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
- 7277 more...
- ItemBB029982 - Northern Pacific Engineering Drawing: Walk Details and Bill of Material, Bridge 36 - Pattison Lake, South of Kyro, Washington, undated
- ItemBB029983 - Northern Pacific Engineering Drawing: 30 Foot Prestressed Concrete, Bridge 36 - Pattison Lake, South of Kyro, Washington, undated
- ItemBB029984 - Northern Pacific Engineering Drawing: Profile at Bridge 31, Bridge 36 - Pattison Lake, South of Kyro, Washington, undated
- ItemBB029986 - Northern Pacific Engineering Drawing: Bent and Abutment Details, Bridge 27 - Salmon Creek, South of Auburn, Washington, undated
- ItemBB029987 - Northern Pacific Engineering Drawing: Precast Concrete Details, Bridge 27 - Salmon Creek, South of Auburn, Washington, undated
- ItemBB029988 - Northern Pacific Engineering Drawing: 28 Foot Prestressed Concrete, Bridge 27 - Salmon Creek, South of Auburn, Washington, undated
- ItemBB029989 - Northern Pacific Engineering Drawing: Walk Details and Bill of Material, Bridge 27 - Salmon Creek, South of Auburn, Washington, undated
- ItemBB029990 - Northern Pacific Engineering Drawing: Pile Driving Records, Bridge 27 - Salmon Creek, South of Auburn, Washington, undated
- ItemBB029992 - Northern Pacific Engineering Drawing: Planning Layout and Anchoring Plan, Bridge 42 - 3rd Street, Tenino, Washington, undated
- 442 more...