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
- 1573 more...
- ItemBB015980 - Northern Pacific Engineering Drawing: Shop Plan - Stairway, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015981 - Northern Pacific Engineering Drawing: Shop Plan - Stairway, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015982 - Northern Pacific Engineering Drawing: Shop Plan - Break Rail, Bridge 0.59 - Cowlitz River, Longview Junction, Washington, undated
- ItemBB015983 - Northern Pacific Engineering Drawing: Abutments, Bridge 24.1 - Highway, Woodinville, Washington, undated
- ItemBB015984 - Northern Pacific Engineering Drawing: Abutment/Retaining Wall Details, Bridge 24.1 - Highway, Woodinville, Washington, undated
- ItemBB015985 - Northern Pacific Engineering Drawing: Pier 2/Bearings, Bridge 24.1 - Highway, Woodinville, Washington, undated
- ItemBB015986 - Northern Pacific Engineering Drawing: Steel Spans, Bridge 24.1 - Highway, Woodinville, Washington, undated
- ItemBB015987 - Northern Pacific Engineering Drawing: Deck Details, Bridge 24.1 - Highway, Woodinville, Washington, undated
- ItemBB015988 - Northern Pacific Engineering Drawing: Drainage, Bridge 24.1 - Highway, Woodinville, Washington, undated
- 6146 more...