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
- 200 more...
- ItemBB032560 - Northern Pacific Engineering Drawing: Weighbridge and Approach Beams, Track Scale, Centralia, Washington, undated
- ItemBB032561 - Northern Pacific Engineering Drawing: Shop Plan - General Arrangement, Track Scale, Centralia, Washington, undated
- ItemBB032562 - Northern Pacific Engineering Drawing: Shop Plan - Pit Modifications, Track Scale, Centralia, Washington, undated
- ItemBB032563 - Northern Pacific Engineering Drawing: Shop Plan - Steel Detail/81, Track Scale, Centralia, Washington, undated
- ItemBB032564 - Northern Pacific Engineering Drawing: Shop Plan - Bill/Steel, Track Scale, Centralia, Washington, undated
- ItemBB032565 - Northern Pacific Engineering Drawing: Shop Plan - Load Cell, Track Scale, Centralia, Washington, undated
- ItemBB032566 - Northern Pacific Engineering Drawing: Trak, Wheel Details, Track Scale, Centralia, Washington, undated
- ItemBB032567 - Northern Pacific Engineering Drawing: Shop Plan - Installation Detail, Track Scale, Centralia, Washington, undated
- ItemBB032568 - Northern Pacific Engineering Drawing: Shop Plan - Installation Detail, Track Scale, Centralia, Washington, undated
- 119 more...