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 3001 - Bridges
- ItemStruc005710 - Northern Pacific Engineering Drawing, Docks at South Bend, Washington, undated
- ItemStruc006670 - Northern Pacific Engineering Drawing, Docks at Tacoma, Washington, 1969
- ItemStruc006671 - Northern Pacific Engineering Drawing, Docks at Tacoma, Washington, 1969
- ItemBB014215 - Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
- ItemBB014216 - Northern Pacific Engineering Drawing: General Plan, Bridge 164 - Gallatin River, West of Logan, Montana, undated
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