Railroad Archives Online
- D0027 - Timothy Miller Collection
- Ro`yxat004 - Northern Pacific Railroad Company
- Ro`yxat-osti009 - Engineering Records
- 008 - Physical plant drawing
- 007 - Track
- 207 more...
- BB032567 - Northern Pacific Engineering Drawing: Shop Plan - Installation Detail, Track Scale, Centralia, Washington, undated
- BB032568 - Northern Pacific Engineering Drawing: Shop Plan - Installation Detail, Track Scale, Centralia, Washington, undated
- BB032569 - Northern Pacific Engineering Drawing: Shop Plan - Field Cables, Track Scale, Centralia, Washington, undated
- BB032570 - Northern Pacific Engineering Drawing: Shop Plan - Field Cables, Track Scale, Centralia, Washington, undated
- BB032571 - Northern Pacific Engineering Drawing: Shop Plan - Pit Modifications, Track Scale, Centralia, Washington, undated
- BB032572 - Northern Pacific Engineering Drawing: General Installation Notes, Track Scale, Centralia, Washington, undated
- BB032573 - Northern Pacific Engineering Drawing: General Plan, Track Scale, Spokane, Washington, undated
- BB032574 - Northern Pacific Engineering Drawing: Approach Slab Details, Track Scale, Spokane, Washington, undated
- BB032575 - Northern Pacific Engineering Drawing: Pit Details, Track Scale, Spokane, Washington, undated
- 112 more...