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
- 6276 more...
- ItemBB028025 - Northern Pacific Engineering Drawing: General/Masonry Plan, Bridge 70 - Olequa Creek, South of Napavine, Washington, 1921
- ItemBB028026 - Northern Pacific Engineering Drawing: Masonry Plan, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028027 - Northern Pacific Engineering Drawing: Solid of Footings Pier, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028028 - Northern Pacific Engineering Drawing: Detail for Widen Bridge, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028029 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 70 - Olequa Creek, South of Napavine, Washington, 1961
- ItemBB028030 - Northern Pacific Engineering Drawing: Tie Plan, Bridge 70 - Olequa Creek, South of Napavine, Washington, 1959
- ItemBB028031 - Northern Pacific Engineering Drawing: Shop Plan - Deck Plate Girder (DPG) Spans, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028032 - Northern Pacific Engineering Drawing: Shop Plan - Deck Plate Girder (DPG) Spans, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- ItemBB028033 - Northern Pacific Engineering Drawing: Shop Plan - Deck Plate Girder (DPG) Spans, Bridge 70 - Olequa Creek, South of Napavine, Washington, undated
- 1443 more...