Railroad Archives Online
- CollectionD0027 - Timothy Miller Collection
- Series003 - Great Northern Railway Company (U.S.)
- Subseries Level 1009 - Engineering Records
- Subseries Level 2008 - Physical plant drawing
- Subseries Level 3001 - Bridges
- 2436 more...
- ItemBB024989 - Great Northern Engineering Drawing: Channel Soundings, Bridge 12 - Swinomish Slough, West of Whitmarsh, Washington, undated
- ItemBB024990 - Great Northern Engineering Drawing: Channel Soundings, Bridge 12 - Swinomish Slough, West of Whitmarsh, Washington, undated
- ItemBB024991 - Great Northern Engineering Drawing: Soundings Pier 1, Bridge 12 - Swinomish Slough, West of Whitmarsh, Washington, undated
- ItemBB024992 - Great Northern Engineering Drawing: Soundings Pier 2, Bridge 12 - Swinomish Slough, West of Whitmarsh, Washington, undated
- ItemBB024996 - Great Northern Engineering Drawing: General Plan, Bridge 19, North of Silvana, Washington, 1951
- ItemBB024998 - Great Northern Engineering Drawing: General Plan, Bridge 7.2 - Overhead Highway, West of Whitmarsh, Washington, 1951
- ItemBB025007 - Great Northern Engineering Drawing: General Plan - Bill of Material, Bridge 37.9, South of Kandra, California, 1937
- ItemBB025008 - Great Northern Engineering Drawing: General Plan, Bridge 37.9, South of Kandra, California, 1953
- ItemBB025009 - Great Northern Engineering Drawing: Masonry and Deck Plan, Bridge 37.9, South of Kandra, California, undated
- 1556 more...