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
- 52 more...
- ItemStruc007225 - Northern Pacific Engineering Drawing, Load Adjuster and Car Puller at Pasco, Washington, 1959
- ItemStruc008422 - Northern Pacific Engineering Drawing, Scale House at Kanaskat, Washington, 1958
- ItemStruc008423 - Northern Pacific Engineering Drawing, Scale House at Kanaskat, Washington, 1958
- ItemStruc008425 - Northern Pacific Engineering Drawing, General Layout at Kanaskat, Washington, 1958
- ItemStruc008426 - Northern Pacific Engineering Drawing, Project Location at Green River, Washington, 1958
- ItemStruc009532 - Northern Pacific Engineering Drawing, Yard Air Facilities at Missoula, Montana, 1974
- ItemBB014534 - Northern Pacific Engineering Drawing: 10 Foot Arch, Culvert near Clarks Fork, Eddy, Montana, 1925
- ItemBB014874 - Northern Pacific Engineering Drawing: Proposed Syphon, Syphon West of Carney, Carney, Montana, undated
- ItemBB014875 - Northern Pacific Engineering Drawing: 15 Foot Beam Bridge, Syphon West of Carney, Carney, Montana, undated
- 267 more...