern Pacific Railroad Company
- Is-gyfres009 - Engineering Records
- 008 - Physical plant drawing
- 003 - Maintenance Facilities
- 180 mwy...
- EitemStruc000519 - Northern Pacific Engineering Drawing, Unnamed Structure at Spokane, Washington, 1984
- EitemStruc000520 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1985
- EitemStruc000521 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1985
- EitemStruc000522 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1984
- EitemStruc000523 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1984
- EitemStruc000524 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1985
- EitemStruc000525 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1985
- EitemStruc000526 - Northern Pacific Engineering Drawing, at Spokane, Washington, 1984
- EitemStruc000527 - Northern Pacific Engineering Drawing, at Spokane, Washington, undated
- 1122 mwy...