Railroad Archives Online
- ArkivD0027 - Timothy Miller Collection
- Serie004 - Northern Pacific Railroad Company
- Underserie009 - Engineering Records
- 008 - Physical plant drawing
- 007 - Track
- 305 mer...
- ObjektBB035893 - Northern Pacific Engineering Drawing: 72 Foot Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ObjektBB035894 - Northern Pacific Engineering Drawing: 72 Foot Track Scale, Electronic Track Scale, Pasco, Washington, undated
- ObjektBB037186 - Northern Pacific Engineering Drawing: Shop Plan - Motor Control, Scale, Longview, Washington, undated
- ObjektBB037187 - Northern Pacific Engineering Drawing: Shop Plan - Motor Control, Scale, Longview, Washington, undated
- ObjektBB037188 - Northern Pacific Engineering Drawing: Shop Plan - Remote Relay, Scale, Longview, Washington, undated
- ObjektBB037189 - Northern Pacific Engineering Drawing: Rail Miter Details, Scale, Longview, Washington, undated
- ObjektBB037190 - Northern Pacific Engineering Drawing: Proposed Location, Scale, Longview, Washington, undated
- ObjektBB037191 - Northern Pacific Engineering Drawing: Pit Plan Pile Layout, Scale, Longview, Washington, undated
- ObjektBB037193 - Northern Pacific Engineering Drawing: Walk Down Pit Entry, Scale, Longview, Washington, undated
- 14 mer...