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
- 6307 more...
- ItemBB028056 - Northern Pacific Engineering Drawing: Bent Details, Bridge 87+4250 - Buland Drive, Castle Rock, Washington, undated
- ItemBB028057 - Northern Pacific Engineering Drawing: Treated Timber Detail, Bridge 87+4250 - Buland Drive, Castle Rock, Washington, undated
- ItemBB028058 - Northern Pacific Engineering Drawing: Bill of Material/Notes, Bridge 87+4250 - Buland Drive, Castle Rock, Washington, undated
- ItemBB028059 - Northern Pacific Engineering Drawing: General Plan, Bridge 105 - Kalama River, South of Longview Junction, Washington, 1899
- ItemBB028060 - Northern Pacific Engineering Drawing: General Plan, Bridge 105 - Kalama River, South of Longview Junction, Washington, 1899
- ItemBB028061 - Northern Pacific Engineering Drawing: Plan Piers/Abutment, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- ItemBB028062 - Northern Pacific Engineering Drawing: 60 Foot Deck Plate Girder (DPG) and Steel Span, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- ItemBB028063 - Northern Pacific Engineering Drawing: Main Line, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- ItemBB028064 - Northern Pacific Engineering Drawing: Detail Pier/Abutment, Bridge 105 - Kalama River, South of Longview Junction, Washington, undated
- 1412 more...