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 3007 - Track
- 77 more...
- ItemBB017714 - Northern Pacific Engineering Drawing: Foundation Details, Track Scale, Auburn, Washington, undated
- ItemBB017715 - Northern Pacific Engineering Drawing: Steel Details, Track Scale, Auburn, Washington, undated
- ItemBB017716 - Northern Pacific Engineering Drawing: Steel Details, Track Scale, Auburn, Washington, undated
- ItemBB017717 - Northern Pacific Engineering Drawing: Details of Weighbridge, Track Scale, Auburn, Washington, undated
- ItemBB017718 - Northern Pacific Engineering Drawing: Detail of Scale House, Track Scale, Auburn, Washington, undated
- ItemBB017880 - Northern Pacific Engineering Drawing: Proposed Extension - Culvert, Culvert West of Toston, West of Toston, Montana, 1945
- ItemBB018218 - Northern Pacific Engineering Drawing: Detail of Retaining Wall, Wall for Grade Separation Spokane, Spokane, Washington, undated
- ItemBB018219 - Northern Pacific Engineering Drawing: Detail of Retaining Wall, Wall for Grade Separation Spokane, Spokane, Washington, undated
- ItemBB018220 - Northern Pacific Engineering Drawing: Elevation South Retaining Wall, Wall for Grade Separation Spokane, Spokane, Washington, undated
- 242 more...